One of the biggest hurdles for RK3229 users is the Device Tree Blob (dtb). Because these TV boxes are generic, the hardware mapping differs between manufacturers.
Before starting, you must identify your specific device hardware to ensure you use the correct firmware and device tree (DTB). Common RK3229 Devices : V88 4K, MXQ Pro 4K, HK1 Mini, and Tanix TX2. Verification Tool emuelec rockchip rk3229
Finding the for your specific brand of box Troubleshooting controller mapping issues One of the biggest hurdles for RK3229 users
Devices do more than compute; they keep memory alive. That little Rockchip board, with EmuELEC as its voice, was a small ark—holding, in handfuls of ROMs and boot sequences, the warm weight of afternoons I’d thought gone. MXQ Pro 4K