Mi Router 4A Gigabit Edition Rescue Brick and Flash Back to Official Firmware

The previous article introduced how to flash the Mi Router 4A Gigabit Edition with third-party open source firmware:

• Millet router 4A Gigabit version OpenWRTInvasion flashing tutorial
• Millet Router 4A Gigabit Edition CH341A Programmer Flashing Tutorial

So if I regret it, what should I do if I want to flash back to the official firmware?

To flash back the official firmware, you can use the Xiaomi router repair tool [MIWIFIRepairTool.x86.zip], or you can use the CH341A programmer.

Xiaomi router repair tool and official original firmware can be downloaded through https://www.miwifi.com/ .

Mi router repair tool flashing steps:

1. Download the PC client of the Xiaomi router repair tool and the ROM package used to flash the machine;
2. Turn on the power of the Xiaomi router, and connect the computer and the LAN port of the router with a network cable;
3. It is recommended to close the anti-virus software, then open the Xiaomi router repair tool, and choose to upload the flash ROM package locally;
4. Select network card: Please select the network card connected to the LAN port of the router;
5. After the network card configuration is successful, first disconnect the power of the router, then press and hold the Reset button and then turn on the power until the orange light flashes and release the Reset button;
6. Wait for about 3-5 minutes, the blue light flashes to indicate that the flashing is successful, and the router needs to be powered off and restarted;

If the red light flashes, it means that the flashing has failed, please check the flashing process above and perform the flashing operation again.

For detailed steps, please refer to: 【Router Flashing Tutorial】Suitable for millet router flashing tools