Rockchip Rk3026 442 Firmware Repack May 2026

Use Android Image Kitchen (Linux or Windows via Cygwin/WSL):

unpackimg.sh boot.img

You get:

Repack after modifications:

repackimg.sh

RK3026 kernel: may be 3.0.36+ or 3.0.101+, no DT (Device Tree) – uses board file. rockchip rk3026 442 firmware repack


Instead of repacking the entire update.img, flash individual partitions:


Place all modified partition images back into output_folder/.

Create package-file (example):

#NAME  Rockchip Image File
package-file 0x00000800
bootloader  0x00001000  RK30xxLoader(L)_V2.35.bin
parameter   0x00002000  parameter
boot        0x00004000  boot.img
system      0x00018000  system.img
...

Ensure partition sizes in parameter file match actual image sizes.

First check format:

file system.img

Case A: ext4 sparse → convert to raw:

simg2img system.img system_raw.img

Mount, modify, repack:

make_ext4fs -s -l <size_in_bytes> -L system new_system.img system_mounted_folder/

Case B: squashfs → unsquashfs, mksquashfs (with Rockchip-specific options: -comp lzo -b 131072 sometimes).


To repack firmware for this chipset, you need the standard Rockchip legacy toolset: Use Android Image Kitchen (Linux or Windows via

  • RKImageMaker: Used to unpack/repack the boot loader portion.
  • AFPTool: Required to unpack the specific .img container format used by Rockchip.
  • imgRePackerRK: A popular third-party GUI tool that automates the unpacking/repacking process (highly recommended for this chipset).
  • Linux Environment (Optional but recommended): For modifying the system.img (ext4 filesystem) or resource.img.

  • Common reasons: