A dead main board turns a perfectly good Mijia G1 into a doorstop. This replacement motherboard brings the robot back to life, and it is the international version, so you can set the system language for your country.

Compatibility

• for Xiaomi Mijia G1 robot vacuum (model MJSTG1)

Please check the model number on your robot's label before ordering. Boards are not interchangeable between Mijia models.

Features

• International version with multi-language support
• Direct replacement for a faulty, water-damaged, or non-booting main board
• Restores power, navigation, and app pairing when the original board fails
• New condition, tested before shipping

Specifications

• Part: Motherboard / main board
• Colour: Black
• Condition: used, chinese version
• Weight: approx. 0.2 kg with packaging

Package Contents

• 1 x Motherboard for Mijia G1 MJSTG1

Installation

1. Power off the robot and remove the top cover and dust bin.
2. Unplug the ribbon and power connectors from the old board, then unscrew and lift it out.
3. Fit the new board, reconnect every cable in the same position, then power on and re-pair with the app.

Board-level replacement is best handled by someone comfortable with small electronics. If you are unsure, have a repair technician fit it.

Note: This is a compatible replacement part. Brand and model names are used for compatibility reference only.