Phone · Samsung · Galaxy A04
Samsung Galaxy A04 Battery Replacement
Battery Replacement guide for the Samsung Galaxy A04
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- SIM card ejector tool
- Plastic spudger
- Plastic pry card
- Precision tweezers
- Anti-static wrist strap
Parts / materials
- Replacement battery for Samsung Galaxy A04
- Pre-cut battery adhesive strips
- 99% Isopropyl alcohol
- Lint-free cleaning cloth
Safety
- Discharge the original battery below 25% to minimize the risk of fire or thermal runaway.
- Do not use sharp metal tools or puncture the lithium-ion battery.
- Wear safety eye protection to guard against potential chemical spills or debris.
- Always disconnect the battery before working near electrical components.
Overview
Step-by-step
- 1
Power down the device
1 minPress and hold the Power button, then tap Power Off on screen to shut down completely.
- 2
Remove the SIM tray
1 minInsert a SIM eject tool into the pinhole next to the SIM tray and push to eject it.
- 3
Insert opening pick
1 minInsert a plastic opening pick between the display assembly and the rear plastic cover near the SIM slot.
- 4
Unclip back cover
2 minSlide the pick around all four edges of the device to release the plastic internal clips.
- 5
Detach back cover
1 minLift the rear cover away from the phone body and set it aside.
- 6
Unscrew motherboard cover
2 minRemove the Phillips #00 screws securing the top plastic motherboard shield.
- 7
Remove motherboard cover
1 minPry up the edge of the plastic motherboard cover using a spudger and remove it.
- 8
Disconnect battery cable
1 minUse a plastic spudger to pry the battery press connector straight up off the motherboard.
- 9
Unscrew lower speaker enclosure
2 minRemove the Phillips #00 screws holding down the lower speaker assembly.
- 10
Remove speaker enclosure
1 minLift the speaker enclosure away from the bottom frame using plastic tweezers.
- 11
Disconnect main flex cable
1 minDisconnect the main interconnect flex cable bridging the motherboard and sub-board.
- 12
Apply adhesive remover
1 minDrip a small amount of high-concentration isopropyl alcohol around the edges of the battery well.
- 13
Wait for adhesive softening
2 minLet the phone sit flat for two minutes to allow the alcohol to soften the underlying battery glue.
- 14
Insert spudger under battery
1 minSlide a flat plastic pry tool or card under the side edge of the battery.
- 15
Pry up old battery
2 minGently lever the battery upward, working evenly around the edges without bending the cell.
- 16
Remove old battery
1 minLift the degraded battery out of the chassis and set it on a non-flammable surface.
- 17
Clean battery compartment
2 minWipe away remaining adhesive residue inside the frame using isopropyl alcohol and a lint-free cloth.
- 18
Apply replacement adhesive
2 minLay down double-sided battery adhesive strips squarely onto the empty battery compartment frame.
- 19
Install new battery
1 minSet the new battery into the cavity and press down gently to adhere it securely.
- 20
Reconnect main flex cable
1 minAlign and press the main interconnect ribbon cable down onto the sub-board and motherboard sockets.
- 21
Reconnect battery connector
1 minSnap the new battery's flex connector back onto the motherboard socket.
- 22
Reinstall motherboard cover
2 minPosition the top plastic shield and secure it with its Phillips #00 screws.
- 23
Reinstall speaker enclosure
2 minAlign the lower speaker housing over the sub-board and tighten the Phillips screws.
- 24
Snap back cover closed
2 minAlign the back cover over the frame and press firmly around all edges until it clicks shut.
- 25
Reinsert SIM tray
1 minSlide the SIM tray back into the slot on the side of the phone.
After your Samsung Galaxy A04 battery replacement
Power the Galaxy A04 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 A04 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 A04 repair context in the encyclopedia, or open related DIY guides.
