diff --git a/lib/features/profile/tpin/change_tpin_otp_screen.dart b/lib/features/profile/tpin/change_tpin_otp_screen.dart
index c99759a..d4d8d66 100644
--- a/lib/features/profile/tpin/change_tpin_otp_screen.dart
+++ b/lib/features/profile/tpin/change_tpin_otp_screen.dart
@@ -41,7 +41,7 @@
        // 1. Validate the OTP first.
        await _changePasswordService.validateOtp(
          otp: _otpController.text,
-         mobileNumber: '8981274001',
+         mobileNumber: widget.mobileNumber,
        );
 
        // 2. If OTP is valid, then call validateChangeTpin.
diff --git a/lib/features/profile/tpin/change_tpin_screen.dart b/lib/features/profile/tpin/change_tpin_screen.dart
index f53ebea..850d361 100644
--- a/lib/features/profile/tpin/change_tpin_screen.dart
+++ b/lib/features/profile/tpin/change_tpin_screen.dart
@@ -36,7 +36,7 @@ class _ChangeTpinScreenState extends State<ChangeTpinScreen> {
       });
       try {
         // 1. Get OTP for TPIN change.
-        await _changePasswordService.getOtpTpin(mobileNumber: '8981274001');
+        await _changePasswordService.getOtpTpin(mobileNumber: widget.mobileNumber);
 
         // 2. Navigate to the OTP screen on success.
         if (mounted) {
@@ -45,7 +45,7 @@ class _ChangeTpinScreenState extends State<ChangeTpinScreen> {
               builder: (context) => ChangeTpinOtpScreen(
                 oldTpin: _oldTpinController.text,
                 newTpin: _newTpinController.text,
-                mobileNumber: '8981274001',
+                mobileNumber: widget.mobileNumber,
               ),
             ),
           );