How to redeem Mobile Legends cards:
1- Log onto the website of MLBB:
https://m.mobilelegends.com/en/ - Find the ‘Redeem’ button on the right corner and click it.
3- Enter your Game ID and click the ‘Send’ button. Then you will receive a verification code in your in-game mailbox.
4- Enter the code you receive from the in-game mailbox.
5- Finally, enter the 17 digits redemption code and click ‘Redeem’. The item will automatically be sent into your in-game mailbox.