Tools: computer, firefight game client.
1. Open the firefight game client and log in to the game account.
2. Enter the game mall and find the "function props" option in the mall.
3. Find the item "Modify Nickname" in "Function Props" and click Buy.
4. Choose the purchase method. You can buy it with coupons or Q coins in the game.
5. After successful purchase, the name change card will be automatically sent to the game character's backpack.
6. Use the renaming card in the game, enter a new nickname for the game, and click OK to complete the renaming.