diff --git a/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.html b/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.html
index bde8187df0..f543126660 100644
--- a/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.html
+++ b/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.html
@@ -57,12 +57,20 @@
     <mat-form-field class="flex-1" appearance="outline" subscriptSizing="dynamic">
       <mat-label translate>mobile.url</mat-label>
       <input required matInput formControlName="url">
+      <mat-hint></mat-hint>
+      <mat-error *ngIf="customMobilePageForm.get('url').hasError('pattern')">
+        {{ 'mobile.url-pattern' | translate }}
+      </mat-error>
     </mat-form-field>
   </ng-container>
   <ng-container *ngIf="customMobilePageForm.get('type').value === MobilePageType.CUSTOM">
     <mat-form-field class="flex-1" appearance="outline" subscriptSizing="dynamic">
       <mat-label translate>mobile.path</mat-label>
       <input required matInput formControlName="path">
+      <mat-hint></mat-hint>
+      <mat-error *ngIf="customMobilePageForm.get('path').hasError('pattern')">
+        {{ 'mobile.path-pattern' | translate }}
+      </mat-error>
     </mat-form-field>
   </ng-container>
 </section>
diff --git a/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.ts b/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.ts
index df683cf572..8d2b0cc675 100644
--- a/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/mobile/bundes/layout/custom-mobile-page.component.ts
@@ -63,8 +63,8 @@ export class CustomMobilePageComponent implements ControlValueAccessor, Validato
     label: ['', Validators.required],
     type: [MobilePageType.DASHBOARD],
     dashboardId: ['', Validators.required],
-    url: [{value:'', disabled: true}, [Validators.required]],
-    path: [{value:'', disabled: true}, [Validators.required, Validators.pattern(/^((?!\s).)*$/)]]
+    url: [{value:'', disabled: true}, [Validators.required, Validators.pattern(/^(https?:\/\/)?(localhost|([\w\-]+\.)+[\w\-]+)(:\d+)?(\/[\w\-._~:\/?#[\]@!$&'()*+,;=%]*)?$/)]],
+    path: [{value:'', disabled: true}, [Validators.required, Validators.pattern(/^(\/[\w\-._~:\/?#[\]@!$&'()*+,;=%]*)?$/)]]
   });
 
   private propagateChange = (_val: any) => {};
diff --git a/ui-ngx/src/app/modules/home/pages/mobile/bundes/mobile-app-configuration-dialog.component.ts b/ui-ngx/src/app/modules/home/pages/mobile/bundes/mobile-app-configuration-dialog.component.ts
index 308f69ae50..897710def9 100644
--- a/ui-ngx/src/app/modules/home/pages/mobile/bundes/mobile-app-configuration-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/mobile/bundes/mobile-app-configuration-dialog.component.ts
@@ -53,7 +53,7 @@ export class MobileAppConfigurationDialogComponent extends DialogComponent<Mobil
 
     this.showDontShowAgain = this.data.afterAdd;
 
-    this.configureApi.push(`static final thingsBoardApiEndpoint = '${window.location.origin}';`);
+    this.configureApi.push(`static const thingsBoardApiEndpoint = '${window.location.origin}';`);
     this.configureApi.push(`static const thingsboardOAuth2AppSecret = '${this.data.appSecret}';`);
   }
 
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index 86926a8a77..72484bb317 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -3477,7 +3477,9 @@
             "custom": "Custom"
         },
         "url": "URL",
+        "url-pattern": "Invalid URL",
         "path": "Path",
+        "path-pattern": "Path pattern",
         "custom-page": "Custom page",
         "edit-page": "Edit page",
         "edit-custom-page": "Edit custom page",