The RK3229 has limited RAM (usually 1GB or 2GB), so optimization is the biggest benefit of a custom ROM.
Custom ROM Development for the Rockchip RK3229: Design, Implementation, and Optimization
Before we look at the "how," let's look at the "why." The stock RK3229 firmware is usually based on Android 6.0 or 7.1. It is notoriously unstable for three reasons:
A custom ROM replaces the kernel and system partition, giving you root access, updated codecs, and unlocked CPU governors. rockchip rk3229 custom rom
I connected the box to my PC using a USB-to-USB cable (a male-to-male USB cable is essential for Rockchip boxes).
The tricky part is getting the box into Mask ROM Mode (also known as Flash Mode). I found a tiny hole on the bottom of the case—the reset button.
The Rockchip Batch Tool lit up green, showing "Found One LOADER Device." The RK3229 has limited RAM (usually 1GB or
"Okay," I muttered, "so far, so good."
I selected the custom ROM .img file I downloaded. The tool parsed the file and showed a progress bar. I hit "Upgrade".
The bar moved to 100%. Then, the box rebooted. A custom ROM replaces the kernel and system
Here is the scary part of any RK3229 story. Sometimes, the screen stays black. The remote stops working. Panic sets in. Did I brick it?
I unplugged the power, waited ten seconds, and plugged it back in. The familiar Android logo appeared, but this time, it was different. It was clean. No "SuperTV" or weird Chinese text.