Phone · Motorola · Moto G40 Fusion
Motorola Moto G40 Fusion Battery Replacement
Battery Replacement guide for the Motorola Moto G40 Fusion
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening pick
- Spudger
- SIM eject tool
- Suction cup
- Heat gun or hair dryer
- Tweezers
Parts / materials
- Replacement Moto G40 Fusion battery
- Custom battery adhesive strips
- Isopropyl alcohol (90% or higher)
Safety
- Do not puncture, bend, or force open the lithium-ion battery.
- Wear safety glasses while using isopropyl alcohol and applying heat.
- Use an anti-static wrist strap to avoid ESD damage to sensitive electronic components.
Overview
Step-by-step
- 1
Turn off phone
1 minPower down your Motorola Moto G40 Fusion completely before starting disassembly.
- 2
Remove SIM tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone to eject the SIM card tray.
- 3
Heat back cover
2 minApply heat around the perimeter of the plastic back cover using a heat gun or hair dryer for two minutes to soften the adhesive.
- 4
Insert opening pick
2 minPlace a suction cup near the bottom edge, pull gently, and insert a plastic opening pick into the gap between the frame and back cover.
- 5
Unclip back cover
3 minSlide the pick along all edges of the device to release the plastic clips and cut through remaining adhesive.
- 6
Lift back cover carefully
2 minGently swing open the back cover from the right edge, taking care not to strain the fingerprint sensor ribbon cable.
- 7
Unscrew motherboard bracket
3 minRemove the Phillips #00 screws securing the plastic upper motherboard cover.
- 8
Remove motherboard bracket
2 minUse a spudger to pry up and remove the plastic motherboard cover from the frame.
- 9
Disconnect fingerprint sensor
1 minUse the edge of a plastic spudger to pry the fingerprint sensor flex cable straight up from its connector.
- 10
Disconnect battery cable
1 minDisconnect the battery flex cable from the motherboard to safely remove power from the system.
- 11
Locate adhesive pull tabs
1 minIdentify the clear adhesive pull tabs accessible at the top and bottom edges of the battery.
- 12
Apply isopropyl alcohol
3 minApply a few drops of high-concentration isopropyl alcohol under the battery edges to break down persistent adhesive.
- 13
Pry out old battery
4 minInsert a flat plastic spudger under the battery and carefully lift it out of the recess.
- 14
Clean battery well
2 minWipe away remaining adhesive residue inside the battery cavity using a lint-free cloth dampened with isopropyl alcohol.
- 15
Apply new adhesive
2 minStick fresh battery adhesive strips into the housing, leaving the protective film tabs exposed.
- 16
Install new battery
2 minPeel the protective film off the adhesive, position the new battery in place, and press down firmly.
- 17
Reconnect battery flex
1 minAlign and press the battery flex connector directly onto the motherboard until it clicks.
- 18
Reconnect fingerprint sensor
1 minAttach the fingerprint sensor flex cable to its socket on the motherboard.
- 19
Reinstall motherboard bracket
3 minPosition the plastic cover over the motherboard and tighten the Phillips screws to secure it.
- 20
Snap on back cover
2 minAlign the back cover over the body and squeeze firmly along the edges until all clips snap shut.
After your Motorola Moto G40 Fusion battery replacement
Power the Moto G40 Fusion back on and test the battery replacement 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.
