Example parameter content:
FIRMWARE_VER:4.4.2
MACHINE_MODEL:rk3026
MACHINE_ID:007
MANUFACTURER:RK3026
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 3026
CHECK_MASK: 0x80
PAGE_SIZE: 0x800
KERNEL_IMG: 0x60008000
# ...
CMDLINE:console=ttyFIQ0 ...
Then partition list:
0x00002000@0x00002000(boot),0x00008000@0x00004000(recovery),0x00020000@0x0000C000(system),0x00008000@0x0002C000(cache),0x00080000@0x00034000(userdata)
Format: size@offset(name)
Method A – Recovery mode (if device has stock recovery with "apply update from sdcard"):
Method B – Mask ROM mode (brick recovery): rockchip rk3026 442 firmware repack
rkdeveloptool db MiniLoaderAll.bin
rkdeveloptool wl 0 update.img
rkdeveloptool rd
The Rockchip RK3026 is a fascinating relic of the mid-2010s. It powered countless budget Android TV boxes, car head units, and cheap tablets. Based on the Cortex-A9 architecture and usually running Android 4.4.2 (KitKat), these devices are often discarded as e-waste today.
However, repacking firmware for the RK3026 is a rite of passage for embedded tinkerers. It teaches you the fundamentals of the Rockchip boot process without the overwhelming complexity of modern 64-bit ARM chips. Example parameter content: FIRMWARE_VER:4
Goal: To unpack a stock .img firmware, modify the system partition (add apps, remove bloat, tweak performance), and repack it into a flashable image.