Log in to SBI Internet Banking or SBI YONO app
Go to Debit Card Services
Select Manage Debit Card or Debit Card Control
Choose your SBI debit card
Enable E-commerce or Online Transactions
Set the transaction limit if required
Confirm the request using OTP or profile password
Wait for activation confirmation
If online activation is not available, visit an SBI ATM or contact SBI customer care
Ensure your debit card is enabled for international or domestic online usage as needed