Tablet · Samsung · Galaxy Tab S9
Samsung Galaxy Tab S9 Battery Replacement
Battery Replacement guide for the Samsung Galaxy Tab S9
Before you begin
Tools
- Heat gun or hair dryer
- Suction cups
- Guitar picks for prying
- Plastic prying tools
- Precision screwdriver set
- Tweezers
- Clean workspace mat
Parts / materials
- Samsung Galaxy Tab S9 replacement battery
- Battery adhesive removal strips
- Pre-cut display adhesive strips
- Isopropyl alcohol (90%+)
Safety
- Power off the device completely before beginning any disassembly.
- Wear safety glasses while applying heat to prevent glass injury.
- Avoid using metal tools around the lithium-ion battery to prevent punctures or short circuits.
- Work in a well-ventilated area when using high-concentration isopropyl alcohol.
Overview
Step-by-step
- 1
Power Off the Tablet
1 minPress and hold the Power and Volume Down buttons, then tap Power Off on the screen.
- 2
Heat the Display Edges
2 minUse a heat gun on low setting to warm the outer perimeter of the screen for two minutes to soften the adhesive.
- 3
Attach Suction Cup
1 minPlace a suction cup on the lower edge of the display near the USB-C port and press down to create a seal.
- 4
Insert Opening Pick
2 minPull up on the suction cup to create a small gap, then slide a thin plastic opening pick under the glass.
- 5
Slice Bottom Adhesive
2 minSlide the pick slowly along the bottom edge of the device to cut through the screen adhesive.
- 6
Slice Right Adhesive
2 minGuide the pick around the bottom-right corner and move along the right side of the frame.
- 7
Slice Top Adhesive
2 minContinue slicing along the top edge of the display, being careful near the front camera array.
- 8
Slice Left Adhesive
2 minSlide the pick down the left side of the tablet to complete severing the perimeter adhesive.
- 9
Lift the Display Panel
2 minGently hinge the display open from the left side like a book cover.
- 10
Unscrew Connector Shield
2 minUse a Phillips #00 screwdriver to remove the small metal bracket covering the display cable connectors.
- 11
Disconnect Display Cables
2 minUse a plastic spudger to pop the display flex cables straight up from their motherboard sockets.
- 12
Remove Mainframe Screws
3 minUnscrew all Phillips screws securing the internal plastic midframe and shield array.
- 13
Remove Midframe Shield
2 minLift the midframe piece out of the chassis to expose the battery and mainboard.
- 14
Disconnect the Battery
1 minLever the battery press connector off the motherboard using a non-conductive plastic spudger.
- 15
Apply Isopropyl Alcohol
2 minDrip high-concentration isopropyl alcohol along the top and bottom margins of the battery casing.
- 16
Softener Wait Time
2 minAllow the isopropyl alcohol to sit for two minutes so it can dissolve the strong factory adhesive.
- 17
Pry Up the Battery
3 minInsert a flat plastic card under the bottom edge of the battery and lift gently.
- 18
Remove Old Battery
1 minLift the degraded battery straight out of the tablet chassis and set it aside for recycling.
- 19
Clean Chassis Recess
3 minWipe away residual battery glue and display adhesive using a lint-free cloth dampened with isopropyl alcohol.
- 20
Apply New Battery Adhesive
2 minLay down fresh double-sided adhesive strips inside the battery compartment.
- 21
Install Replacement Battery
2 minPosition the new battery over the recess and press firmly down into the adhesive.
- 22
Connect New Battery
1 minSnap the battery flex cable terminal onto its motherboard header until it clicks.
- 23
Reinstall Internal Midframe
3 minPlace the midframe shield back over the board and secure it with the reserved screws.
- 24
Reconnect Display Cables
3 minAttach the display ribbon cables to the motherboard and reinstall the metal protective bracket.
- 25
Apply Display Adhesive
3 minPlace pre-cut adhesive tape around the perimeter of the tablet aluminum enclosure.
- 26
Reseal Display Assembly
2 minAlign the screen panel over the chassis and press firmly along all edges to secure the seal.
After your Samsung Galaxy Tab S9 battery replacement
Power the Galaxy Tab S9 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 Tab S9 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Tab S9 battery replacement at LML Repair in Seattle — same-day options available.
