A code may have expired, may not be applicable to specific brands, may not be transferrable or may only be able to be used once. Its also possible your purchase didnt fulfill the requirements of the code, such as spending a certain amount.

How do you enter codes on Genshin Impact?

To redeem your Genshin Impact code simply head on over to miHoYos gift redemption site. Here you need to login, and then select your region, and character. Once this is done copy an active code from our list, paste it into the box, and press redeem. The rewards are then sent to your in-game mailbox.