Phone · Motorola · G51 5G
Motorola G51 5G Charging Port Repair
Charging Port Repair guide for the Motorola G51 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Plastic opening picks
- Spudger
- Tweezers
- SIM eject tool
Parts / materials
- Replacement charging port board for Moto G51 5G
- Back cover adhesive sticker or repair tape
- High-concentration isopropyl alcohol (90%+)
Safety
- Wear protective eye safety glasses when applying heat to the phone.
- Use an anti-static wrist strap to prevent electrostatic discharge while working on internal electronics.
- Work in a clean, ventilated area when handling adhesives and isopropyl alcohol.
Overview
Step-by-step
- 1
Turn Off the Phone
1 minPress and hold the power button, then tap Power Off to shut down the device completely before starting.
- 2
Remove the SIM Card Tray
1 minInsert a SIM eject tool into the hole next to the card tray on the left side of the phone and push to release it.
- 3
Heat the Back Cover
3 minApply heat around the edges of the plastic back cover using a heat gun or iOpener for 2 to 3 minutes to soften the internal adhesive.
- 4
Slice the Back Cover Adhesive
4 minInsert a plastic opening pick between the rear panel and frame, then slide it around the perimeter to cut through the adhesive.
- 5
Disconnect the Fingerprint Sensor Cable
2 minSlightly tilt open the back cover and use tweezers or a spudger to press off the fingerprint sensor cable connector from the motherboard.
- 6
Remove the Back Cover
1 minLift the back cover away from the phone body and set it aside in a safe area.
- 7
Remove the Lower Speaker Screws
2 minUse a Phillips #00 screwdriver to remove the screws securing the lower loudspeaker housing.
- 8
Lift Out the Loudspeaker Assembly
2 minInsert a spudger under the edge of the loudspeaker unit and lever it up out of the phone frame.
- 9
Disconnect the Main Interconnect Cable
1 minPry up the press connector of the main flex interconnect cable off the daughterboard using a plastic spudger.
- 10
Unclip the Antenna Coaxial Cable
2 minUse fine-tip tweezers to carefully lift and unclip the antenna coaxial cable connector from the charging board socket.
- 11
Pry Up the Charging Port Board
2 minInsert a flat opening tool under the edge of the charging port board and lift it out of the lower recessed frame.
- 12
Position the New Charging Board
2 minAlign the replacement charging port board into the lower chassis slot and press it down until seated flat.
- 13
Reattach the Antenna Coaxial Cable
2 minPosition the coaxial cable head over the sub-board socket and press gently until it snaps into place.
- 14
Connect the Main Interconnect Cable
1 minAlign the main flex connector over the new board socket and press down firmly to secure the connection.
- 15
Reinstall the Loudspeaker Assembly
2 minFit the loudspeaker cover back into the bottom of the frame over the daughterboard area.
- 16
Secure the Speaker Screws
2 minDrive the Phillips #00 screws back into the loudspeaker module until snug.
- 17
Reconnect the Fingerprint Reader
2 minHold the rear panel near the frame and snap the fingerprint sensor flex cable back onto the motherboard connector.
- 18
Apply New Back Cover Adhesive
3 minClean off old adhesive using isopropyl alcohol, then stick custom cut adhesive tape onto the frame edges.
- 19
Seal the Back Cover
2 minAlign the back panel carefully over the phone chassis and press firmly along all edges to bond the adhesive.
- 20
Reinsert the SIM Tray
1 minSlide the SIM card tray back into its slot on the left edge of the device until it sits flush.
After your Motorola G51 5G charging port repair
Power the G51 5G 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 G51 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 G51 5G repair context in the encyclopedia, or open related DIY guides.

