Phone · Motorola · G30
Motorola G30 Logic Board Repair
Logic Board Repair guide for the Motorola G30
Before you begin
Tools
- Precision Phillips #00 screwdriver
- Heat gun or hair dryer
- Plastic prying tools
- Spudger tool
- Suction cup tool
- Tweezers
- SIM eject tool
- Anti-static wrist strap
Parts / materials
- Replacement Motorola G30 logic board
- Rear panel pre-cut adhesive strips
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses while applying heat to avoid burns or injury from overheating plastic.
- Disconnect the battery flex cable immediately after opening the device to prevent electrical short circuits.
- Wear an anti-static wrist strap to protect sensitive logic board micro-components from ESD damage.
Overview
Step-by-step
- 1
Turn off device
1 minPress and hold the power button, then select power off to ensure the phone is completely powered down.
- 2
Eject SIM card tray
1 minInsert a SIM eject tool into the hole beside the card tray on the left edge and push firmly to pop it out.
- 3
Heat rear panel
2 minUse a heat gun or hair dryer along the back panel edges for two minutes to soften the rear adhesive.
- 4
Insert opening pick
3 minAttach a suction cup near the bottom edge, pull upward, and slip a plastic opening pick under the plastic back cover.
- 5
Slice perimeter adhesive
3 minSlide the plastic pick along all four sides to separate the adhesive securing the rear cover.
- 6
Lift rear cover
2 minGently hinge the rear cover off, taking care not to strain the attached fingerprint sensor flex cable.
- 7
Unscrew upper motherboard cover
3 minRemove the Phillips #00 screws holding down the plastic upper shield bracket.
- 8
Remove upper motherboard cover
2 minPry up the upper plastic shield using a spudger and lift it off the chassis.
- 9
Disconnect battery cable
1 minPry the battery connector directly up from the logic board with a plastic spudger to cut power.
- 10
Disconnect fingerprint cable
1 minUnplug the fingerprint sensor flex cable connector from the logic board using the point of a spudger.
- 11
Disconnect display and main flex cables
2 minDetach the display cable and main interconnect flex cable connectors from the logic board.
- 12
Disconnect antenna cable
2 minUse tweezers to carefully lift the coaxial antenna cable head straight up from the logic board terminal.
- 13
Remove board retention screw
1 minUnscrew the single Phillips #00 screw securing the logic board to the phone body frame.
- 14
Remove logic board
2 minPry up the logic board gently from the top edge and remove it from the frame.
- 15
Install new logic board
2 minPosition the replacement logic board into the frame, ensuring rear cameras align properly in their cutouts.
- 16
Reconnect ribbon connectors
3 minSnap the coaxial antenna, interconnect cable, display flex, and battery cable press-fit connectors back into place.
After your Motorola G30 logic board repair
Power the G30 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 G30 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 G30 repair context in the encyclopedia, or open related DIY guides.
