1. Login to you SBI net banking using user id and password.
2. Go to Profile tab.
3. Click on personal detail from links.
4. Enter Your Profile Password.
5. Click on change mobile number Domestic only(through OTP/ATM/Contact Center) .
6. Enter Your mobile number twice in two boxes and press submit.
7. A message box will show your number. If the number that is showing correct press ok button.
8. If you don't have the old number select IRATA internet banking Request approval through ATM and click on proceed.
9. After that it will your account(s) number select your account number and click on proceed.
10. Pay Rs 1 using your ATM card which is associated with the account number.
11. After successful payment a sms will come to your mobile number with a code. Now you need to go to sbi atm to completer the process.
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