Xtool A80 Pro - How to Replace Mainboard; Initial Steps Reference; Step 4: Loosen Screws and Disconnect Cables; Step 5: Remove Handle and Mainboard

Check whether the tablet works normally
2.How to replace mainboard?
The step 1/2/3 are same as battery replacement operation
Step 4: Loosen the screws (No.1~No.8)
Disconnect the cables connector (No.9~No.14)
Step 5: Remove the handle and failed mainboard
Install the new mainboard replacement