Phone · Motorola · Moto G40 Fusion
Motorola Moto G40 Fusion Charging Port Repair
Charging Port Repair guide for the Motorola Moto G40 Fusion
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Moto G40 Fusion charging sub-board
- Pre-cut back cover adhesive tape
- Isopropanol alcohol (99%)
Safety
- Wear safety glasses when applying heat to glass or plastic.
- Ensure the phone remains turned off throughout the entire repair process.
- Do not puncture, bend, or press against the internal battery.
- Handle delicate flex cable connectors with light pressure to prevent pin damage.
Overview
Step-by-step
- 1
Power Off Device
1 minPress and hold the power button on the right edge. Select Power Off on the screen and wait for the phone to shut down completely.
- 2
Eject SIM Tray
1 minInsert a SIM eject tool into the hole next to the SIM card tray on the left side. Press firmly until the tray pops out, then remove it.
- 3
Heat Back Cover
3 minApply a heat gun or hair dryer around the outer edges of the rear panel for 2 to 3 minutes. Warmth softens the adhesive holding the back cover.
- 4
Attach Suction Cup
1 minPlace a suction cup near the bottom edge of the back cover. Press down firmly to create a seal against the glass.
- 5
Create Opening Gap
2 minPull up gently on the suction cup while pushing a thin opening pick into the gap between the rear panel and frame.
- 6
Slice Rear Adhesive
3 minSlide the plastic pick along all four sides of the phone to cut through the remaining adhesive tape. Be careful around the fingerprint sensor on the upper back.
- 7
Tilt Back Cover
1 minGently lift the right side of the back cover, opening it like a book. Do not pull it away completely because the fingerprint ribbon cable is still attached.
- 8
Unscrew Fingerprint Bracket
2 minUse a Phillips #00 screwdriver to remove the single screw securing the metal bracket over the fingerprint sensor connector.
- 9
Disconnect Fingerprint Flex
1 minUse a plastic spudger to pry the fingerprint reader flex cable straight up from its connector on the motherboard.
- 10
Remove Loudspeaker Screws
2 minLocate and remove the seven Phillips #00 screws holding the plastic loudspeaker assembly to the bottom housing.
- 11
Pry Out Loudspeaker
2 minInsert a spudger under the top edge of the loudspeaker unit and lift it up. Remove the loudspeaker from the chassis.
- 12
Disconnect Interconnect Cable
1 minPry the bottom press-connector of the main flex interconnect cable off the daughterboard using a spudger tool.
- 13
Unplug Antenna Cable
1 minUse precision tweezers to carefully pop the white coaxial antenna head straight off its socket on the charging board.
- 14
Unscrew Sub-Board
1 minRemove the single Phillips #00 screw securing the daughterboard to the bottom left frame.
- 15
Remove Damaged Sub-Board
1 minLever the tip of a spudger beneath the charging port daughterboard and lift it out of the phone body.
- 16
Install New Sub-Board
2 minPlace the replacement charging port board into the lower compartment, aligning the USB-C port with the outer frame cutout.
- 17
Fasten Sub-Board Screw
1 minReinstall the single Phillips #00 screw to hold the new daughterboard securely to the frame.
- 18
Attach Antenna Cable
1 minAlign the coaxial antenna cable head over its socket on the sub-board and press straight down until it snaps in place.
- 19
Connect Interconnect Cable
1 minPosition the main flex ribbon connector over the bottom port press-fitting and press gently until it clicks.
- 20
Reinstall Loudspeaker Assembly
2 minLower the plastic loudspeaker module back over the sub-board area, aligning the clips with the chassis.
- 21
Secure Loudspeaker Screws
2 minDrive in the seven Phillips #00 screws to firmly attach the loudspeaker housing to the phone frame.
- 22
Connect Fingerprint Cable
1 minHold the back cover near the motherboard and snap the fingerprint sensor flex cable into its mainboard connector.
- 23
Fasten Fingerprint Bracket
1 minPlace the metal shield over the fingerprint flex press-connector and tighten the Phillips #00 screw.
- 24
Apply Rear Adhesive
2 minLay fresh double-sided adhesive strips around the perimeter of the phone frame, removing the protective backing film.
- 25
Press Back Cover
2 minAlign the rear panel perfectly over the frame and press firmly along all edges to seat the adhesive seal.
- 26
Reinsert SIM Tray
1 minSlide the SIM tray back into the left slot until it sits flush against the edge of the device.
After your Motorola Moto G40 Fusion charging port repair
Power the Moto G40 Fusion 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 Moto G40 Fusion 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 Moto G40 Fusion repair context in the encyclopedia, or open related DIY guides.
