Phone · Motorola · Moto G5S
Motorola Moto G5S Logic Board Repair
Logic Board Repair guide for the Motorola Moto G5S
Before you begin
Tools
- Phillips #000 Screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying picks
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement display adhesive pre-cut strips
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect eyes from potential glass fragments.
- Disconnect the battery immediately after opening to prevent electrical short circuits.
- Do not puncture, bend, or apply excessive pressure to the lithium-ion battery.
- Keep heating tools under 90°C (194°F) to avoid heat damage to internal components.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is completely powered down before starting.
- 2
Eject the SIM Tray
1 minInsert a SIM eject tool or paperclip into the small pinhole on the left side of the phone. Push firmly until the tray pops out, then remove it.
- 3
Heat the Display Edges
3 minApply heat evenly around the perimeter of the screen for 2 to 3 minutes using a heat gun or hair dryer. This softens the adhesive holding the display to the frame.
- 4
Attach Suction Cup
2 minPlace a suction cup on the lower portion of the front glass panel. Pull up gently to create a slight gap between the glass and the aluminum frame.
- 5
Slice Screen Adhesive
5 minInsert a plastic prying pick into the gap created by the suction cup. Carefully slide the pick along all four edges to sever the display adhesive.
- 6
Pivot the Display Assembly
2 minGently lift the top edge of the display away from the frame like a book. Do not pull it away entirely, as ribbon cables are still attached near the bottom.
- 7
Unscrew Display Bracket
2 minUse a Phillips #000 screwdriver to remove the screws securing the metal shield over the display cable connector.
- 8
Disconnect Display Cable
1 minPry the display flex cable straight up from its connector on the logic board using the flat end of a spudger.
- 9
Remove Display Assembly
1 minLift the entire display assembly off the device frame and place it on a clean surface.
- 10
Unscrew Midframe Assembly
4 minRemove all Phillips screws securing the internal midframe bracket to the phone chassis.
- 11
Remove Midframe Bracket
3 minInsert a plastic spudger around the edge of the plastic midframe and gently pry it away from the metal chassis.
- 12
Disconnect Battery Cable
1 minUse a spudger to lift the battery connector straight up from the motherboard to cut power to the device.
- 13
Disconnect Camera Flex Cables
2 minPry up the front-facing and rear-facing camera press-fit connectors from the logic board using tweezers or a spudger.
- 14
Disconnect Antenna Cable
1 minUse tweezers to carefully lift the coaxial antenna cable connector off the corner of the logic board.
- 15
Unscrew Logic Board
3 minRemove the remaining Phillips screws holding the logic board to the rear aluminum body.
- 16
Remove Logic Board
2 minCarefully pry up the logic board from the top edge and lift it out of the phone body.
After your Motorola Moto G5S logic board repair
Power the Moto G5S back on and test the logic board repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Motorola Moto G5S job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola Moto G5S repair context in the encyclopedia, or open related DIY guides.
