Phone · Samsung · Galaxy S7 Active
Samsung Galaxy S7 Active Battery Replacement
Battery Replacement guide for the Samsung Galaxy S7 Active
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000, #00)
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement battery for Galaxy S7 Active
- Battery adhesive removal strips
- Isopropyl alcohol
- Display adhesive pre-cut strips
Safety
- Wear eye protection when applying heat to glass surfaces.
- Do not bend, puncture, or apply sharp metal tools directly to the battery.
- Use isopropyl alcohol only in a well-ventilated area away from open flames.
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 powered down before starting disassembly.
- 2
Eject the SIM Tray
1 minInsert a SIM eject tool into the small hole beside the SIM tray on the top edge. Push firmly to pop the tray out and set it aside.
- 3
Heat the Display Edges
3 minApply a heat gun or hair dryer around the perimeter of the front glass for 2 to 3 minutes. This softens the thick waterproof adhesive securing the display to the frame.
- 4
Attach the Suction Cup
1 minPlace a suction cup near the bottom edge of the front glass screen. Press down firmly to create a tight seal.
- 5
Create an Opening Gap
2 minPull up gently on the suction cup while pushing a thin plastic opening pick into the seam between the glass and the outer bezel.
- 6
Slice Left Edge Adhesive
2 minSlide the plastic pick carefully up along the left edge of the screen to cut through the softened adhesive.
- 7
Slice Right Edge Adhesive
2 minMove the pick to the right edge and slide it along the perimeter. Reapply heat if the pick meets heavy resistance.
- 8
Slice Bottom Edge Adhesive
2 minGently slice the adhesive along the bottom edge near the home button. Keep the pick inserted no deeper than 2 millimeters to avoid damaging internal cables.
- 9
Slice Top Edge Adhesive
2 minSlide the pick across the top edge near the earpiece speaker. Take extra care around the front-facing camera sensors.
- 10
Lift the Display Assembly
2 minCarefully pivot the display assembly upward from the top edge like a hood. Do not pull the screen completely away as it is still tethered by a flex cable.
- 11
Disconnect the Display Flex
1 minUse the flat edge of a spudger to pry the display connector straight up from its motherboard socket. Set the screen assembly aside.
- 12
Unscrew the Midframe
4 minRemove all visible Phillips screws from the plastic internal midframe shield using a Phillips #00 screwdriver.
- 13
Remove the Midframe Shield
2 minInsert a plastic pry tool under the edges of the midframe and carefully lift it out of the phone body.
- 14
Disconnect the Battery Cable
1 minUse a plastic spudger to pry the battery press connector straight up off the motherboard.
- 15
Apply Isopropyl Alcohol
2 minApply a few drops of high-concentration isopropyl alcohol into the gaps surrounding the battery. Wait 2 minutes for the adhesive underneath to weaken.
- 16
Pry Up the Battery
3 minInsert a flat plastic spudger beneath the battery side. Pry slowly upward to free the battery from the underlying chassis adhesive.
- 17
Remove the Old Battery
1 minLift the old battery out of its compartment. Handle it carefully to ensure it does not bend or puncture.
- 18
Clean the Battery Bay
2 minWipe away remaining adhesive residue inside the battery well using a lint-free cloth dampened with isopropyl alcohol.
- 19
Install New Battery Adhesive
2 minPlace new double-sided adhesive strips into the clean battery compartment and peel off the protective backing paper.
- 20
Position the Replacement Battery
2 minLower the new battery into the compartment, aligning its cable near the motherboard socket. Press down firmly on the battery body.
- 21
Connect the Battery Cable
1 minAlign the battery flex connector with the motherboard socket and press straight down until it clicks into place.
- 22
Reinstall the Midframe Shield
3 minPosition the plastic midframe over the motherboard assembly and press down until it sits flush. Fasten all Phillips screws securely.
- 23
Connect the Display Cable
1 minSnap the display flex connector back onto its corresponding motherboard port.
- 24
Apply New Display Adhesive
3 minLine the perimeter of the frame with pre-cut display adhesive strips. Remove the protective film layer.
- 25
Seal the Display Assembly
2 minAlign the glass screen with the phone body and press down firmly around all edges to seat the display securely.
After your Samsung Galaxy S7 Active battery replacement
Power the Galaxy S7 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 S7 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 S7 Active repair context in the encyclopedia, or open related DIY guides.
