Hello everyone,
We're aware that there might be an issue with unlocking your Mamba Forever Edition items on PS5, but don't worry, we have a couple solid workarounds for you to try!
- Try logging into your PS4 account and log in to NBA2K21 to unlock the content that way
- Try downloading the PS4 version of the game on your PS5 and then logging into the PS4 version of the game to unlock the content that way