In RKDevTool:
If you own a generic Android TV box purchased over the last few years, there is a very high chance it runs on the Rockchip RK3229 chipset. Cheaply manufactured and mass-produced, these devices—often branded as MXQ Pro 4K, V88, or A95X—frequently ship with poorly optimized, outdated software. Over time, they suffer from extreme lag, app crashes, and security vulnerabilities.
Download the specific .img file for your device.
If using RKBatchTool, click . Do not click Upgrade , as "Restore" completely formats the old buggy partitions before installing the clean OS.
I navigated to the usual haunts for Rockchip devices—FreakTab, XDA Developers, and specialized Russian Android forums (which are often goldmines for older Rockchip chips).
Look at the desktop tool on your PC. Once the connection block turns (in RKBatchTool) or displays "Found One LOADER Device" (in Android Tool), release the toothpick. Step 4: Flash the Firmware
Your PC will not recognize the TV box if it is simply plugged in normally. You must force it into a flashing mode.
Locate the on the TV box. It is usually hidden inside the AV (audio/video) jack port. You will need a toothpick or a paperclip to press it. Press and hold down the hidden reset button.
First, disconnect the TV box from its power adapter. Then, use a paperclip or a toothpick to press and hold the , which is often located inside the AV port on the back of the device.