Phone · Motorola · Moto G4
Motorola Moto G4 Logic Board Repair
Logic Board Repair guide for the Motorola Moto G4
Before you begin
Tools
- T3 Torx screwdriver
- Plastic spudger
- Opening pick
- Tweezers
- Anti-static wrist strap
Parts / materials
- 99% Isopropyl alcohol
- Lint-free microfiber cloth
Safety
- Disconnect the battery immediately after removing the frame to avoid short circuits.
- Wear an anti-static wrist strap connected to a grounded surface to prevent ESD damage to sensitive chips.
- Do not puncture, bend, or apply pressure to the battery during repair.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then tap 'Power Off' on the screen to completely shut down the device.
- 2
Remove the back cover
2 minInsert a fingernail or plastic opening pick into the notch at the bottom edge and pry the back cover off.
- 3
Eject SIM and microSD cards
1 minSlide out any installed SIM card and microSD card from their respective slots.
- 4
Unscrew the midframe
5 minUse a T3 Torx screwdriver to remove the nineteen screws securing the plastic midframe to the body.
- 5
Remove the midframe cover
3 minInsert a spudger around the edges to release the plastic clips and lift off the midframe cover.
- 6
Disconnect the battery cable
2 minUse the flat end of a spudger to pry the battery connector straight up from its motherboard socket.
- 7
Disconnect the display flex cable
2 minFlip up the locking tab on the display ZIF connector and carefully slide the flex cable out.
- 8
Disconnect the digitizer flex cable
2 minUnlock the digitizer ZIF flap with tweezers and pull the ribbon cable out of the socket.
- 9
Disconnect the front camera
2 minPry up the press connector for the front-facing camera and remove it from the device.
- 10
Disconnect the rear camera
2 minUnplug the rear camera press connector and lift the camera module out of its recess.
- 11
Remove motherboard mounting screws
3 minRemove the remaining T3 Torx screws holding the logic board to the frame assembly.
- 12
Lift out the logic board
3 minGently pry up the bottom edge of the logic board and pull it away from the chassis.
After your Motorola Moto G4 logic board repair
Power the Moto G4 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 G4 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 G4 repair context in the encyclopedia, or open related DIY guides.

