diff --git a/.changes/unreleased/Fixed-20250910-180935.yaml b/.changes/unreleased/Fixed-20250910-180935.yaml
new file mode 100644
index 000000000..9e0a90cc8
--- /dev/null
+++ b/.changes/unreleased/Fixed-20250910-180935.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: Fix saving notification preferences in user's profile
+time: 2025-09-10T18:09:35.525979715+02:00
+custom:
+    Issue: ""
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommand.php b/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommand.php
new file mode 100644
index 000000000..f0751cb58
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommand.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Action\User\UpdateProfile;
+
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Notification\NotificationFlagManager;
+use Chill\MainBundle\Validation\Constraint\PhonenumberConstraint;
+use libphonenumber\PhoneNumber;
+
+final class UpdateProfileCommand
+{
+    public array $notificationFlags = [];
+
+    public function __construct(
+        #[PhonenumberConstraint]
+        public ?PhoneNumber $phonenumber,
+    ) {}
+
+    public static function create(User $user, NotificationFlagManager $flagManager): self
+    {
+        $updateProfileCommand = new self($user->getPhonenumber());
+
+        foreach ($flagManager->getAllNotificationFlagProviders() as $provider) {
+            $updateProfileCommand->setNotificationFlag(
+                $provider->getFlag(),
+                User::NOTIF_FLAG_IMMEDIATE_EMAIL,
+                $user->isNotificationSendImmediately($provider->getFlag())
+            );
+            $updateProfileCommand->setNotificationFlag(
+                $provider->getFlag(),
+                User::NOTIF_FLAG_DAILY_DIGEST,
+                $user->isNotificationDailyDigest($provider->getFlag())
+            );
+        }
+
+        return $updateProfileCommand;
+    }
+
+    /**
+     * @param User::NOTIF_FLAG_IMMEDIATE_EMAIL|User::NOTIF_FLAG_DAILY_DIGEST $kind
+     */
+    private function setNotificationFlag(string $type, string $kind, bool $value): void
+    {
+        if (!array_key_exists($type, $this->notificationFlags)) {
+            $this->notificationFlags[$type] = ['immediate_email' => true, 'daily_digest' => false];
+        }
+
+        $k = match ($kind) {
+            User::NOTIF_FLAG_IMMEDIATE_EMAIL => 'immediate_email',
+            User::NOTIF_FLAG_DAILY_DIGEST => 'daily_digest',
+        };
+
+        $this->notificationFlags[$type][$k] = $value;
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommandHandler.php b/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommandHandler.php
new file mode 100644
index 000000000..4c46e686e
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Action/User/UpdateProfile/UpdateProfileCommandHandler.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Action\User\UpdateProfile;
+
+use Chill\MainBundle\Entity\User;
+
+final readonly class UpdateProfileCommandHandler
+{
+    public function updateProfile(User $user, UpdateProfileCommand $command): void
+    {
+        $user->setPhonenumber($command->phonenumber);
+
+        foreach ($command->notificationFlags as $flag => $values) {
+            $user->setNotificationImmediately($flag, $values['immediate_email']);
+            $user->setNotificationDailyDigest($flag, $values['daily_digest']);
+        }
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Controller/UserProfileController.php b/src/Bundle/ChillMainBundle/Controller/UserProfileController.php
deleted file mode 100644
index b022a2b60..000000000
--- a/src/Bundle/ChillMainBundle/Controller/UserProfileController.php
+++ /dev/null
@@ -1,63 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/*
- * Chill is a software for social workers
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-namespace Chill\MainBundle\Controller;
-
-use Chill\MainBundle\Form\UserProfileType;
-use Chill\MainBundle\Security\ChillSecurity;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
-use Symfony\Contracts\Translation\TranslatorInterface;
-use Symfony\Component\Routing\Annotation\Route;
-
-final class UserProfileController extends AbstractController
-{
-    public function __construct(
-        private readonly TranslatorInterface $translator,
-        private readonly ChillSecurity $security,
-        private readonly \Doctrine\Persistence\ManagerRegistry $managerRegistry,
