Xiaomi Mi Watch 2021 Motherboard Replacement

Before starting the disassembly, turn off your watch.

Remove the four 3.2 mm-long T3 Torx screws on the back of the watch.

Insert the flat end of a spudger into the loudspeaker opening at the top edge of the rear case assembly.

Push the spudger upwards to create a small gap between the rear case assembly and the watch housing.

Insert your spudger into the gap and pry up the rear case assembly.

Carefully swing open the rear case assembly by folding the rear case to the side with the watch buttons.

Remove the 2.7 mm-long Phillips screw securing the metal bracket in the top right corner of your watch.

Use a pair of tweezers to unhinge the metal bracket and remove it.

During reassembly, make sure to latch the metal bracket.

Use the flat end of a spudger to pry up and disconnect the rear case assembly flex connector from the motherboard.

Remove the 2.7 mm-long Phillips screw securing the metal bracket at the bottom left corner of your watch.

Use a pair of tweezers to unhinge the little hook at the upper end of the metal bracket and remove it.

Use the flat end of a spudger to pry up and disconnect the watch button flex connector.

Use the flat end of a spudger to pry up and disconnect the screen and the digitizer flex connectors.

Remove the two 2.7 mm-long Phillips screws securing the motherboard.

Use a pair of tweezers to lift the motherboard out of the watch housing.