diff --git a/src/Controller/ActionController.php b/src/Controller/ActionController.php
index 196ec336010e2739b1d4bfaaabcb52fd677fb588..b77e8068b5465e24280eb05aca3adb35f9d582f5 100644
--- a/src/Controller/ActionController.php
+++ b/src/Controller/ActionController.php
@@ -3,6 +3,7 @@
 namespace App\Controller;
 
 use App\Entity\History;
+use App\Entity\Users;
 use App\Entity\WebResetter;
 use App\Repository\HistoryRepository;
 use App\Repository\UsersRepository;
@@ -55,7 +56,9 @@ class ActionController extends AbstractController
             ]);
         }
 
-        if (!in_array($this->getUser(), $webResetter->getUsers()->toArray()) && !$this->getUser()->isAdminAccess()) {
+        /** @var Users $user */
+        $user =  $this->getUser();
+        if (!in_array($this->getUser(), $webResetter->getUsers()->toArray()) && !$user->isAdminAccess()) {
             return new JsonResponse([
                 'success' => false,
                 'message' => 'You\'re not allowed to execute this action'
@@ -63,7 +66,7 @@ class ActionController extends AbstractController
         }
 
         $historyEntry = new History();
-        $historyEntry->setUser($this->getUser());
+        $historyEntry->setUser($user);
         $historyEntry->setCommand($action);
         $historyEntry->setValue($requestBody["value"]);
         $historyEntry->setDevice($webResetter);
diff --git a/src/Controller/AdminController.php b/src/Controller/AdminController.php
index 2240d0c654a479dea536ac9d93ca75fa05b0dfed..bb63df46c47f9d2baf92a0ee399eeaf87846dc3b 100644
--- a/src/Controller/AdminController.php
+++ b/src/Controller/AdminController.php
@@ -37,7 +37,7 @@ class AdminController extends AbstractController
             $doctrine->getManager()->persist($user);
         }
 
-        $user->setName($request->request->get('displayName'));
+        $user->setName($request->request->getString('displayName'));
         if($request->request->get('username') != $user->getUsername()) {
             if ($users->findOneBy(['username' => $request->request->get('username') ])) {
                 $this->addFlash('error', [
@@ -47,13 +47,13 @@ class AdminController extends AbstractController
 
                 return $this->redirectToRoute('app_admin_users');
             }
-            $user->setUsername($request->request->get('username'));
+            $user->setUsername($request->request->getString('username'));
         }
         $user->setAdminAccess($request->request->has('admin'));
         $user->setEnabled($request->request->has('enabled'));
         if ($request->request->get('password') !== '') {
             $user->setPassword(
-                $passwordHasher->hashPassword($user, $request->request->get('password'))
+                $passwordHasher->hashPassword($user, $request->request->getString('password'))
             );
         }
         $user->setGoogleAuthenticatorEnabled($request->request->has('totpEnabled'));
@@ -85,7 +85,7 @@ class AdminController extends AbstractController
         }
 
         if ($request->request->get('address') != $device->getAddress()) {
-            if ($webResetterRepository->findOneBy(['address' => $request->request->get('address')])) {
+            if ($webResetterRepository->findOneBy(['address' => $request->request->getString('address')])) {
                 $this->addFlash('error', [
                     'title'=>  'Failed to save',
                     'message' => 'There is already a device with this address.'
@@ -95,10 +95,10 @@ class AdminController extends AbstractController
             }
     }
 
-        $device->setName($request->request->get('name'));
-        $device->setNotes($request->request->get('notes'));
-        $device->setAddress($request->request->get('address'));
-        $device->setIcon($request->request->get('icon'));
+        $device->setName($request->request->getString('name'));
+        $device->setNotes($request->request->getString('notes'));
+        $device->setAddress($request->request->getInt('address'));
+        $device->setIcon($request->request->getString('icon'));
 
         $server = $serverRepository->find($request->request->get('server'));
         if($server) {
@@ -138,7 +138,8 @@ class AdminController extends AbstractController
     }
 
     #[Route('/admin/devices/settings/{deviceId}', methods: ['GET'], name: 'app_admin_devices_parameters')]
-    public function deviceParametersGet(string $deviceId, WebResetterRepository $webResetterRepository) {
+    public function deviceParametersGet(string $deviceId, WebResetterRepository $webResetterRepository): Response
+    {
         $device = $webResetterRepository->find($deviceId);
         if(!$device) {
             throw new NotFoundHttpException('Can\'t find the device ID');
@@ -188,9 +189,9 @@ class AdminController extends AbstractController
             $doctrine->getManager()->persist($server);
         }
 
-        $server->setName($request->request->get('name'));
-        $server->setIpAddress($request->request->get('ipaddress'));
-        $server->setApikey($request->request->get('apikey'));
+        $server->setName($request->request->getString('name'));
+        $server->setIpAddress($request->request->getString('ipaddress'));
+        $server->setApikey($request->request->getString('apikey'));
 
         $doctrine->getManager()->flush();
 
diff --git a/src/Controller/DashboardController.php b/src/Controller/DashboardController.php
index a6926cfbfee9750d9b02e6e955c455501ffb16cc..7a9dd0a0ca0a610a3ab6dc4ae8961b8bddee4d95 100644
--- a/src/Controller/DashboardController.php
+++ b/src/Controller/DashboardController.php
@@ -2,17 +2,18 @@
 
 namespace App\Controller;
 
+use App\Entity\Users;
 use App\Repository\UsersRepository;
 use App\Repository\WebResetterRepository;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
-use Symfony\Component\Security\Core\User\UserInterface;
 
 class DashboardController extends AbstractController
 {
 
     #[Route('/', name: 'dashboard')]
-    public function dashboard(UserInterface $userInterface, UsersRepository $usersRepository, WebResetterRepository $webResetterRepository)
+    public function dashboard(Users $userInterface, UsersRepository $usersRepository, WebResetterRepository $webResetterRepository): Response
     {
         $user = $usersRepository->findOneBy(['username' => $userInterface->getUsername()]);
         $devices = $user->getWebResetter();
diff --git a/src/Controller/HistoryController.php b/src/Controller/HistoryController.php
index 9fead5c4b3114f18adad9f085f8d57df66bd92bf..12e78ac5b04a6402bfe05f21caa31d4ca1592d64 100644
--- a/src/Controller/HistoryController.php
+++ b/src/Controller/HistoryController.php
@@ -8,15 +8,15 @@ use App\Repository\WebResetterRepository;
 use Knp\Component\Pager\PaginatorInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\Routing\Annotation\Route;
-use function Doctrine\ORM\QueryBuilder;
 
 class HistoryController extends AbstractController
 {
     #[Route('/history/{deviceId}', methods: ['GET'], name: 'app_history')]
-    public function getHistory(HistoryRepository $historyRepository, WebResetterRepository $webResetterRepository, Request $request, PaginatorInterface $paginator, string $deviceId = null)
+    public function getHistory(HistoryRepository $historyRepository, WebResetterRepository $webResetterRepository, Request $request, PaginatorInterface $paginator, string $deviceId = null): Response
     {
         /**
          * @var Users $user ;
diff --git a/src/Controller/ProfileController.php b/src/Controller/ProfileController.php
index e00c798948db224246b2f10c888e10b993d0f153..7027d5f4cae3961b34c2031c1e9bab907e8f35c6 100644
--- a/src/Controller/ProfileController.php
+++ b/src/Controller/ProfileController.php
@@ -18,8 +18,10 @@ class ProfileController extends AbstractController
     #[Route('/profile', name: 'app_profile')]
     public function index(): Response
     {
+        /** @var Users $username */
+        $username = $this->getUser();
         return $this->render('pages/profile.html.twig', [
-            'name' => $this->getUser()->getName()
+            'name' => $username->getName()
         ]);
     }
 
@@ -30,7 +32,7 @@ class ProfileController extends AbstractController
          * @var Users $user
          */
         $user = $this->getUser();
-        $user->setName($request->request->get('inputName'));
+        $user->setName($request->request->getString('inputName'));
 
         $doctrine->getManager()->flush();
 
@@ -41,9 +43,6 @@ class ProfileController extends AbstractController
     #[Route('/profile/password', name:'app_profile_password_change', methods: ['POST'])]
     public function changePassword(Request $request, ManagerRegistry $doctrine, UserPasswordHasherInterface $passwordHasher): Response
     {
-        /**
-         * @var Users $user
-         */
         if ($request->request->get('inputPassword') !== $request->request->get('inputPasswordConfirm')) {
             $this->addFlash('error', [
                 'title' => 'Passwort not changed',
@@ -52,9 +51,10 @@ class ProfileController extends AbstractController
             return $this->redirectToRoute('app_profile');
         }
 
+        /** @var Users $user */
         $user = $this->getUser();
         $user->setPassword(
-            $passwordHasher->hashPassword($user, $request->request->get('inputPassword'))
+            $passwordHasher->hashPassword($user, $request->request->getString('inputPassword'))
         );
         $doctrine->getManager()->flush();
 
@@ -66,7 +66,8 @@ class ProfileController extends AbstractController
     }
 
     #[Route('/profile/totpEnable', name:'app_profile_totp_enable', methods:['POST'])]
-    public function enableTotp() {
+    public function enableTotp(): Response
+    {
         return $this->redirectToRoute('app_profile');
     }
 
@@ -92,7 +93,7 @@ class ProfileController extends AbstractController
     #[Route('/profile/totp/enable', methods: ['POST'], name: 'app_profile_totp_enable')]
     public function totpEnable(GoogleAuthenticatorInterface $totpInterface, ManagerRegistry $doctrine, Request $request): Response
     {
-        $code = $request->request->get('code');
+        $code = $request->request->getString('code');
         /**
          * @var Users $user
          */
@@ -116,6 +117,7 @@ class ProfileController extends AbstractController
             'title' => 'TOTP Disabled',
             'message' => 'TOTP was disabled successfully'
         ]);
+        /** @var Users $user */
         $user = $this->getUser();
         $user->setGoogleAuthenticatorEnabled(false);
         $doctrine->getManager()->flush();
diff --git a/src/Entity/History.php b/src/Entity/History.php
index aef165bad4355f26b325e68105114eba20015905..8093d113c3033c6e9cb9c29c55021e5ab4fe487d 100644
--- a/src/Entity/History.php
+++ b/src/Entity/History.php
@@ -96,25 +96,25 @@ class History
     public function getCommandText(): string
     {
         return match ($this->command) {
-            1 => 'short press',
-            2 => 'long press',
-            3 => 'set I2C address',
-            4 => 'set short delay',
-            5 => 'set long delay',
+            '1' => 'short press',
+            '2' => 'long press',
+            '3' => 'set I2C address',
+            '4' => 'set short delay',
+            '5' => 'set long delay',
             default => $this->command,
         };
     }
 
-    public function getValueText(): string
+    public function getValueText(): ?string
     {
         if($this->command > 2)
         {
-            return $this->value;
+            return (string)$this->value;
         }
         return match ($this->value) {
             1 => 'power button',
             2 => 'reset button',
-            default => $this->value,
+            default => (string)$this->value,
         };
     }
 }
diff --git a/src/Security/UserAuthenticator.php b/src/Security/UserAuthenticator.php
index 5db024e33d8fb7f89f55cab98c3f7f6efb8fe574..e22324319e5842acf4f9ad1ea87945f851812d7a 100644
--- a/src/Security/UserAuthenticator.php
+++ b/src/Security/UserAuthenticator.php
@@ -28,15 +28,15 @@ class UserAuthenticator extends AbstractLoginFormAuthenticator
 
     public function authenticate(Request $request): Passport
     {
-        $username = $request->request->get('username', '');
+        $username = $request->request->getString('username', '');
 
         $request->getSession()->set(Security::LAST_USERNAME, $username);
 
         return new Passport(
             new UserBadge($username),
-            new PasswordCredentials($request->request->get('password', '')),
+            new PasswordCredentials($request->request->getString('password', '')),
             [
-                new CsrfTokenBadge('authenticate', $request->request->get('_csrf_token')),
+                new CsrfTokenBadge('authenticate', $request->request->getString('_csrf_token')),
                 new RememberMeBadge()
             ]
         );
diff --git a/src/Twig/Components/DeviceAccordionComponent.php b/src/Twig/Components/DeviceAccordionComponent.php
index 1bf40cf826897a8388ae51d20f7c5b0edfa69f21..a6cac3511c07067c415d5692af9679cd2277a8c2 100644
--- a/src/Twig/Components/DeviceAccordionComponent.php
+++ b/src/Twig/Components/DeviceAccordionComponent.php
@@ -11,6 +11,7 @@ use Symfony\UX\TwigComponent\Attribute\AsTwigComponent;
 final class DeviceAccordionComponent
 {
     public ?WebResetter $device;
+    /** @var array|Server[] */
     public array $servers;
     public bool $expanded = false;