Assemble into a single flashable image – refer to Rockchip’s mkupdate.sh script.
| Component | File name (typical) | Description | |---------------|---------------------|-------------------------------------------| | Loader | rk3326_loader.bin | First-stage bootloader (DDR init, USB download) | | Parameter | parameter.txt | Partition table & kernel bootargs | | U-Boot | uboot.img | Second-stage bootloader | | Trust OS | trust.img | ARM TrustZone (OP‑TEE) | | Kernel | boot.img | Linux zImage + DTB | | Rootfs | rootfs.img | SquashFS, ext4, or f2fs image | | Misc / Recovery | recovery.img | Optional recovery environment | Rk3326 Firmware
Before downloading any file, you must choose your path. Assemble into a single flashable image – refer
USB cable issue or outdated driver. Fix: Use a USB 2.0 port (not USB 3.0). Use a high-quality data cable (not a charging-only cable). Reinstall Rockchip drivers v4.5 or later. Fix: Use a USB 2
Possibly. Stock firmware uses a "performance" governor. Try a custom firmware with conservative governor or set a lower max frequency (1.2GHz) in /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq .
Assemble into a single flashable image – refer to Rockchip’s mkupdate.sh script.
| Component | File name (typical) | Description | |---------------|---------------------|-------------------------------------------| | Loader | rk3326_loader.bin | First-stage bootloader (DDR init, USB download) | | Parameter | parameter.txt | Partition table & kernel bootargs | | U-Boot | uboot.img | Second-stage bootloader | | Trust OS | trust.img | ARM TrustZone (OP‑TEE) | | Kernel | boot.img | Linux zImage + DTB | | Rootfs | rootfs.img | SquashFS, ext4, or f2fs image | | Misc / Recovery | recovery.img | Optional recovery environment |
Before downloading any file, you must choose your path.
USB cable issue or outdated driver. Fix: Use a USB 2.0 port (not USB 3.0). Use a high-quality data cable (not a charging-only cable). Reinstall Rockchip drivers v4.5 or later.
Possibly. Stock firmware uses a "performance" governor. Try a custom firmware with conservative governor or set a lower max frequency (1.2GHz) in /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq .