If you are currently experiencing issues org., stuck on boot logo, black screen)?
While a successful custom firmware flash for the Q6X V2.2 is improbable, the general process for flashing an Amlogic device is well-documented. If you are determined to proceed, here are the steps, which involve using a PC: q6x v22 firmware new
If you weren't looking for a keyboard story, you might be referring to: If you are currently experiencing issues org