Phone · Samsung · Galaxy S4 Mini
Samsung Galaxy S4 Mini Battery Replacement
Battery Replacement guide for the Samsung Galaxy S4 Mini
Before you begin
Tools
- Anti-static wrist strap
- Clean workspace mat
- Plastic prying tools
- Precision tweezers
Parts / materials
- Replacement Samsung Galaxy S4 Mini battery
- Isopropyl alcohol
- Cotton swab
Safety
- Always power off the phone completely before removing or replacing the battery.
- Do not bend, puncture, or apply excessive force to the lithium-ion battery.
- Dispose of old batteries properly at an authorized electronic waste recycling center.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the Power button on the right side of the phone until the menu appears. Select Power Off and wait for the screen to go completely dark.
- 2
Attach Anti-Static Strap
1 minSecure an anti-static wrist strap to your wrist and connect the clip to a grounded metal object. This prevents electrostatic discharge from damaging internal electronics.
- 3
Locate Rear Cover Notch
1 minFind the small opening notch on the top edge of the back cover. This slot allows access for prying tools.
- 4
Unsnap Top Edge of Cover
1 minInsert a plastic prying tool or fingernail into the top cover notch. Carefully twist upward to release the initial plastic clips.
- 5
Unclip Sides of Back Cover
2 minSlide the plastic prying tool down along the left and right edges of the phone. Press outward gently to disengage all perimeter clips.
- 6
Lift Off Back Cover
1 minGrasp the loosened rear panel and lift it away from the phone body. Place the cover aside on your clean workspace mat.
- 7
Locate Battery Release Notch
1 minFind the small recessed notch located at the bottom edge of the battery compartment.
- 8
Pry Battery Upward
1 minInsert a plastic prying tool into the bottom battery notch. Pry upward to lift the bottom of the battery out of its recess.
- 9
Remove Old Battery
1 minGrasp the raised edges of the battery with your fingers and pull it out of the compartment. Store the old battery safely away from heat and metal.
- 10
Inspect Terminal Pins
1 minExamine the four gold connector pins inside the phone battery bay for dust or bent contacts.
- 11
Clean Terminal Contacts
2 minDampen a cotton swab slightly with isopropyl alcohol. Gently wipe the metallic contact pins to remove any residue or oxidation.
- 12
Align New Battery Contacts
1 minPosition the replacement battery over the bay. Line up the battery's gold contacts with the matching spring pins in the top right of the compartment.
- 13
Insert New Battery
1 minPress the contact side of the battery down first, then push the bottom end into the recess until it sits flat.
- 14
Position Rear Cover
1 minAlign the plastic back cover over the back of the device, matching up the camera and speaker cutouts.
- 15
Snap Rear Cover Closed
1 minApply firm pressure around the outer edges of the back cover with your thumbs. Ensure every retaining clip clicks securely into place.
- 16
Power On and Test
2 minPress and hold the Power button until the device vibrates and boots up. Connect a micro-USB charger to verify that the new battery accepts a charge.
After your Samsung Galaxy S4 Mini battery replacement
Power the Galaxy S4 Mini 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 S4 Mini 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 S4 Mini repair context in the encyclopedia, or open related DIY guides.