-    ) {}
-
-    /**
-     * User profile that allows editing of phonenumber and visualization of certain data.
-     */
-    #[Route(path: '/{_locale}/main/user/my-profile', name: 'chill_main_user_profile')]
-    public function __invoke(Request $request)
-    {
-        if (!$this->security->isGranted('ROLE_USER')) {
-            throw new AccessDeniedHttpException();
-        }
-
-        $user = $this->security->getUser();
-        $editForm = $this->createForm(UserProfileType::class, $user);
-
-        $editForm->get('notificationFlags')->setData($user->getNotificationFlags());
-
-        $editForm->handleRequest($request);
-
-        if ($editForm->isSubmitted() && $editForm->isValid()) {
-            $notificationFlagsData = $editForm->get('notificationFlags')->getData();
-            $user->setNotificationFlags($notificationFlagsData);
-
-            $em = $this->managerRegistry->getManager();
-            $em->flush();
-            $this->addFlash('success', $this->translator->trans('user.profile.Profile successfully updated!'));
-
-            return $this->redirectToRoute('chill_main_user_profile');
-        }
-
-        return $this->render('@ChillMain/User/profile.html.twig', [
-            'user' => $user,
-            'form' => $editForm->createView(),
-        ]);
-    }
-}
diff --git a/src/Bundle/ChillMainBundle/Controller/UserUpdateProfileController.php b/src/Bundle/ChillMainBundle/Controller/UserUpdateProfileController.php
new file mode 100644
index 000000000..b23c201f0
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Controller/UserUpdateProfileController.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Controller;
+
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommand;
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommandHandler;
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Form\UpdateProfileType;
+use Chill\MainBundle\Notification\NotificationFlagManager;
+use Chill\MainBundle\Security\ChillSecurity;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Form\FormFactoryInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Session\Session;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Symfony\Component\Routing\Annotation\Route;
+use Twig\Environment;
+
+final readonly class UserUpdateProfileController
+{
+    public function __construct(
+        private TranslatorInterface $translator,
+        private ChillSecurity $security,
+        private EntityManagerInterface $entityManager,
+        private NotificationFlagManager $notificationFlagManager,
+        private FormFactoryInterface $formFactory,
+        private UrlGeneratorInterface $urlGenerator,
+        private Environment $twig,
+        private UpdateProfileCommandHandler $updateProfileCommandHandler,
+    ) {}
+
+    /**
+     * User profile that allows editing of phonenumber and visualization of certain data.
+     */
+    #[Route(path: '/{_locale}/main/user/my-profile', name: 'chill_main_user_profile')]
+    public function __invoke(Request $request, Session $session)
+    {
+        if (!$this->security->isGranted('ROLE_USER')) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $user = $this->security->getUser();
+
+        $command = UpdateProfileCommand::create($user, $this->notificationFlagManager);
+        $editForm = $this->formFactory->create(UpdateProfileType::class, $command);
+
+        $editForm->handleRequest($request);
+
+        if ($editForm->isSubmitted() && $editForm->isValid()) {
+            $this->updateProfileCommandHandler->updateProfile($user, $command);
+            $this->entityManager->flush();
+            $session->getFlashBag()->add('success', $this->translator->trans('user.profile.Profile successfully updated!'));
+
+            return new RedirectResponse($this->urlGenerator->generate('chill_main_user_profile'));
+        }
+
+        return new Response($this->twig->render('@ChillMain/User/profile.html.twig', [
+            'user' => $user,
+            'form' => $editForm->createView(),
+        ]));
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Entity/User.php b/src/Bundle/ChillMainBundle/Entity/User.php
index 791391659..70b032238 100644
--- a/src/Bundle/ChillMainBundle/Entity/User.php
+++ b/src/Bundle/ChillMainBundle/Entity/User.php
@@ -652,42 +652,66 @@ class User implements UserInterface, \Stringable, PasswordAuthenticatedUserInter
         return true;
     }
 
