Phone · Motorola · G9
Motorola G9 Charging Port Repair
Charging Port Repair guide for the Motorola G9
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000)
- Tweezers
- Spudger tool
- SIM card eject tool
Parts / materials
- Replacement Moto G9 charging port sub-board
- Back cover adhesive tape or pre-cut adhesive
- Isopropyl alcohol (99%)
Safety
- Discharge phone battery below 25% before starting disassembly to reduce thermal risk.
- Wear safety glasses to protect eyes when applying heat near adhesives and glass.
- Do not puncture or bend the internal lithium-ion battery while prying.
Overview
Step-by-step
- 1
Eject SIM card tray
1 minPower off the device completely. Insert a SIM eject tool into the tray hole to pop out and remove the SIM card tray.
- 2
Heat rear panel perimeter
2 minApply heat evenly around the edges of the back cover using a heat gun for approximately two minutes to soften the underlying adhesive.
- 3
Attach suction tool
1 minPlace a suction cup near the bottom edge of the rear panel and press firmly to seal.
- 4
Create opening seam
2 minPull up on the suction cup while inserting a thin plastic opening pick into the gap between the back cover and frame.
- 5
Slice perimeter adhesive
3 minSlide the plastic pick along all four edges to slice through the adhesive securing the back cover.
- 6
Slightly lift back cover
1 minGently swing the back cover open from the side, taking care not to strain the delicate fingerprint reader cable.
- 7
Disconnect fingerprint sensor
1 minUse a spudger to pop the fingerprint sensor flex cable straight up off its motherboard socket.
- 8
Remove back cover
1 minSet the freed back cover aside in a safe, clean location.
- 9
Unscrew loudspeaker housing
3 minRemove the seven Phillips #000 screws securing the lower loudspeaker module to the phone frame.
- 10
Remove loudspeaker module
2 minInsert a spudger beneath the loudspeaker housing and pry upward to lift it out of the chassis.
- 11
Disconnect main interconnect cable
1 minUse the flat end of a spudger to pry the main interconnect flex cable straight up from the charging sub-board.
- 12
Disconnect antenna cable
1 minGently pry the white coaxial antenna cable connector up off the daughterboard using precision tweezers.
- 13
Pry up charging board
2 minInsert a spudger under the edge of the charging port sub-board and lever it up from the adhesive.
- 14
Remove old charging board
1 minLift the faulty charging port board out of the phone housing and discard it properly.
- 15
Install new charging board
1 minAlign the replacement charging port sub-board with its recessed slot and press it down into position.
- 16
Reconnect coaxial antenna
2 minAlign the coaxial cable head over its sub-board socket and press gently until it snaps into place.
- 17
Reconnect interconnect cable
1 minPress the main flex connector firmly onto the sub-board terminal until you feel a distinct click.
- 18
Reinstall loudspeaker module
1 minPosition the loudspeaker housing over the sub-board and press down around the edges to seat it properly.
- 19
Secure loudspeaker screws
3 minReinstall and tighten the seven Phillips #000 screws to secure the speaker assembly.
- 20
Reconnect fingerprint sensor
1 minHold the back cover near the phone body and press the fingerprint sensor flex cable onto its socket.
- 21
Apply fresh back cover adhesive
3 minLay pre-cut adhesive strips or B-7000 glue along the perimeter frame of the phone chassis.
- 22
Reseal back cover
2 minAlign the back cover over the phone frame and press firmly along all edges to bond the adhesive.
- 23
Reinsert SIM tray
1 minSlide the SIM card tray back into its slot on the side of the device until it sits flush.
After your Motorola G9 charging port repair
Power the G9 back on and test the charging port 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 G9 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 G9 repair context in the encyclopedia, or open related DIY guides.
