Phone · Motorola · Moto G71 5G
Motorola Moto G71 5G Logic Board Repair
Logic Board Repair guide for the Motorola Moto G71 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- Precision tweezers
- SIM eject tool
Parts / materials
- Replacement Motorola Moto G71 5G logic board
- Pre-cut back cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Wear eye protection when heating and prying delicate device components.
- Always disconnect the battery connector first before handling motherboard components to avoid electrical shorts.
- Do not bend or puncture the battery during disassembly.
Overview
Step-by-step
- 1
Eject SIM tray
1 minInsert a SIM eject pin into the hole on the left edge of the phone. Push firmly inward to pop out the SIM tray and set it aside.
- 2
Heat rear cover
2 minApply a heat gun set to low evenly around the outer edges of the rear panel for 2 minutes to soften the adhesive.
- 3
Slice perimeter adhesive
4 minAttach a suction cup near the bottom edge and pull upward to create a gap. Insert a plastic opening pick into the gap and slice along all four edges.
- 4
Remove back cover
2 minGently lift the back panel off the chassis. If a fingerprint sensor flex cable is present, disconnect it before fully separating the panel.
- 5
Unscrew top bracket
3 minUse a Phillips #00 screwdriver to remove the screws securing the upper motherboard protective cover.
- 6
Remove motherboard bracket
1 minInsert a flat spudger under the edge of the upper bracket and lift it out of the frame.
- 7
Disconnect battery press connector
1 minUse a plastic spudger to pry the battery flex cable straight up off the logic board. This cuts power to prevent short circuits.
- 8
Disconnect main display flex
1 minPry up the main display ribbon cable connector from its socket on the motherboard using a spudger.
- 9
Disconnect interconnect and antenna wires
2 minDisconnect the lower sub-board flex cable and carefully unclip the coaxial antenna cable from the logic board.
- 10
Disconnect front and rear camera modules
3 minUse tweezers or a spudger to pop off the press connectors for the front selfie camera and rear camera cluster.
- 11
Unfasten motherboard retaining screw
1 minRemove the single Phillips #00 screw anchoring the logic board to the inner frame chassis.
- 12
Pry up logic board
2 minGently pry underneath the bottom edge of the motherboard with a plastic spudger and lift it out of the chassis.
- 13
Transfer camera modules to replacement board
4 minCarefully remove camera modules from the old board using tweezers and install them onto the replacement logic board.
- 14
Position replacement logic board
2 minSet the new logic board into the frame top-first, ensuring no flex cables get trapped underneath.
- 15
Reconnect internal flex cables
4 minReattach the cameras, antenna coaxial wire, lower sub-board flex, display flex, and battery connector in sequence.
- 16
Reinstall top bracket
3 minAlign the upper motherboard cover over the board and secure it with the saved Phillips #00 screws.
- 17
Reseal back cover
4 minApply new pre-cut adhesive strip along the perimeter frame, align the back cover, and press firmly along edges.
After your Motorola Moto G71 5G logic board repair
Power the Moto G71 5G 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 G71 5G 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 G71 5G repair context in the encyclopedia, or open related DIY guides.
