diff --git a/src/features/profile/components/userInformation/PhoneNumber.tsx b/src/features/profile/components/userInformation/PhoneNumber.tsx
index 2ff5f75..aa8c505 100644
--- a/src/features/profile/components/userInformation/PhoneNumber.tsx
+++ b/src/features/profile/components/userInformation/PhoneNumber.tsx
@@ -174,6 +174,10 @@ export function PhoneNumber() {
   const handleBlur = () => {
     setTouched(true);
     if (!phoneNumber) {
+      toast({
+        message: t('settingForm.phoneNumberIsInvalid'),
+        severity: 'error',
+      });
       setFormError(t('settingForm.thisFieldIsRequired'));
       return;
     }
diff --git a/src/features/profile/components/userInformation/phoneNumber/PhoneEditForm.tsx b/src/features/profile/components/userInformation/phoneNumber/PhoneEditForm.tsx
index 2ecf6c1..4e20ab5 100644
--- a/src/features/profile/components/userInformation/phoneNumber/PhoneEditForm.tsx
+++ b/src/features/profile/components/userInformation/phoneNumber/PhoneEditForm.tsx
@@ -137,12 +137,6 @@ export default function PhoneEditForm({
                 }
               }
             }}
-            disabled={
-              isSending ||
-              buttonState === 'counting' ||
-              phoneNumber.length === 0 ||
-              !isValidPhoneNumber(phoneNumber)
-            }
             sx={{
               whiteSpace: 'nowrap',
               color: 'primary.main',