Phone · Motorola · G71 5G
Motorola G71 5G Logic Board Repair
Logic Board Repair guide for the Motorola G71 5G
Before you begin
Tools
- Anti-static wrist strap
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #00)
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement rear cover adhesive strips
- Isopropyl alcohol (99%)
- Thermal pad or compound
Safety
- Wear an anti-static wrist strap to avoid electrostatic discharge damage to delicate components.
- Disconnect the battery cable immediately after removing the bracket to eliminate short-circuit risks.
- Do not puncture or force the lithium-ion battery during disassembly.
Overview
Step-by-step
- 1
Power Off Device
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is completely powered down before proceeding.
- 2
Remove SIM Card Tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone. Push firmly to eject the tray and pull it out completely.
- 3
Heat Rear Cover
2 minApply gentle heat around the edges of the back panel using a heat gun or hair dryer for about two minutes. This softens the adhesive securing the plastic back cover.
- 4
Slice Back Cover Adhesive
4 minPlace a suction cup on the lower back cover and pull upward to create a slight gap. Insert an opening pick and slide it along all edges to cut through the adhesive.
- 5
Remove Rear Cover
2 minLift the rear cover straight off the chassis once all adhesive is separated. Set it aside in a clean, dust-free area.
- 6
Unscrew Upper Bracket
3 minUse a Phillips #00 screwdriver to remove the screws securing the top plastic motherboard shield.
- 7
Remove Upper Bracket
2 minInsert a spudger under the plastic bracket edge and gently lift to detach it from the phone.
- 8
Disconnect Battery Cable
1 minPry the battery connector directly upward off the motherboard using a plastic spudger. This cuts power to the board to prevent accidental shorts.
- 9
Disconnect Main Flex Cables
2 minUnplug the display flex cable and the main interconnect board flex cable from the logic board using the flat end of a spudger.
- 10
Disconnect Antenna Cables
2 minUse fine tweezers to gently pry the coaxial antenna cable heads straight up from their motherboard sockets.
- 11
Disconnect Camera Modules
3 minUnplug the front-facing selfie camera and rear camera flex connectors from the logic board.
- 12
Remove Board Retaining Screw
1 minUnscrew the single Phillips #00 screw anchoring the motherboard to the frame near the top edge.
- 13
Lift Out Logic Board
3 minInsert a flat spudger underneath the top corner of the logic board and carefully pry it up from the phone chassis.
- 14
Install Replacement Logic Board
3 minAlign the replacement logic board in the chassis frame and press down gently until it clicks evenly into place.
After your Motorola G71 5G logic board repair
Power the 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 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 G71 5G repair context in the encyclopedia, or open related DIY guides.
