Recommended tools
Screwdriver Torx T5
Opening tool / Spudger
Tweezers
Disassembly/Repair of the mobile device Microsoft Lumia 550 RM-1127 (Lumia 550 RM-1127 / RM-1128) 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 T5), unscrew 10 bolts in the frame of the phone.
Step 4.
Disconnect the connector
Lift up the middle frame and disconnect the module connector on the PCB.
Step 5.
Remove the cable
Disconnect the connector and remove from the frame the flat cable with the main camera, front (selfie) camera and headphone jack/socket.
Step 6.
Remove the motherboard
Remove the PCB.
Step 7.
In the middle cover
The middle frame.
Step 8.
Remove the vibration motor
Pry and remove the earpiece (speaker) and vibration motor.
Step 9.
Open the display module
The dislpay module.
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