Ensure your Firmware is also updated to v21.0.1. Keys and firmware generally need to match to function correctly.
I should also consider the possibility that "V2101" is a typo. Maybe they meant another version, but since they specified it, I’ll proceed assuming it’s correct. prod keys v2101 link
: Use your preferred injector to start the Hekate bootloader. Ensure your Firmware is also updated to v21
If you’ve updated to v2101 and your games still aren't appearing, check the following: but since they specified it
To obtain a product key, follow these best practices: