Phone · Motorola · G7 Plus
Motorola G7 Plus Charging Port Repair
Charging Port Repair guide for the Motorola G7 Plus
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #000 screwdriver
- Tweezers
- Spudger tool
- Soldering iron
- Desoldering braid
Parts / materials
- Replacement USB-C port
- Flux
- Solder
- Back cover adhesive strips
- Isopropyl alcohol (99%)
Safety
- Discharge battery below 25% prior to disassembly to reduce risk of thermal runway.
- Wear safety glasses while soldering to protect eyes from splattering flux and solder.
- Perform soldering tasks in a well-ventilated space to avoid breathing in fumes.
- Avoid applying direct high heat near the lithium-ion battery.
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 phone is completely shut down before starting.
- 2
Heat the back cover
2 minApply a heat gun or hairdryer to the edges of the rear glass cover for two minutes to soften the adhesive.
- 3
Attach the suction cup
1 minPlace a suction cup on the lower third of the rear panel. Pull upward gently to create a small gap near the edge.
- 4
Slice the back adhesive
4 minInsert a plastic prying pick into the gap created by the suction cup. Slide it along all four edges to slice through the adhesive.
- 5
Disconnect the fingerprint sensor
2 minSlightly lift the glass cover from the left edge. Use a spudger to pop off the fingerprint sensor flex cable attached to the motherboard.
- 6
Remove the rear glass panel
1 minLift the rear glass cover completely away from the phone chassis and set it aside.
- 7
Unscrew upper midframe screws
3 minUse a Phillips #000 screwdriver to remove the screws securing the upper motherboard shield.
- 8
Remove upper midframe shield
1 minUse tweezers to lift the upper plastic midframe cover off the chassis.
- 9
Disconnect the battery press connector
1 minUse the flat end of a spudger to pry the battery flex cable straight up from its socket.
- 10
Unscrew lower speaker assembly
3 minRemove the Phillips #000 screws holding the speaker housing over the daughterboard at the bottom of the device.
- 11
Remove lower speaker housing
2 minInsert a plastic prying tool under the corner of the loudspeaker module and lift it out.
- 12
Disconnect main interconnect flex cable
1 minUse a spudger to gently disconnect the main ribbon cable from the charging daughterboard.
- 13
Disconnect antenna coaxial cable
2 minUse tweezers to carefully pop the white coaxial antenna connector off the bottom corner of the daughterboard.
- 14
Pry up charging port daughterboard
2 minInsert the flat edge of a spudger beneath the daughterboard and pry it up from the chassis adhesive.
- 15
Apply flux to port pins
2 minApply a small amount of liquid flux across the solder anchor pads and rear pins of the damaged USB-C port.
- 16
Desolder damaged USB-C port
5 minHeat the port anchor pins with a soldering iron while applying gentle lifting pressure to remove the broken port from the board.
- 17
Clean board pads
3 minPlace desoldering braid over the contact pads and heat with the iron tip to clean away excess old solder.
- 18
Solder new USB-C port
5 minAlign the replacement USB-C port onto the pads, apply fresh solder to the anchor pins, and flow solder onto all data/power contacts.
- 19
Reinsert charging board
2 minPlace the repaired daughterboard back into its recess at the bottom of the phone frame.
- 20
Reconnect antenna coaxial cable
2 minAlign the antenna head over its socket on the daughterboard and snap it down firmly using tweezers.
- 21
Reconnect main interconnect flex cable
1 minPress the main ribbon cable connector onto the daughterboard socket until it clicks into place.
- 22
Position lower speaker housing
1 minLower the loudspeaker assembly into place over the daughterboard, aligning its retention clips.
- 23
Secure speaker housing screws
3 minDrive in the Phillips #000 screws to hold the lower speaker module tightly to the chassis.
- 24
Reconnect battery flex cable
1 minAlign the battery press connector with its motherboard port and press down firmly to secure it.
- 25
Position upper midframe shield
1 minPlace the plastic motherboard cover back over the top section of the motherboard.
- 26
Secure upper midframe screws
3 minReinstall and tighten the Phillips #000 screws securing the upper motherboard shield.
- 27
Reconnect fingerprint sensor flex
2 minHold the rear panel close to the frame and connect the fingerprint flex cable to the motherboard using a spudger.
- 28
Reseal rear glass cover
3 minApply fresh adhesive tape along the perimeter frame, press the rear panel down firmly, and hold pressure for two minutes.
After your Motorola G7 Plus charging port repair
Power the G7 Plus 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 G7 Plus 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 G7 Plus repair context in the encyclopedia, or open related DIY guides.