-    public function getNotificationFlags(): array
+    private function getNotificationFlagData(string $flag): array
     {
-        return $this->notificationFlags;
-    }
-
-    public function setNotificationFlags(array $notificationFlags)
-    {
-        $this->notificationFlags = $notificationFlags;
-    }
-
-    public function getNotificationFlagData(string $flag): array
-    {
-        return $this->notificationFlags[$flag] ?? [];
-    }
-
-    public function setNotificationFlagData(string $flag, array $data): void
-    {
-        $this->notificationFlags[$flag] = $data;
+        return $this->notificationFlags[$flag] ?? [self::NOTIF_FLAG_IMMEDIATE_EMAIL];
     }
 
     public function isNotificationSendImmediately(string $type): bool
     {
-        if ([] === $this->getNotificationFlagData($type) || in_array(User::NOTIF_FLAG_IMMEDIATE_EMAIL, $this->getNotificationFlagData($type), true)) {
-            return true;
+        return $this->isNotificationForElement($type, self::NOTIF_FLAG_IMMEDIATE_EMAIL);
+    }
+
+    public function setNotificationImmediately(string $type, bool $active): void
+    {
+        $this->setNotificationFlagElement($type, $active, self::NOTIF_FLAG_IMMEDIATE_EMAIL);
+    }
+
+    public function setNotificationDailyDigest(string $type, bool $active): void
+    {
+        $this->setNotificationFlagElement($type, $active, self::NOTIF_FLAG_DAILY_DIGEST);
+    }
+
+    /**
+     * @param self::NOTIF_FLAG_IMMEDIATE_EMAIL|self::NOTIF_FLAG_DAILY_DIGEST $kind
+     */
+    private function setNotificationFlagElement(string $type, bool $active, string $kind): void
+    {
+        $notificationFlags = [...$this->notificationFlags];
+        $changed = false;
+
+        if (!isset($notificationFlags[$type])) {
+            $notificationFlags[$type] = [self::NOTIF_FLAG_IMMEDIATE_EMAIL];
+            $changed = true;
         }
 
-        return false;
+        if ($active) {
+            if (!in_array($kind, $notificationFlags[$type], true)) {
+                $notificationFlags[$type] = [...$notificationFlags[$type], $kind];
+                $changed = true;
+            }
+        } else {
+            if (in_array($kind, $notificationFlags[$type], true)) {
+                $notificationFlags[$type] = array_values(
+                    array_filter($notificationFlags[$type], static fn ($k) => $k !== $kind)
+                );
+                $changed = true;
+            }
+        }
+
+        if ($changed) {
+            $this->notificationFlags = [...$notificationFlags];
+        }
+    }
+
+    private function isNotificationForElement(string $type, string $kind): bool
+    {
+        return in_array($kind, $this->getNotificationFlagData($type), true);
     }
 
     public function isNotificationDailyDigest(string $type): bool
     {
-        if (in_array(User::NOTIF_FLAG_DAILY_DIGEST, $this->getNotificationFlagData($type), true)) {
-            return true;
-        }
-
-        return false;
+        return $this->isNotificationForElement($type, self::NOTIF_FLAG_DAILY_DIGEST);
     }
 
     public function getLocale(): string
diff --git a/src/Bundle/ChillMainBundle/Form/DataMapper/NotificationFlagDataMapper.php b/src/Bundle/ChillMainBundle/Form/DataMapper/NotificationFlagDataMapper.php
deleted file mode 100644
index d904ed5b5..000000000
--- a/src/Bundle/ChillMainBundle/Form/DataMapper/NotificationFlagDataMapper.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-/*
- * Chill is a software for social workers
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-namespace Chill\MainBundle\Form\DataMapper;
-
-use Chill\MainBundle\Entity\User;
-use Symfony\Component\Form\DataMapperInterface;
-
-final readonly class NotificationFlagDataMapper implements DataMapperInterface
-{
-    public function __construct(private array $notificationFlagProviders) {}
-
-    public function mapDataToForms($viewData, $forms): void
-    {
-        if (null === $viewData) {
-            $viewData = [];
-        }
-
-        $formsArray = iterator_to_array($forms);
-
-        foreach ($this->notificationFlagProviders as $flagProvider) {
-            $flag = $flagProvider->getFlag();
-
-            if (isset($formsArray[$flag])) {
-                $flagForm = $formsArray[$flag];
-
-                $immediateEmailChecked = in_array(User::NOTIF_FLAG_IMMEDIATE_EMAIL, $viewData[$flag] ?? [], true)
-                    || !array_key_exists($flag, $viewData);
-                $dailyEmailChecked = in_array(User::NOTIF_FLAG_DAILY_DIGEST, $viewData[$flag] ?? [], true);
-
-                if ($flagForm->has('immediate_email')) {
-                    $flagForm->get('immediate_email')->setData($immediateEmailChecked);
-                }
-                if ($flagForm->has('daily_email')) {
-                    $flagForm->get('daily_email')->setData($dailyEmailChecked);
-                }
-            }
-        }
-    }
-
-    public function mapFormsToData($forms, &$viewData): void
-    {
-        $formsArray = iterator_to_array($forms);
-        $viewData = [];
-
-        foreach ($this->notificationFlagProviders as $flagProvider) {
-            $flag = $flagProvider->getFlag();
-
-            if (isset($formsArray[$flag])) {
-                $flagForm = $formsArray[$flag];
-                $viewData[$flag] = [];
-
-                if (true === $flagForm['immediate_email']->getData()) {
-                    $viewData[$flag][] = User::NOTIF_FLAG_IMMEDIATE_EMAIL;
-                }
-
-                if (true === $flagForm['daily_email']->getData()) {
-                    $viewData[$flag][] = User::NOTIF_FLAG_DAILY_DIGEST;
-                }
-
-                if ([] === $viewData[$flag]) {
-                    $viewData[$flag][] = User::NOTIF_FLAG_IMMEDIATE_EMAIL;
-                }
-            }
-        }
-    }
-}
diff --git a/src/Bundle/ChillMainBundle/Form/Type/NotificationFlagsType.php b/src/Bundle/ChillMainBundle/Form/Type/NotificationFlagsType.php
index 4535a4815..b9e15f5d9 100644
--- a/src/Bundle/ChillMainBundle/Form/Type/NotificationFlagsType.php
+++ b/src/Bundle/ChillMainBundle/Form/Type/NotificationFlagsType.php
@@ -11,11 +11,9 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Form\Type;
 
