Phone · Motorola · G100
Motorola G100 Charging Port Repair
Charging Port Repair guide for the Motorola G100
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Motorola Moto G100 charging port daughterboard
- Pre-cut back cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Always disconnect the battery before working on internal components.
- Wear eye protection when heating and prying plastic panels.
- Do not puncture or bend the lithium-ion battery during repair.
Overview
Step-by-step
- 1
Power off device and remove SIM tray
2 minCompletely turn off your Moto G100. Insert a SIM eject tool into the hole on the left edge and pull out the SIM card tray.
- 2
Heat rear cover edges
3 minUse a heat gun or hair dryer on medium power to warm the outer edges of the rear panel for two minutes to loosen the adhesive.
- 3
Attach suction cup
1 minPress a suction cup firmly onto the lower back cover just above the USB-C port.
- 4
Create an opening gap
2 minPull up gently on the suction cup while supporting the frame to form a slight gap between the rear cover and phone chassis.
- 5
Slice rear panel adhesive
4 minInsert a plastic prying pick into the gap and slice along all four edges to separate the adhesive seal.
- 6
Remove rear cover
2 minCarefully lift the rear panel off the frame and place it safely on your workspace mat.
- 7
Remove lower speaker screws
3 minUse a Phillips #000 screwdriver to remove all screws securing the bottom loudspeaker cover.
- 8
Pry up loudspeaker module
2 minInsert a plastic spudger beneath the edge of the loudspeaker housing and lift it out of the phone body.
- 9
Disconnect battery cable
2 minUse a plastic spudger to snap off the battery connector from the motherboard to cut power before proceeding.
- 10
Disconnect interconnect ribbon cable
2 minPry up the lower end of the flex ribbon cable connected to the bottom charging port daughterboard.
- 11
Disconnect coaxial antenna cables
2 minUse precision tweezers to lift and disconnect the antenna connectors from the daughterboard.
- 12
Remove faulty daughterboard
2 minSlide a flat spudger under the charging port daughterboard and lift it out of its recessed bay.
- 13
Install replacement daughterboard
2 minPlace the new Moto G100 charging port board into the lower chassis bay and press gently to seat it.
- 14
Reconnect antenna coaxial cables
3 minAlign the coaxial antenna heads over their board sockets and press down firmly until they snap into place.
- 15
Reconnect interconnect ribbon cable
2 minAlign the ribbon connector with the daughterboard socket and press until it securely clicks shut.
- 16
Reconnect battery press-connector
1 minSnap the battery flex cable back into its motherboard terminal.
- 17
Position lower speaker housing
2 minSet the lower loudspeaker assembly back into place over the charging board compartment.
- 18
Secure loudspeaker screws
3 minFasten the Phillips #000 screws back into the loudspeaker housing until snug.
- 19
Clean frame adhesive residue
4 minScrape away old adhesive tape remnants along the frame edges using a plastic tool and isopropyl alcohol.
- 20
Apply adhesive and seal rear cover
3 minApply new perimeter adhesive tape to the frame, align the rear cover, and press down firmly around all edges.
After your Motorola G100 charging port repair
Power the G100 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 G100 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 G100 repair context in the encyclopedia, or open related DIY guides.

