A Comprehensive Guide to Replacing Your iPhone 12 Mini's Battery

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If your iPhone 12 Mini is suffering from battery issues, such as a shorter lifespan, it may be necessary to replace the battery. Not only will a new battery boost performance, but it'll also increase its overall longevity. Follow our guide for a step-by-step process on how to replace your iPhone 12 Mini battery.

Tools Needed

Before you begin, it's important to have the right tools on hand:

  • Pentalobe screwdriver
  • Phillips screwdriver
  • Spudger
  • Tweezers
  • Suction cup
  • Pry tool
  • iPhone 12 Mini Battery
  • REFOX RP30 Battery Detection Module & Tag-on Cables
  • REPART iPhone Battery Cell Replacement - Standard Capacity
  • Mobile Phone Battery Welding Fixture
  • Cell Phone Screen Holder
  • Ceramic Scissor
  • Grinding Pen
  • Qianli Spot Welder

All of these tools and parts are available at the China Phonefix Shop.

The Old Steps to Replace Your iPhone 12 Mini's Battery

Here's a step-by-step process for replacing the battery in your iPhone 12 Mini:

Step 1: Remove the screws

  1. Turn off your iPhone 12 Mini and remove the two screws located at the bottom edge of the phone using a Pentalobe screwdriver.

Step 2: Separate the display assembly

  1. Use a suction cup to lift the display assembly away from the rear case and use a spudger to gently separate the display assembly from the rear case.

Step 3: Disconnect the battery connector

  1. Remove the five screws that secure the battery connector bracket using a Phillips screwdriver and then remove the bracket.
  2. Use a spudger to disconnect the battery connector from the logic board.

Step 4: Remove the battery

  1. Remove the adhesive strips that hold the battery in place using a pry tool.
  2. Use a spudger to gently pry the battery up from the adhesive securing it to the iPhone and remove it from the phone.

Step 5: Install the new battery

  1. Install the new battery by following these steps in reverse order.

Using the REFOX Pre-programmed Battery Tag-on Flex Cable

An alternative method for replacing your iPhone 12 Mini's battery is to use the REFOX pre-programmed battery tag-on flex cable.

To efficiently restore battery health and cycle time, the new REFOX pre-programmed battery tag-on flex is used. The method for iPhone 12 Mini battery cell replacement involves transplanting the original Battery BMS board to solve the pop-up message and ensure that the phone detects the same battery code after replacement.

With the REFOX pre-programmed battery tag-on flex, it is now possible to reboot directly after connecting it without requiring a power cable or the same type of battery to start up.

Here are the steps:

Step 1: Remove the old battery and BMS board

  1. Remove the old battery and BMS board using the REFOX RS52 Cell Phone Screen Holder and ceramic scissors.

Step 2: Settle the leads and solder them

  1. Grind the solder point using a grinding pen and then settle the cathode lead and anode lead under the BMS board in the welding clamp fixture. Solder them with the Qianli spot welder, fold them well, and put them on the protection bracket.
    Wrap another layer of protection tape around the outside and connect the tag-on flex to the battery.

Step 3: Install the new battery and BMS board

  1. Install the new battery and BMS board into your iPhone 12 Mini and turn it on. You no longer need to connect the power cable or use the same type of battery to boot up.

Step 4: Check Battery Health

4. Click "Settings>Battery>Battery Health & Charging" and then check the battery condition. You should see that the maximum capacity is 100%.

Frequently Asked Questions

Here are some answers to common questions about replacing your iPhone 12 Mini's battery:

  • Can I replace the battery myself?
    • Yes, but it requires technical skill and experience. If you're not confident in your ability to replace the battery, seek professional help.
  • Where can I buy replacement parts?
    • You can purchase replacement parts at the PHONEFIX Shop.
  • Is it safe to replace the battery myself?
    • If you have the proper tools and follow safety precautions, replacing the battery can be safe.
  • How long does it take to replace the battery?
    • It can take between 60-90 minutes to complete the replacement.
  • Do I need to be authorized by Apple to replace the battery?
    • No, you do not need to be authorized by Apple, but using unauthorized parts may void your warranty.

Conclusion

By replacing the battery in your iPhone 12 Mini, you can boost its performance and increase its lifespan. Although the process can be complex, following our guide or utilizing the REFOX pre-programmed battery tag-on flex cable can help you complete it successfully.

Remember to take safety precautions and use the appropriate tools to avoid damaging your device. At China Phonefix, we are dedicated to providing effective techniques and products for repairing mobile devices. If you have any comments or questions, feel free to leave them below.

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