-use Chill\MainBundle\Form\DataMapper\NotificationFlagDataMapper;
 use Chill\MainBundle\Notification\NotificationFlagManager;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
-use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
@@ -30,27 +28,24 @@ class NotificationFlagsType extends AbstractType
 
     public function buildForm(FormBuilderInterface $builder, array $options): void
     {
-        $builder->setDataMapper(new NotificationFlagDataMapper($this->notificationFlagProviders));
-
         foreach ($this->notificationFlagProviders as $flagProvider) {
             $flag = $flagProvider->getFlag();
-            $builder->add($flag, FormType::class, [
+            $flagBuilder = $builder->create($flag, options: [
                 'label' => $flagProvider->getLabel(),
-                'required' => false,
+                'compound' => true,
             ]);
 
-            $builder->get($flag)
+            $flagBuilder
                 ->add('immediate_email', CheckboxType::class, [
                     'label' => false,
                     'required' => false,
-                    'mapped' => false,
                 ])
-                ->add('daily_email', CheckboxType::class, [
+                ->add('daily_digest', CheckboxType::class, [
                     'label' => false,
                     'required' => false,
-                    'mapped' => false,
                 ])
             ;
+            $builder->add($flagBuilder);
         }
     }
 
@@ -58,6 +53,7 @@ class NotificationFlagsType extends AbstractType
     {
         $resolver->setDefaults([
             'data_class' => null,
+            'compound' => true,
         ]);
     }
 }
diff --git a/src/Bundle/ChillMainBundle/Form/UserProfileType.php b/src/Bundle/ChillMainBundle/Form/UpdateProfileType.php
similarity index 75%
rename from src/Bundle/ChillMainBundle/Form/UserProfileType.php
rename to src/Bundle/ChillMainBundle/Form/UpdateProfileType.php
index f9fa65991..6aa8f0943 100644
--- a/src/Bundle/ChillMainBundle/Form/UserProfileType.php
+++ b/src/Bundle/ChillMainBundle/Form/UpdateProfileType.php
@@ -11,31 +11,29 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Form;
 
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommand;
 use Chill\MainBundle\Form\Type\ChillPhoneNumberType;
 use Chill\MainBundle\Form\Type\NotificationFlagsType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
-class UserProfileType extends AbstractType
+class UpdateProfileType extends AbstractType
 {
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder
             ->add('phonenumber', ChillPhoneNumberType::class, [
                 'required' => false,
             ])
-            ->add('notificationFlags', NotificationFlagsType::class, [
-                'label' => false,
-                'mapped' => false,
-            ])
+            ->add('notificationFlags', NotificationFlagsType::class)
         ;
     }
 
