Phone · Motorola · G85
Motorola G85 Battery Replacement
Battery Replacement guide for the Motorola G85
Before you begin
Tools
- Heat gun
- Suction cup
- Opening picks
- Phillips #000 screwdriver
- Spudger
- SIM eject tool
- Plastic card
Parts / materials
- Motorola G85 replacement battery
- Battery adhesive strips
- Back cover adhesive tape
- 90%+ Isopropyl alcohol
Safety
- Wear protective eyewear when working with heated glass panels.
- Disconnect the battery before touching internal components to prevent short circuits.
- Do not puncture, flex, or apply sharp metal tools directly against the lithium battery.
Overview
Step-by-step
- 1
Power Down Device
1 minPress and hold the power button, then tap Power Off on screen to completely turn off the phone.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole beside the SIM tray and push gently to eject the card holder.
- 3
Heat Edge Adhesive
2 minApply heat around the edges of the back panel for two minutes using a heat gun set to medium.
- 4
Attach Suction Handle
1 minPress a suction cup firmly onto the lower portion of the rear panel.
- 5
Insert Opening Pick
1 minPull up on the suction cup to create a thin gap, then slide a plastic opening pick into the seam.
- 6
Slice Perimeter Adhesive
3 minSlide opening picks around all four sides of the phone frame to slice through the adhesive seal.
- 7
Remove Back Panel
1 minGently lift the back cover off the chassis once the adhesive is fully separated.
- 8
Unscrew Motherboard Shield
2 minUse a Phillips #000 screwdriver to remove all screws securing the top motherboard plastic cover.
- 9
Detach Motherboard Shield
1 minInsert the flat tip of a spudger under the motherboard shield and gently unclip it from the frame.
- 10
Disconnect Battery Flex
1 minPry the battery press connector straight up from its motherboard socket using a plastic spudger.
- 11
Disconnect Interconnect Cable
1 minUnplug the main flex ribbon connectors spanning across the battery to clear the removal path.
- 12
Soak Battery Adhesive
2 minApply a few drops of high-grade isopropyl alcohol along the battery edges to dissolve the underlying glue.
- 13
Pry Out Battery
3 minPull the clear battery adhesive pull-tab or insert a flat plastic card beneath the cell to lift it free.
- 14
Clean Battery Cavity
2 minScrape leftover tape strips from the midframe and wipe the surface clean with isopropyl alcohol.
- 15
Position New Battery
2 minApply new adhesive strips to the chassis well, align the replacement battery, and press it securely into place.
- 16
Reconnect Flex Cables
1 minSnap the main interconnect flex cable and the new battery connector firmly onto their motherboard sockets.
- 17
Reinstall Motherboard Shield
2 minAlign the top plastic shield over the motherboard and tighten all saved Phillips screws.
- 18
Reseal Rear Cover
2 minApply custom pre-cut back cover adhesive, align the rear panel, and press firmly along all edges.
After your Motorola G85 battery replacement
Power the G85 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 G85 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 G85 repair context in the encyclopedia, or open related DIY guides.

