Phone · Motorola · Moto G Original
Motorola Moto G Original Charging Port Repair
Charging Port Repair guide for the Motorola Moto G Original
Before you begin
Tools
- Torx T3 screwdriver
- Plastic opening tools
- Plastic spudger
- Precision tweezers
- Hot air rework station
- Soldering iron
- Desoldering braid/wick
- Anti-static wrist strap
Parts / materials
- Replacement Moto G micro-USB charging port
- Lead-free solder wire
- Soldering flux gel
- 90%+ Isopropyl alcohol
- Cotton swabs
Safety
- Wear an anti-static wrist strap to prevent electrostatic discharge damage to the motherboard.
- Work in a well-ventilated space or use a fume extractor when soldering.
- Allow motherboard components to cool before touching them directly after heating.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then select Power Off on the screen. Ensure the device is completely powered down before starting.
- 2
Remove the back cover
1 minInsert a plastic opening tool into the notch near the USB port. Pry gently to unclip and lift the rear cover off the phone.
- 3
Eject the SIM card tray
1 minInsert a SIM eject tool or paperclip into the SIM tray hole. Push firmly until the tray pops out, then remove it.
- 4
Unscrew upper perimeter T3 screws
3 minUse a Torx T3 screwdriver to remove the upper screws securing the plastic midframe. Keep track of screw locations for reassembly.
- 5
Unscrew lower perimeter T3 screws
3 minRemove the remaining Torx T3 screws along the bottom and sides of the plastic midframe. Store them safely in a magnetic tray.
- 6
Pry up the midframe
2 minInsert a spudger between the midframe and the front panel assembly. Carefully pry around the edges to release the plastic clips holding the midframe.
- 7
Lift off the midframe
1 minGently lift the plastic midframe straight up and set it aside. Ensure no hidden clips or ribbon cables are stuck.
- 8
Disconnect the battery cable
1 minLocate the battery flex cable connector near the top right of the battery. Use a plastic spudger to pop the connector straight up from its socket.
- 9
Remove the battery
3 minInsert a flat plastic opening tool under the battery to break the adhesive underneath. Carefully pry the battery out without puncturing or bending it.
- 10
Disconnect display ribbon cable
2 minUse a spudger to flip up the retaining flap on the display ZIF connector. Gently slide the display ribbon cable out of the socket.
- 11
Disconnect digitizer flex cable
1 minLocate the touch screen digitizer flex cable on the motherboard. Pry the connector straight up using a nylon spudger to disconnect it.
- 12
Disconnect side button cable
2 minCarefully pop open the ZIF connector lock for the volume/power button flex cable. Pull the ribbon cable clear of the motherboard using tweezers.
- 13
Remove motherboard screws
2 minUnscrew the remaining Torx T3 screws holding the motherboard to the front housing. Set these distinct screws aside.
- 14
Lift out the motherboard
2 minGently pry up the motherboard from the bottom edge. Lift it out of the plastic display assembly and place it on an anti-static mat.
- 15
Apply soldering flux
2 minApply a small amount of liquid or gel soldering flux onto the micro-USB port pins and mounting pads. This helps heat distribute evenly and prevents bridging.
- 16
Heat micro-USB solder joints
3 minUse a hot air station set to around 350°C (660°F) to heat the port mounting posts and data pins evenly. Keep the nozzle moving to avoid overheating the PCB.
- 17
Remove damaged charging port
2 minOnce the solder melts, grasp the old micro-USB port using precision tweezers and lift it off the motherboard. Allow the board to cool slightly.
- 18
Clean solder pads
4 minApply fresh flux and use desoldering wick with your soldering iron to remove excess solder from the motherboard pads. Clean residue with isopropyl alcohol.
- 19
Tin motherboard pads
2 minApply a tiny amount of fresh solder to the clean pads using a soldering iron tip. Ensure pads are smooth and shiny.
- 20
Position replacement port
2 minAlign the replacement micro-USB port precisely with the solder pads and anchor holes on the motherboard using tweezers.
- 21
Solder anchor posts
3 minSolder the side mechanical anchor posts first to lock the port into place. Ensure the port sits flush against the edge of the circuit board.
- 22
Solder pin connections
5 minCarefully solder each of the small micro-USB pin connections to the corresponding motherboard pads. Inspect under magnification to ensure no bridges exist.
- 23
Clean port area
2 minClean off remaining flux residue around the new charging port using isopropyl alcohol and a cotton swab. Ensure no debris or solder balls remain.
- 24
Reinstall motherboard
2 minPlace the motherboard back into the front frame, aligning it with the mounting posts. Secure it using the motherboard retaining screws.
- 25
Reconnect flex cables
3 minReconnect the display, digitizer, and side button ribbon cables to their respective sockets. Secure all ZIF connector latch flaps.
- 26
Reinstall battery
2 minPlace the battery back into its compartment and push the battery flex cable onto its socket on the motherboard.
- 27
Reattach inner midframe
4 minAlign the plastic midframe over the phone assembly and press down along the edges to snap it in place. Reinstall all Torx T3 screws.
- 28
Reattach back cover
2 minReinsert the SIM tray into its slot. Snap the rear cover back onto the phone, pressing firmly around all edges until fully sealed.
After your Motorola Moto G Original charging port repair
Power the Moto G Original 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 G Original 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 G Original repair context in the encyclopedia, or open related DIY guides.
