Separate the display module and back cover.
Disconnect the battery connector. The battery model of Huawei MediaPad T3 AGS-L09 is HB3080G1EBW.
We strongly recommend disconnecting the connector to avoid a possible short circuit during disassembly.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 3 screws securing the headphone jack/socket.