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
-            'data_class' => \Chill\MainBundle\Entity\User::class,
+            'data_class' => UpdateProfileCommand::class,
         ]);
     }
 }
diff --git a/src/Bundle/ChillMainBundle/Resources/views/User/profile.html.twig b/src/Bundle/ChillMainBundle/Resources/views/User/profile.html.twig
index d25f6645f..0b268af03 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/User/profile.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/User/profile.html.twig
@@ -64,7 +64,7 @@
                             {{ form_widget(flag.immediate_email, {'label_attr': { 'class': 'checkbox-inline checkbox-switch'}}) }}
                         </td>
                         <td class="text-center">
-                            {{ form_widget(flag.daily_email, {'label_attr': { 'class': 'checkbox-inline checkbox-switch'}}) }}
+                            {{ form_widget(flag.daily_digest, {'label_attr': { 'class': 'checkbox-inline checkbox-switch'}}) }}
                         </td>
                     </tr>
                 {% endfor %}
diff --git a/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandHandlerTest.php b/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandHandlerTest.php
new file mode 100644
index 000000000..e21ebbdb2
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandHandlerTest.php
@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Action\User\UpdateProfile;
+
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommand;
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommandHandler;
+use Chill\MainBundle\Entity\User;
+use libphonenumber\PhoneNumber;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+final class UpdateProfileCommandHandlerTest extends TestCase
+{
+    public function testUpdateProfileWithNullPhoneAndFlags(): void
+    {
+        $user = new User();
+
+        // Pre-set some flags to opposite values to check they are updated
+        $flag = 'tickets';
+        $user->setNotificationImmediately($flag, true);
+        $user->setNotificationDailyDigest($flag, true);
+
+        $command = new UpdateProfileCommand(null);
+        $command->notificationFlags = [
+            $flag => [
+                'immediate_email' => false,
+                'daily_digest' => false,
+            ],
+        ];
+
+        (new UpdateProfileCommandHandler())->updateProfile($user, $command);
+
+        self::assertNull($user->getPhonenumber(), 'Phone should be set to null');
+        self::assertFalse($user->isNotificationSendImmediately($flag));
+        self::assertFalse($user->isNotificationDailyDigest($flag));
+    }
+
+    public function testUpdateProfileWithPhoneAndMultipleFlags(): void
+    {
+        $user = new User();
+
+        $phone = new PhoneNumber();
+        $phone->setCountryCode(33); // France
+        $phone->setNationalNumber(612345678);
+
+        $command = new UpdateProfileCommand($phone);
+        $command->notificationFlags = [
+            'reports' => [
+                'immediate_email' => true,
+                'daily_digest' => false,
+            ],
+            'activities' => [
+                'immediate_email' => false,
+                'daily_digest' => true,
+            ],
+        ];
+
+        (new UpdateProfileCommandHandler())->updateProfile($user, $command);
+
+        // Phone assigned
+        self::assertInstanceOf(PhoneNumber::class, $user->getPhonenumber());
+        self::assertSame(33, $user->getPhonenumber()->getCountryCode());
+        self::assertSame('612345678', (string) $user->getPhonenumber()->getNationalNumber());
+
+        // Flags applied
+        self::assertTrue($user->isNotificationSendImmediately('reports'));
+        self::assertFalse($user->isNotificationDailyDigest('reports'));
+
+        self::assertFalse($user->isNotificationSendImmediately('activities'));
+        self::assertTrue($user->isNotificationDailyDigest('activities'));
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandTest.php b/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandTest.php
new file mode 100644
index 000000000..570c5bb05
