This chip is highly optimized for high-definition video decoding. It supports various codecs, including H.265 and H.264. Developing firmware for this hardware requires developers to work closely with the Android Open Source Project or standard Linux distributions to leverage these hardware decoding capabilities. The Development Process

A detailed article might dissect the or IMG files from a stock firmware. Typical layout:

Your firmware is for a different RAM type (DDR3 vs DDR4) or NAND size. You need a PCB-specific build.