Visit the SBI ATM
Insert your SBI debit card
Select your preferred language
Enter your current ATM PIN if prompted
Choose the option for PIN generation or PIN change
Select OTP-based PIN generation if available
Enter your registered mobile number
Enter the OTP received on your mobile
Set your new 4-digit ATM PIN
Re-enter the new PIN to confirm
Complete the transaction and collect your card
Use the new PIN for future ATM transactions