Example unpack (using rk29xxunpack ):
firmware ( update.img ), you need a specific set of tools compatible with Rockchip's image format: rockchip rk3026 442 firmware repack
You will need tools capable of handling the Rockchip proprietary format. Example unpack (using rk29xxunpack ): firmware ( update
Remove pre-installed Chinese apps or unnecessary system APKs from system/app/ . rockchip rk3026 442 firmware repack