Phone · Motorola · Moto G15
Motorola Moto G15 Logic Board Repair
Logic Board Repair guide for the Motorola Moto G15
Before you begin
Tools
- SIM eject tool
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
Parts / materials
- Back cover pre-cut adhesive
- Isopropyl alcohol (99%)
- Clean microfiber cloth
Safety
- Disconnect the battery connector before handling internal electrical components to avoid short circuits.
- Wear protective eyewear while applying heat and prying adhesive around plastic or glass panels.
- Use an anti-static wrist strap to prevent electrostatic discharge damage to fragile motherboard components.
Overview
Step-by-step
- 1
Power off the Motorola Moto G15
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is completely powered down before proceeding.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the small hole on the left side of the frame. Push firmly until the tray pops out, then pull it out of the phone.
- 3
Heat the back cover edges
2 minApply heat to the outer edges of the rear panel using a heat gun on low power for two minutes to soften the underlying adhesive.
- 4
Slice through the rear adhesive
4 minAttach a suction cup near the bottom edge, pull upward to create a small gap, and insert a plastic pick to slice the adhesive around the perimeter.
- 5
Lift off the back cover
2 minGently lift the back panel off the chassis. If your model features a fingerprint sensor cable, disconnect it with a spudger before fully removing the cover.
- 6
Unscrew the top motherboard shield
3 minUse a Phillips #000 screwdriver to remove all screws securing the upper plastic motherboard cover.
- 7
Remove the motherboard shield
2 minPry up the edges of the upper bracket with a plastic spudger and lift it off the frame.
- 8
Disconnect the battery cable
1 minUse the flat end of a spudger to pry the battery press connector straight up off the motherboard socket to cut power.
- 9
Disconnect the display flex cable
1 minPry up the main display connector located near the middle of the logic board.
- 10
Disconnect the interconnect flex cable
1 minUnsnap the ribbon cable connecting the logic board to the lower sub-board.
- 11
Remove the front-facing camera
2 minDisconnect the front camera press connector and use tweezers to lift the camera module out of its housing slot.
- 12
Remove the rear camera modules
2 minUnplug the main and secondary camera connectors from the logic board, then lift the camera modules out.
- 13
Unscrew the logic board retaining screws
2 minRemove any remaining Phillips screws that secure the logic board directly to the chassis frame.
- 14
Lift out the old logic board
2 minCarefully pry under the bottom edge of the logic board using a spudger and remove it from the device frame.
- 15
Seat the replacement logic board
2 minAlign the replacement board into the upper chassis, ensuring no flex cables are trapped beneath it, and lower it into place.
- 16
Secure the board with screws
2 minReinstall the reserved Phillips screws to anchor the new logic board to the frame.
- 17
Reconnect cameras and flex cables
4 minSnap the rear cameras, front camera, display cable, and lower interconnect cable back into their respective sockets on the board.
- 18
Reconnect the battery cable
1 minPress the battery connector firmly into its logic board terminal until you feel a soft click.
- 19
Reinstall the motherboard shield
3 minPlace the protective shield over the upper board section and tighten all retained Phillips screws.
- 20
Reseal and press the back cover
3 minApply fresh pre-cut adhesive along the frame perimeter, align the rear cover, and press firmly around all edges to secure it.
After your Motorola Moto G15 logic board repair
Power the Moto G15 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 G15 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 G15 repair context in the encyclopedia, or open related DIY guides.
