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Open the back cover.
Lift and remove the battery.
Using a screwdriver (hex T5), unscrew 10 bolts in the frame of the phone.
Pry and remove the middle frame.
Using a screwdriver (hex T5), unscrew 3 bolts in the PCB.
Disconnect connectors on the PCB.
Remove the flat cable with the headphone jack/socket.
Remove the PCB.
Pry and remove the earpiece (speaker) and proximity sensor.
The display module.
Detailed disassembly instructions of Microsoft Lumia 640 XL RM-1062 in the video, made by our mobile repair & service center:
Senior maintenance service and repair engineer
Disassembling\Repair has easy complexity and takes about 3 minutes in time. Our manual is suitable for all models Microsoft Lumia 640 XL RM-1062 — Microsoft Lumia 640 XL RM-1064, RM-1065, RM-1066, RM-1067 released for markets in different countries.