Phone · Motorola · G55 5G
Motorola G55 5G Charging Port Repair
Charging Port Repair guide for the Motorola G55 5G
Before you begin
Tools
- Phillips #00 precision screwdriver
- Heat gun or iOpener
- Plastic opening picks
- Suction handle
- Precision spudger
- Tweezers
- Isopropyl alcohol 90%+
Parts / materials
- Replacement Moto G55 5G charging port sub-board
- Custom rear cover adhesive tape
Safety
- Wear eye protection when heating and prying components.
- Disconnect the battery before handling motherboard or daughterboard components to avoid short circuits.
- Do not puncture or bend the lithium-ion battery during repair.
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 fully shut down before proceeding.
- 2
Heat the rear cover edges
2 minUse a heat gun or iOpener around the perimeter of the back cover for two minutes. This softens the adhesive securing the rear panel.
- 3
Apply suction cup
1 minAttach a suction cup to the lower portion of the rear glass panel. Pull gently to create a small gap between the panel and the frame.
- 4
Insert opening pick
2 minSlide a thin plastic opening pick into the gap created by the suction cup. Do not insert it deeper than 3 mm to avoid internal components.
- 5
Slice perimeter adhesive
4 minSlide the pick carefully around all four edges of the back panel. Reapply heat if the adhesive becomes resistant.
- 6
Remove rear cover
1 minLift the rear cover away from the chassis carefully. Set it aside on a clean, scratch-free surface.
- 7
Unscrew upper motherboard cover
2 minUse a Phillips #00 screwdriver to remove the screws securing the top plastic protective bracket.
- 8
Detach upper motherboard bracket
1 minGently lift the plastic shield off the motherboard using a spudger and set it aside.
- 9
Disconnect the battery cable
1 minUse the flat end of a plastic spudger to pop the battery flex connector straight up from its socket. This cuts power to the device.
- 10
Unscrew lower loudspeaker module
2 minRemove the Phillips screws holding down the lower speaker assembly over the charging port area.
- 11
Remove loudspeaker assembly
1 minPry up the loudspeaker module using a plastic spudger and lift it out of the frame.
- 12
Disconnect main interconnect flex cable
1 minUse a spudger to detach the main ribbon cable press connector from the sub-board.
- 13
Disconnect antenna coaxial cable
1 minGently pry up the head of the white coaxial antenna cable from its terminal on the charging board.
- 14
Remove sub-board retaining screw
1 minUnscrew the single Phillips screw securing the charging port sub-board to the frame, if present.
- 15
Pry out old charging port board
2 minInsert the edge of a spudger underneath the daughterboard and carefully lever it out of its housing.
- 16
Position new charging port board
1 minAlign the new sub-board into the recessed cavity at the bottom of the phone frame.
- 17
Secure sub-board screw
1 minReinstall and tighten the Phillips screw to fix the new charging port board in place.
- 18
Reconnect antenna coaxial cable
1 minAlign the antenna cable head over its socket and press down firmly until it snaps into place.
- 19
Attach interconnect flex cable
1 minPress the lower end of the main interconnect flex cable back onto the sub-board connector.
- 20
Reconnect battery press connector
1 minSnap the battery flex cable back into its socket on the upper motherboard.
- 21
Reinstall loudspeaker module
1 minSeat the speaker module back over the sub-board and press it flat into position.
- 22
Fasten loudspeaker screws
2 minSecure the speaker assembly with the Phillips screws removed earlier.
- 23
Reattach upper motherboard bracket
2 minPlace the upper bracket back in position and reinstall its Phillips screws.
- 24
Clean frame adhesive tracks
2 minUse isopropyl alcohol and a lint-free cloth to scrape off residual adhesive around the frame edge.
- 25
Apply rear cover adhesive
2 minPlace pre-cut adhesive strips along the phone frame perimeter for a secure seal.
- 26
Press rear cover into place
2 minAlign the rear cover with the frame and press firmly around all edges to bond the adhesive.
After your Motorola G55 5G charging port repair
Power the G55 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 G55 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 G55 5G repair context in the encyclopedia, or open related DIY guides.

