Phone · Motorola · Moto E4
Motorola Moto E4 Charging Port Repair
Charging Port Repair guide for the Motorola Moto E4
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic prying tool
- Spudger tool
- Precision tweezers
- Soldering iron
- Desoldering braid
- Magnifying glass
- Anti-static wrist strap
Parts / materials
- Replacement micro-USB charging port
- Solder
- Flux
- Isopropyl alcohol (90%+)
Safety
- Remove the battery completely before using soldering tools near internal circuitry.
- Work in a well-ventilated space to avoid inhaling solder fumes.
- Wear safety glasses to protect eyes from hot solder spatters.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is fully shut down before starting.
- 2
Remove the rear cover
1 minInsert a plastic prying tool or fingernail into the notch near the USB port. Pry the flexible rear cover away from the body.
- 3
Remove the battery
1 minLift the removable battery using the notch at the bottom edge. Pull it out of the recess and set it aside.
- 4
Remove SIM and SD cards
1 minSlide out the SIM card and microSD card from their respective tray slots. Store them in a safe place.
- 5
Unscrew the lower speaker housing
2 minUse a Phillips #00 screwdriver to remove the screws holding the lower speaker frame. Organize screws to keep track of locations.
- 6
Pry off the speaker frame
2 minInsert a plastic spudger beneath the lower speaker cover edge. Gently pop the plastic clips and remove the cover.
- 7
Unscrew the main midframe
3 minRemove all remaining Phillips #00 screws securing the internal upper midframe plastic layer.
- 8
Detach the upper midframe
2 minRun a spudger around the edges of the midframe to release internal retention clips. Lift the frame away from the phone body.
- 9
Disconnect the coaxial antenna cable
2 minPry up the antenna connector on the lower sub-board using tweezers or a spudger. Unclip the thin wire from its routing guide.
- 10
Disconnect the daughterboard main flex cable
1 minUse a plastic spudger to gently pop up the press-fit ribbon cable connector from the daughterboard pad.
- 11
Remove the sub-board assembly
2 minPry the bottom sub-board gently from the chassis using a spudger. Lift the board clear of its positioning pins.
- 12
Apply liquid flux to port contacts
2 minDispense a small coat of liquid soldering flux across the micro-USB anchor pins and electrical pads on the board.
- 13
Desolder the housing anchor posts
4 minApply heat with a soldering iron and desoldering braid to the four large support solder points. Remove as much old solder as possible.
- 14
Remove the broken micro-USB port
4 minGently heat all rear pin connections with the soldering iron while holding the port with tweezers. Pull the damaged port straight off once solder melts.
- 15
Clean pad surfaces with desoldering braid
3 minPass fresh desoldering wick over the pads with the iron tip to flat-clean all residual solder. Wipe clean with isopropyl alcohol.
- 16
Position the new charging port
3 minAlign the replacement micro-USB port onto the board pads using fine tweezers. Verify all data pins rest squarely on matching pads.
- 17
Solder anchor support pins
3 minTouch solder and iron tip to the four mechanical side anchor legs. Secure the port body firmly to the circuit board.
- 18
Solder micro-USB data and power pins
5 minApply a tiny amount of solder carefully to each of the small pin contacts on the rear. Work slowly to avoid creating solder bridges.
- 19
Inspect pin solder joints
2 minExamine the newly soldered pin connections under a magnifying glass. Ensure each joint is shiny and isolated from adjacent pins.
- 20
Reassemble internal boards and body components
5 minPress the sub-board back into place, reconnect antenna and flex cables, and reattach screw frames. Reinsert battery, cards, and rear cover.
After your Motorola Moto E4 charging port repair
Power the Moto E4 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 E4 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 E4 repair context in the encyclopedia, or open related DIY guides.