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Tests/Action/User/UpdateProfile/UpdateProfileCommandTest.php
@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Action\User\UpdateProfile;
+
+use Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommand;
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Notification\FlagProviders\NotificationFlagProviderInterface;
+use Chill\MainBundle\Notification\NotificationFlagManager;
+use libphonenumber\PhoneNumber;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Translation\TranslatableMessage;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+final class UpdateProfileCommandTest extends TestCase
+{
+    public function testCreateTransfersPhonenumberAndNotificationFlags(): void
+    {
+        $user = new User();
+
+        // set a phone number
+        $phone = new PhoneNumber();
+        $phone->setCountryCode(32); // Belgium
+        $phone->setNationalNumber(471234567);
+        $user->setPhonenumber($phone);
+
+        // configure notification flags on the user via helpers
+        $flagA = 'foo';
+        $flagB = 'bar';
+
+        // For tickets: immediate true, daily false
+        $user->setNotificationImmediately($flagA, true);
+        $user->setNotificationDailyDigest($flagA, false);
+
+        // For reports: immediate false, daily true
+        $user->setNotificationImmediately($flagB, false);
+        $user->setNotificationDailyDigest($flagB, true);
+
+        // a third flag not explicitly set to validate default behavior from User
+        $flagC = 'foobar'; // by default immediate-email is true, daily-digest is false per User::getNotificationFlagData
+
+        $manager = $this->createNotificationFlagManager([$flagA, $flagB, $flagC]);
+
+        $command = UpdateProfileCommand::create($user, $manager);
+
+        // phone number transferred
+        self::assertInstanceOf(PhoneNumber::class, $command->phonenumber);
+        self::assertSame($phone->getCountryCode(), $command->phonenumber->getCountryCode());
+        self::assertSame($phone->getNationalNumber(), $command->phonenumber->getNationalNumber());
+
+        // flags transferred consistently
+        self::assertArrayHasKey($flagA, $command->notificationFlags);
+        self::assertArrayHasKey($flagB, $command->notificationFlags);
+        self::assertArrayHasKey($flagC, $command->notificationFlags);
+
+        self::assertSame([
+            'immediate_email' => true,
+            'daily_digest' => false,
+        ], $command->notificationFlags[$flagA]);
+
+        self::assertSame([
+            'immediate_email' => false,
+            'daily_digest' => true,
+        ], $command->notificationFlags[$flagB]);
+
+        // default from User::getNotificationFlagData -> immediate true, daily false
+        self::assertSame([
+            'immediate_email' => true,
+            'daily_digest' => false,
+        ], $command->notificationFlags[$flagC]);
+    }
+
+    private function createNotificationFlagManager(array $flags): NotificationFlagManager
+    {
+        $providers = array_map(fn (string $flag) => new class ($flag) implements NotificationFlagProviderInterface {
+            public function __construct(private readonly string $flag) {}
+
+            public function getFlag(): string
+            {
+                return $this->flag;
+            }
+
+            public function getLabel(): TranslatableMessage
+            {
+                return new TranslatableMessage($this->flag);
+            }
+        }, $flags);
+
+        return new NotificationFlagManager($providers);
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Tests/Entity/NotificationTest.php b/src/Bundle/ChillMainBundle/Tests/Entity/NotificationTest.php
index e9e7ff760..20dd3d97c 100644
--- a/src/Bundle/ChillMainBundle/Tests/Entity/NotificationTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Entity/NotificationTest.php
@@ -96,11 +96,13 @@ final class NotificationTest extends KernelTestCase
         $this->assertTrue($user->isNotificationSendImmediately($notification->getType()), 'Should return true when no notification flags are set, by default immediate email');
 
