simg2img system.img system.raw sudo mount -t ext4 -o loop system.raw system_mount
If you modified system.img directly:
The standard toolkit involves:
Inside system.img :
: If you don't have a USB cable, you can use a memory card (at least 8GB) and a "bootable SD card" tool to flash the firmware directly from the card. mxq pro 4k rk3228a firmware repack
Flashing an RK3229 firmware onto an RK3228A will your device. This is why repacking —customizing a ROM specifically for the RK3228A—is critical. simg2img system