1. Select any available Credit Transfer merchandise in the Smartfren category and purchase itemku
2. Enter your Smartfren number and make sure it is correct
3. Make payment for your order
4. Wait until the seller sends your order credit amount
5. Make sure the credit that has been entered matches your order (check credit: *999#)
6. If it is correct, click the Done button on itemku to complete your order

Transfer credit does not increase the grace period of your Smartfren number.