Recommended tools
Screwdriver Torx T6
Opening tool / Spudger
Tweezers
Disassembly/Repair of the mobile device Microsoft Lumia 640 DS RM-1077 (Lumia RM-1077) with each step description and the required set of tools.
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Step 1.
Open the back cover
Open the back cover.
Step 2.
Remove the battery
Lift and remove the battery.
Step 3.
Unscrew the screws
Using a screwdriver (hex T6), unscrew 9 bolts in the frame of the phone.
Step 4.
Open the mid-frame
Pry and remove the middle frame.
âš Warning!
It is necessary to separate it carefully. Because of the inter-board cable that goes from the module to the connector on the PCB. The board locates in the middle frame.
Step 5.
Remove the vibration motor
Pry and remove the vibration motor and main camera.
Step 6.
Unscrew the screws
Using a screwdriver (hex T6), unscrew 2 bolts securing the charging port.
Step 7.
Remove the cable
Disconnect connector on the PCB and remove the flat cable with the headphone jack/socket.
Step 8.
Remove the motherboard
Remove the PCB.
Step 9.
In the middle cover
The middle frame.
Step 10.
In the display frame remained
The display module.
If you have a question, ask us, and we will try to answer in as much detail as possible. If this article was helpful for you, please rate it.
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