AndroidTool v2.33 or FactoryTool are recommended. USB A-to-A Cable: A USB cable with male ends on both sides.
"MXQ RK3229 eMMC V3.1 firmware download" or "RK3229 loader Android 7.1.2 img" .
The is a specific revision of a popular budget Android TV box. The "MXQ" refers to the model series, "RK3229" is the Rockchip system-on-chip (SoC), "eMMC" indicates the internal storage type (rather than NAND flash), and "V3.1" is the printed circuit board (PCB) version. This distinction is critical. Flashing the wrong firmware for a V2.0 or V4.0 board onto a V3.1 can permanently brick your device.
To press the hidden recovery button inside the AV port. 2. Software Requirements
Boot the device into recovery mode manually or flash the file again using the "Restore" button instead of "Upgrade" to ensure a total storage format.
Mxq Rk3229 Emcp V3.1 Firmware: Complete Guide and Troubleshooting