         // immediate-email preference
-        $user->setNotificationFlags(['test_notification_type' => [User::NOTIF_FLAG_IMMEDIATE_EMAIL, User::NOTIF_FLAG_DAILY_DIGEST]]);
+        $user->setNotificationImmediately('test_notification_type', true);
+        $user->setNotificationDailyDigest('test_notification_type', true);
         $this->assertTrue($user->isNotificationSendImmediately($notification->getType()), 'Should return true when preferences contain immediate-email');
 
         // daily-email preference
-        $user->setNotificationFlags(['test_notification_type' => [User::NOTIF_FLAG_DAILY_DIGEST]]);
+        $user->setNotificationDailyDigest('test_notification_type', true);
+        $user->setNotificationImmediately('test_notification_type', false);
         $this->assertFalse($user->isNotificationSendImmediately($notification->getType()), 'Should return false when preference is daily-email only');
         $this->assertTrue($user->isNotificationDailyDigest($notification->getType()), 'Should return true when preference is daily-email');
 
diff --git a/src/Bundle/ChillMainBundle/Tests/Entity/UserNotificationFlagsPersistenceTest.php b/src/Bundle/ChillMainBundle/Tests/Entity/UserNotificationFlagsPersistenceTest.php
new file mode 100644
index 000000000..eefcd22c3
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Tests/Entity/UserNotificationFlagsPersistenceTest.php
@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Tests\Entity;
+
+use Chill\MainBundle\Entity\User;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class UserNotificationFlagsPersistenceTest extends KernelTestCase
+{
+    public function testFlushPersistsNotificationFlagsChanges(): void
+    {
+        self::bootKernel();
+        $em = self::getContainer()->get('doctrine')->getManager();
+
+        $user = new User();
+        $user->setUsername('user_'.bin2hex(random_bytes(4)));
+        $user->setLabel('Test User');
+        $user->setPassword('secret');
+
+        // Étape 1: créer et persister l’utilisateur
+        $em->persist($user);
+        $em->flush();
+        $id = $user->getId();
+        self::assertNotNull($id, 'User should have an ID after flush');
+
+        try {
+            // Sanity check: par défaut, pas de daily digest pour "alerts"
+            self::assertFalse($user->isNotificationDailyDigest('alerts'));
+
+            // Étape 2: activer le daily digest -> setNotificationFlagElement réassigne la propriété
+            $user->setNotificationDailyDigest('alerts', true);
+            $em->flush(); // persist le changement
+            $em->clear(); // simule un nouveau cycle de requête
+
+            // Étape 3: recharger depuis la base et vérifier la persistance
+            /** @var User $reloaded */
+            $reloaded = $em->find(User::class, $id);
+            self::assertNotNull($reloaded);
+            self::assertTrue(
+                $reloaded->isNotificationDailyDigest('alerts'),
+                'Daily digest flag should be persisted'
+            );
+
+            // Étape 4: modifier via setNotificationFlagData (remplacement du tableau)
+            // Cette méthode doit réassigner la propriété (copie -> réassignation)
+            $reloaded->setNotificationImmediately('alerts', true);
+            $reloaded->setNotificationDailyDigest('alerts', false);
+            $em->flush();
+            $em->clear();
+
+            /** @var User $reloaded2 */
+            $reloaded2 = $em->find(User::class, $id);
+            self::assertNotNull($reloaded2);
+
+            // Le daily digest n’est plus actif, seul immediate-email est présent
+            self::assertFalse($reloaded2->isNotificationDailyDigest('alerts'));
+            self::assertTrue($reloaded2->isNotificationSendImmediately('alerts'));
+        } finally {
+            // Nettoyage
+            $managed = $em->find(User::class, $id);
+            if (null !== $managed) {
+                $em->remove($managed);
+                $em->flush();
+            }
+            $em->clear();
+        }
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Tests/Entity/UserTest.php b/src/Bundle/ChillMainBundle/Tests/Entity/UserTest.php
index 254ced51b..76654e3ef 100644
--- a/src/Bundle/ChillMainBundle/Tests/Entity/UserTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Entity/UserTest.php
@@ -99,4 +99,22 @@ class UserTest extends TestCase
         $user->setAbsenceEnd(null);
         self::assertFalse($user->isAbsent(), 'Should not be absent if start is null');
     }
+
+    public function testSetNotification(): void
+    {
+        $user = new User();
+
+        self::assertTrue($user->isNotificationSendImmediately('dummy'));
+        self::assertFalse($user->isNotificationDailyDigest('dummy'));
+
+        $user->setNotificationImmediately('dummy', false);
+        self::assertFalse($user->isNotificationSendImmediately('dummy'));
+
+        $user->setNotificationDailyDigest('dummy', true);
+        self::assertTrue($user->isNotificationDailyDigest('dummy'));
+
+        $user->setNotificationImmediately('dummy', true);
+        self::assertTrue($user->isNotificationSendImmediately('dummy'));
+        self::assertTrue($user->isNotificationDailyDigest('dummy'));
+    }
 }
diff --git a/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php b/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
index 03be565a2..173cb8a0e 100644
--- a/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
@@ -144,7 +144,7 @@ class NotificationMailerTest extends TestCase
         $idProperty->setValue($user, 456);
 
         // Set notification flags for the user
-        $user->setNotificationFlags(['test_notification_type' => [User::NOTIF_FLAG_IMMEDIATE_EMAIL]]);
+        $user->setNotificationImmediately('test_notification_type', true);
 
         $messageBus = $this->createMock(MessageBusInterface::class);
         $messageBus->expects($this->once())
diff --git a/src/Bundle/ChillMainBundle/config/services.yaml b/src/Bundle/ChillMainBundle/config/services.yaml
index 14f0f851a..d8d4a475d 100644
--- a/src/Bundle/ChillMainBundle/config/services.yaml
+++ b/src/Bundle/ChillMainBundle/config/services.yaml
@@ -113,3 +113,5 @@ services:
     Chill\MainBundle\Service\EntityInfo\ViewEntityInfoManager:
         arguments:
             $vienEntityInfoProviders: !tagged_iterator chill_main.entity_info_provider
+
+    Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommandHandler: ~