1. Participate in game activities: game developers will hold various activities regularly, such as competitions, sweepstakes, sign-ins, etc. If they participate in the activity and win or meet the requirements of the activity, they may get an activation code reward for renaming the card.
2. Gift package redemption: In the game, you can buy a gift package by accumulating game coins or recharging, and the gift package may contain the activation code of the renamed card.