iPhone 12 mini Battery
Before You Begin
Warning
A battery should be replaced only by individual technicians with the knowledge and experience to repair electronic devices. Improper battery replacement, improper handling of parts, or failure to follow the provided instructions could result in fire, injury, data loss, or damage to the device, parts, or other property.
Read Battery Safety and follow workspace and battery handling guidelines before you begin.
Remove the following part before you begin:
Tools
5.4-inch repair tray
Battery press
ESD-safe cleaning solution
ESD-safe tweezers
Ethanol wipes or isopropyl alcohol (IPA) wipes
Heat-resistant gloves
Nitrile or lint-free gloves
Nylon probe (black stick)
Safety glasses with side shields
Sand
Sand container
![](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/ssr/iphone-12-mini/100459-battery/001-RP1663_Locator_V2.jpg)
Caution
To avoid damaging the lenses, don’t touch the TrueDepth camera assembly or nearby parts.
![](https://cdsassets.apple.com/live/SZLF0YNV/service-documentation/ssr/iphone-12-mini/100459-battery/Camera_Locator_Highlight.png)
Caution
This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, follow the instructions to initiate System Configuration.
Removal
Place the enclosure in the repair tray with the Lightning connector facing the cutout.
Use ESD-safe tweezers to grasp the bottom right battery adhesive tab and gently peel it from the battery.
Warning: Don’t scrape or puncture the battery with the tweezers.
Important: Peel the adhesive tab completely away from the battery before continuing to step 3.
Hold down the iPhone. Use ESD-safe tweezers to grasp the battery adhesive tab. As the strip stretches, twist the tweezers to wrap the battery adhesive around them.
Important
Hold the tweezers close and parallel to the battery as you twist.
Ensure that the white adhesive is wrapped around the tweezers before you start to pull the adhesive strip.
Pull the tweezers outward at a 45-degree angle and continue to twist the adhesive strip until you’ve removed the entire strip.
Important: If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat steps 3 and 4 before continuing to step 5. If you can’t see the tab or strip, continue to step 5.
Use ESD-safe tweezers to grasp the bottom left battery adhesive tab and gently peel it away from the battery.
Important: Peel the adhesive tab completely away from the battery before continuing to step 6.
Repeat steps 3 and 4 to remove the bottom left adhesive strip from the battery. If you remove the entire strip, continue to step 7.
Important: If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat steps 3 and 4. If you can’t see the tab or strip, continue to step 7.
Rotate the repair tray and put on the nitrile or lint-free gloves.
Use ESD-safe tweezers to gently peel the two battery adhesive tabs from the top of the battery.
Hold down the iPhone. Use ESD-safe tweezers to grasp one battery adhesive tab and slowly pull it outward. Twist the tweezers to wrap the battery adhesive strip around them.
Important
Hold the tweezers close and parallel to the battery as you twist.
Don’t pull the tweezers until the white adhesive is wrapped around them.
As the adhesive strip stretches, continue to slowly pull and twist the tweezers until you’ve removed the entire strip.
Important: If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat step 10. If you can’t see the tab or strip, continue to step 11.
Repeat steps 9 and 10 to remove the remaining battery adhesive strip from the top of the battery. If you remove the entire strip, continue to step 12.
Important: If the battery adhesive tab or strip breaks off and you can still see it, attempt to retrieve it with the tweezers. Wrap the tab or strip around the tweezers and repeat step 10. If you can’t see the tab or strip, continue to step 12.
If all four battery adhesive strips were fully removed, continue to step 14. If at least one strip was fully removed, continue to step 13.
- Warning: If all four strips were broken and can’t be retrieved, don’t forcibly pry the battery. Stop the repair. You can find a service option at
Insert the flat end of the black stick only into one of the insertion points as shown. Ensure that the black stick is inserted into a point where the battery strip has been fully removed. Don’t insert the black stick into a point where the battery tab or strip is broken.
Caution: When using the black stick to remove the battery from the enclosure, don’t damage the flex cables. Don’t scrape, rip, tear, or otherwise damage the polyester film or other areas. If damage occurs, replace the iPhone.
Slightly lift the battery with the black stick just enough to grasp underneath the battery.
Caution: To avoid damage, don’t press the black stick on the edge of the enclosure as you lift the battery.
Remove the battery from the enclosure. Then inspect the enclosure for damage. If the enclosure is damaged, replace the iPhone.
- Warning: If you can’t remove the battery, stop the repair. You can find a service option at
Reassembly
Use ethanol wipes or IPA wipes on the area shown in blue to remove any remaining adhesive from the enclosure.
Caution: Don’t use ethanol wipes or IPA wipes on the areas shown in red. Ethanol or isopropyl alcohol may damage the polyester film and wireless charging unit.
Warning: Inspect the enclosure for loose or extra screws and small parts, which can damage the battery and cause safety issues.
Peel the pink release liner from the underside of the replacement battery.
Important: Don’t remove the battery protective cover from the top of the battery yet.
Hold the battery over the enclosure with the protective cover faceup. Align the top of the battery with the cameras (1) and the left edge with the logic board (2). Then lower the battery into the enclosure.
The center of the repair tray has a slot. Position the repair tray and enclosure onto the battery press with the slot over the pin.
Flip down the red lever at the top of the battery press to lower the roller onto the battery.
Slide the repair tray back and forth through the battery press three times to adhere the battery to the enclosure.
Flip up the lever.
Remove the repair tray from the battery press.
Hold the edges of the protective cover. Pull the release tabs on the protective cover to remove the cover from the battery.
Important: Don’t press the area over the tab you’re releasing.
Reinstall the following part to complete reassembly:
Warning
Gently shake the iPhone. If the battery sounds loose, remove the display and the battery. Then complete battery reassembly with another replacement battery.
Important
A new battery is not charged. After you’ve completed all removal and reassembly steps, charge the device for a few minutes.
Caution
After you’ve completed all removal and reassembly steps, initiate System Configuration by putting the device into diagnostics mode. Tap Start Session and follow the onscreen prompts.
You’ll have one attempt to complete System Configuration. If the attempt is interrupted, canceled, or encounters an error, the device will display a message instructing you to contact the Self Service Repair Store team for assistance.