Phone · Motorola · Moto G45 5G
Motorola Moto G45 5G Charging Port Repair
Charging Port Repair guide for the Motorola Moto G45 5G
Before you begin
Tools
- Precision screwdriver set (Phillips #000)
- Plastic prying tools
- Opening picks
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- Spudger tool
Parts / materials
- Replacement Moto G45 5G charging port sub-board
- Pre-cut back panel adhesive tape
- Isopropyl alcohol (90% or higher)
Safety
- Wear protective eyewear to guard against glass splinters and mechanical debris.
- Disconnect the battery flex cable immediately after opening the chassis to eliminate short-circuit risks.
- Do not puncture or bend the lithium-ion battery during disassembly.
- Keep heating temperatures under 80°C (176°F) to avoid damaging sensitive components.
Overview
Step-by-step
- 1
Power off phone
1 minPress and hold the power button, then select Power Off. Ensure the device is fully shut down before proceeding.
- 2
Eject SIM card tray
1 minInsert a SIM eject tool into the pinhole on the side of the phone. Push firmly until the SIM tray pops out, then remove it.
- 3
Heat back panel adhesive
2 minUse a heat gun or hair dryer on low heat around the perimeter of the back cover for two minutes to soften the adhesive.
- 4
Attach suction cup
2 minPlace a suction cup near the bottom edge of the back panel. Pull up gently on the suction cup handle to create a small gap.
- 5
Insert plastic pick
2 minInsert a thin plastic opening pick into the seam opened by the suction cup.
- 6
Slice perimeter adhesive
4 minSlide the opening pick around all edges of the back cover to cut through the adhesive seal.
- 7
Remove back panel
2 minCarefully lift the back panel off the phone frame and place it on a clean mat.
- 8
Unscrew speaker housing
3 minUse a Phillips #000 screwdriver to remove the screws holding the bottom speaker module in place.
- 9
Remove speaker module
2 minInsert a plastic spudger under the corner of the lower speaker housing and lift it out of the chassis.
- 10
Disconnect battery flex
1 minPry up the battery connector from the mainboard using a plastic spudger to prevent electrical shorts.
- 11
Disconnect sub-board cable
2 minUse the spudger to snap off the main interconnect flex cable connector from the charging port sub-board.
- 12
Disconnect antenna cable
2 minGently unclip the coaxial antenna cable from its terminal on the sub-board using fine tweezers.
- 13
Pry out sub-board
2 minInsert a plastic spudger beneath the sub-board and lift it out from the bottom frame recess.
- 14
Position new sub-board
2 minSet the new charging port sub-board into the lower housing, pressing lightly until it sits flat.
- 15
Attach antenna cable
2 minAlign the coaxial antenna cable head over its sub-board socket and press down until it clicks securely.
- 16
Reconnect sub-board flex
2 minAlign and press the main interconnect flex cable connector onto the new sub-board.
- 17
Reconnect battery flex
1 minSnap the battery flex connector back onto its mainboard socket.
- 18
Reinstall speaker housing
2 minPosition the lower speaker housing back over the sub-board area and press it down flush.
- 19
Secure speaker screws
3 minReinsert and tighten all Phillips #000 screws to hold the speaker housing in place.
- 20
Apply frame adhesive
4 minClean remaining adhesive off the frame with isopropyl alcohol, then apply fresh double-sided adhesive strips.
- 21
Reseal back cover
3 minAlign the back panel over the frame and press firmly along all edges to seat the adhesive.
After your Motorola Moto G45 5G charging port repair
Power the Moto G45 5G 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 G45 5G 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 G45 5G repair context in the encyclopedia, or open related DIY guides.

