Hold the button and connect your phone to the PC via USB cable.
To successfully flash the Nokia G21, you need to download a complete package. Do not download tools separately from untrusted sources. nokia g21 flash tool full
These are professional "dongle" tools frequently used for advanced repairs, such as fixing "Your Device is Corrupted" errors, bypassing FRP (Google Lock), or performing a hard reset when buttons fail. Preparation Checklist Hold the button and connect your phone to