While holding the reset button, plug the other end of the USB cable into the (usually the one closest to the SD card slot or the back) of the TV box.
The firmware acts as the operating system (Android). An update can move you from an older, sluggish version to a more optimized build of Android 7.1, 9.0, or even 10.0, depending on the developer. Why Should You Update? r29 mxq lp3 v23 firmware updated
Settings → About → Build number / Kernel version While holding the reset button, plug the other
If you own an MXQ Pro 4K TV box and have opened it up to find the board labeled , you’re dealing with a specific Rockchip-based device—usually powered by the RK3228A or RK3229 processor. Keeping these generic boxes updated can be tricky, but a firmware refresh can fix "stuck on logo" issues or improve performance. Core Specifications of the R29_MXQ_LP3_V2.3 Board Why Should You Update