Phone · Samsung · Galaxy S8 Active
Samsung Galaxy S8 Active Battery Replacement
Battery Replacement guide for the Samsung Galaxy S8 Active
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction cup
- Opening picks
- Plastic spudger
- Plastic opening card
Parts / materials
- Replacement battery for Galaxy S8 Active
- Pre-cut back cover adhesive gasket
- Battery adhesive strips
- 99% Isopropyl alcohol
Safety
- Wear safety glasses to protect eyes from prying force and heated adhesives.
- Do not bend, puncture, or apply metal tools directly to the lithium-ion battery.
- Use non-conductive plastic tools near exposed circuit boards and battery terminals.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then select Power Off on the screen to completely shut down the device.
- 2
Heat the rear panel
3 minApply a heat gun or iOpener around the outer edges of the back cover for 2-3 minutes to soften the adhesive seal.
- 3
Attach a suction cup
2 minPlace a suction cup onto the lower portion of the back cover and pull upward firmly to create a small gap.
- 4
Insert an opening pick
2 minPush an opening pick into the gap between the plastic rear cover and the outer bezel.
- 5
Slice through perimeter adhesive
5 minSlide the pick around all four edges of the phone to cut through the tough factory adhesive.
- 6
Remove the back cover
2 minLift the rear cover straight up off the chassis and set it aside.
- 7
Unscrew the plastic midframe
4 minUse a Phillips #00 screwdriver to remove the 11 screws securing the upper midframe and lower speaker housing.
- 8
Remove upper wireless charging pad
2 minGently pry up and unclip the top plastic midframe containing the wireless charging coil.
- 9
Remove lower loudspeaker module
2 minPry up the plastic loudspeaker module at the bottom of the device and lift it clear.
- 10
Disconnect the battery
1 minUse the flat end of a plastic spudger to pry the battery connector straight up from the motherboard.
- 11
Apply adhesive remover
2 minApply a few drops of high-concentration isopropyl alcohol along the sides of the battery well to soften the glue.
- 12
Pry out the old battery
4 minInsert a flat plastic opening card beneath the battery and carefully lever it out of the frame.
- 13
Clean the battery tray
2 minWipe away residual adhesive and dirt from the battery bay using isopropyl alcohol and a lint-free cloth.
- 14
Apply new battery adhesive
2 minLay down fresh pre-cut adhesive strips into the battery compartment and peel off the protective backing.
- 15
Install the new battery
2 minAlign the replacement battery in the tray and press down firmly to set it in the adhesive.
- 16
Connect the battery cable
1 minAlign the press connector over its motherboard socket and press down until it clicks into place.
- 17
Reinstall midframe components
3 minPress the wireless charging coil assembly and loudspeaker module back into position until their clips engage.
- 18
Fasten midframe screws
4 minReinsert and tighten the 11 Phillips #00 screws to hold the internal midframe secure.
- 19
Reseal and install back cover
4 minApply a new pre-cut adhesive gasket to the frame, align the rear cover, and press firmly along the edges.
After your Samsung Galaxy S8 Active battery replacement
Power the Galaxy S8 Active 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 Samsung Galaxy S8 Active job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S8 Active repair context in the encyclopedia, or open related DIY guides.
