Phone · Motorola · G20
Motorola G20 Charging Port Repair
Charging Port Repair guide for the Motorola G20
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Heat gun or hairdryer
- SIM eject tool
Parts / materials
- Replacement Moto G20 charging port daughterboard
- Back cover adhesive strips
Safety
- Power down the phone completely before starting the repair to avoid short circuits.
- Wear an anti-static wrist strap to protect sensitive microelectronics from ESD.
- Handle delicate flex cables gently to prevent tearing or damage to contacts.
Overview
Step-by-step
- 1
Power off the device
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 hole next to the tray on the left edge. Push firmly to pop out the tray and remove it.
- 3
Heat the rear cover edges
2 minUse a heat gun or hairdryer to apply mild heat around the perimeter of the back cover for two minutes. This softens the adhesive holding the plastic panel.
- 4
Insert an opening pick
2 minInsert a plastic opening pick into the thin seam between the back cover and the display bezel.
- 5
Unclip the back panel
3 minSlide the pick along the outer edges to release the plastic retaining clips surrounding the frame.
- 6
Slightly lift the back cover
1 minGently hinge open the back cover from the right side like a book. Do not pull it away entirely, as the fingerprint cable is still connected.
- 7
Unscrew the top motherboard shield
2 minUse a precision Phillips screwdriver to remove the screws holding the plastic upper bracket.
- 8
Remove the upper shield
1 minUse tweezers to unhook and remove the upper bracket covering the motherboard.
- 9
Disconnect the fingerprint sensor flex
1 minUse a plastic spudger to pry the fingerprint reader press-connector straight up from the motherboard.
- 10
Remove the back panel completely
1 minLift the rear cover away from the chassis and set it aside in a clean workspace.
- 11
Unscrew the loudspeaker assembly
2 minRemove the Phillips screws securing the bottom speaker cover over the daughterboard.
- 12
Remove the loudspeaker housing
1 minInsert a spudger under the edge of the speaker module and lift it out of the phone.
- 13
Disconnect the interconnect flex cable
1 minUse a plastic spudger to pop the main interconnect flex connector off the charging port board.
- 14
Disconnect the coaxial antenna cable
1 minCarefully pry the antenna cable head up from its terminal on the lower daughterboard using precision tweezers.
- 15
Unscrew the daughterboard
1 minRemove the single Phillips screw securing the charging port daughterboard to the inner frame.
- 16
Remove the old charging port board
2 minPry beneath the daughterboard with a spudger and remove it from the bottom recess.
- 17
Set the new charging board in place
2 minAlign the replacement charging port board into the lower frame housing until it sits flush.
- 18
Secure the daughterboard screw
1 minReinstall the single Phillips screw to fasten the new charging board to the chassis.
- 19
Reconnect the coaxial antenna cable
2 minPosition the antenna connector over its socket and press down gently until it snaps into place.
- 20
Attach the main flex cable
1 minPress the interconnect flex cable connector firmly onto the new daughterboard socket.
- 21
Reinstall the loudspeaker housing
1 minPlace the speaker module over the lower sub-board assembly and press down to snap it into position.
- 22
Fasten the loudspeaker screws
2 minReplace and tighten all Phillips screws holding the loudspeaker cover down.
- 23
Reconnect the fingerprint reader flex
2 minHold the back cover near the device and snap the fingerprint sensor connector onto the motherboard.
- 24
Reinstall the upper motherboard bracket
2 minPlace the plastic motherboard cover back in position and secure it with its screws.
- 25
Snap the back panel into place
2 minAlign the rear panel over the frame and press firmly around all edges until every clip engages.
- 26
Reinsert the SIM tray
1 minSlide the SIM card tray back into its slot on the left side of the phone.
After your Motorola G20 charging port repair
Power the G20 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 G20 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 G20 repair context in the encyclopedia, or open related DIY guides.

