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Open the back cover.
Lift and remove the battery.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 11 bolts.
Pry up the connector and remove the cable with a charging port and microphone.
Disconnect connectors on the PCB and remove two assemblies. The first one with a buzzer (speaker) and another one with a buzzer (speaker) and vibration motor.
Pry up the connector and remove the cable with power & volume buttons flex cable.
Disconnect connectors on the PCB.
Remove the PCB.
Detailed disassembly instructions of Samsung Galaxy Tab 3 8.0'' SM-T311 in the video, made by our mobile repair & service center:
Senior maintenance service and repair engineer
Disassembling\Repair has easy complexity and takes about 5 minutes in time. Our manual is suitable for all models Samsung Galaxy Tab 3 8.0'' SM-T311 — Samsung T310, T315 released for markets in different countries.