Now Reading: Samsung Galaxy A04 Battery Replacement Guide ( A04e | M04 | F04 | A04s )
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Samsung Galaxy A04 Battery Replacement Guide ( A04e | M04 | F04 | A04s )
Samsung Galaxy A04 Battery Replacement Guide ( A04e | M04 | F04 | A04s )
If your Samsung Galaxy A04 battery drains quickly, overheats, shuts down randomly, or no longer holds a proper charge, replacing the battery can restore the phone’s performance and extend its lifespan. Over time, lithium-ion batteries naturally degrade due to charging cycles, heat exposure, and daily usage.
In this repair guide, we will walk you through a safe and detailed step-by-step battery replacement procedure for the Samsung Galaxy A04. Whether you are a beginner or experienced technician, following the correct method helps prevent damage to internal components such as the display connector and motherboard.
Always work carefully using proper repair tools and avoid applying excessive force during disassembly.
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Reasons for Samsung Galaxy A04 Battery Replacement
You may need to replace the battery if you experience:
- Fast battery draining even after full charging
- Phone shutting down unexpectedly
- Battery swelling or back cover lifting
- Device overheating during normal use
- Charging percentage jumping suddenly
- Phone not turning on without charger connected
Repair Difficulty ⭐⭐⭐☆☆ (Moderate)
- Device Type: Smartphone
- Device Model: Samsung Galaxy A04
- Repair Type: Battery Replacement
- Estimated Repair Time: 25 — 40 Minutes
This repair requires opening the back cover and disconnecting internal connectors. Careful heating and adhesive removal are necessary to safely remove the battery.
Before You Begin
Compatibility and Model Numbers
- Samsung Galaxy A04
- Samsung Galaxy M04*
- Samsung Galaxy F04*
- Samsung Galaxy A04e*
- Samsung Galaxy A04s*
This repair guide based on Samsung Galaxy A04 Model.
*Please note that there are some internal changes. Make sure to pay close attention during the repair.
Model Numbers | SM-A045F, SM-A045F/DS, SM-A045M, SM-A047F, SM-A047F/DS, SM-A047F/DSN, SM-A047M, SM-A042F, SM-A042F/DS, SM-A042M, SM-A042M/DS, SM-E045F, SM-E045F/DS, SM-M045F, SM-M045F/DS
Tools Required
- Mobile phone heating pad or hairdryer/heat gun
- Plastic pry tool / card pry
- Suction cups
- Phillips #00/#000 screwdrivers
- Flat Screwdriver (Handy For Connectors)
- Tweezers (for connectors)
- B7000 glue or double-sided adhesive (for back cover)
- Rubber bands or bonding clips to secure the back cover
Using proper tools reduces the risk of damaging the phone.
How to Find Tools and Parts
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- STREBITO 142 Piece Repair Tool Kit https://amzn.to/3UO1jUx
- Glue | Adhesive https://amzn.to/46exVxe
- Compatible Parts (Galaxy A04) –
- Battery – https://amzn.to/3N66FKA
- Screen – https://amzn.to/3OMAekQ
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- Compatible Parts (Galaxy A04s) –
- Battery – https://amzn.to/3MIOVF3
- Screen – https://amzn.to/4u3ecus
- Other Parts – https://amzn.to/46wTeKd
- Silicone Work Repair Mat https://amzn.to/45Emz5l
Samsung Galaxy A04 Battery Replacement — Step-by-Step Guide
Step 1 — Power Off and Remove SIM Tray
Completely power off the Samsung Galaxy A04 before starting the repair.
Remove the SIM tray using a SIM ejector tool to prevent damage when removing the back cover.
Step 2 — Remove the Back Cover
Create a small gap near the SIM slot area or charging port using a plastic pick or card pry tool.
Insert the pry tool carefully between the back cover and frame.
Slowly slide the tool around the edges of the phone to release the plastic clips securing the back cover.
Once all clips are released, gently lift and remove the back cover from the device.
Step 3 — Remove Board Bracket Screws
Locate the board protection bracket covering the connectors.
Remove the ten Phillips screws securing the bracket.
Carefully lift and remove the bracket from the phone.
Step 4 — Disconnect Battery and LCD Connector
Disconnect the battery connector from the motherboard using a plastic pry tool.
Next, disconnect the main LCD connector carefully to avoid accidental short circuits during battery removal.
Step 5 — Prepare for Battery Removal
Move the LCD ribbon cable safely aside to prevent damage.
Apply controlled heat using a heat gun or heating pad to soften the adhesive underneath the battery.
Avoid overheating one area for too long.
Step 6 — Remove the Battery
Insert a plastic card pry tool under the battery once the adhesive becomes soft.
Carefully slide the card underneath to cut through the adhesive.
Once enough space is created, gently lift and remove the battery from the phone.
Do not bend or puncture the battery during removal.
Step 7 — Install the New Battery
Apply fresh adhesive inside the battery compartment.
Place the new battery carefully into position.
Ensure the battery sits flat inside the housing.
Step 8 — Reconnect Connectors
Reconnect the LCD connector securely to the motherboard.
Reconnect the battery connector.
Make sure both connectors are properly aligned before pressing down.
Step 9 — Reassemble the Phone
Reinstall the board bracket and secure it using the ten screws removed earlier.
Align the back cover and press firmly around the edges to snap the clips back into place.
Reinsert the SIM tray.
Power on the device and confirm normal operation.
Frequently Asked Questions (FAQ)
Q1. Is Samsung Galaxy A04 battery replacement safe at home?
Yes. With proper tools and careful heating, this repair can be safely completed at home or in a repair workshop.
Q2. Do I need to disconnect the LCD connector?
Disconnecting the LCD connector reduces the risk of short circuits and protects the display during battery removal.
Q3. Can I reuse the old battery adhesive?
No. Always use new adhesive to ensure the battery remains securely fixed inside the device.
Q4. Why is heating required during battery removal?
Heating softens the adhesive underneath the battery, allowing safe removal without bending or damaging it.
Q5. Will replacing the battery improve performance?
Yes. A new battery often improves standby time, charging stability, and overall device reliability.
Troubleshooting After Battery Replacement
Q1. Phone does not turn on after repair?
Check whether the battery connector is properly secured to the motherboard.
Q2. Device shows no charging indication?
Reconnect the battery plug and confirm the charging port cable was not disturbed during repair.
Q3. Back cover does not close properly?
Make sure internal cables are not trapped and the battery sits flat inside the housing.
Q4. Screen not working after reassembly?
Reconnect the LCD connector carefully and check for dust or misalignment.
Q5. Phone heats up after battery replacement?
Verify you installed a compatible replacement battery and check for connector damage
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