iPhone X-12 Battery Message Pop-up Issue Fixed: A Detailed Guide

Apple encrypts the battery of iPhone XS and above, resulting in pop-up messages after battery replacement. This Phonefix guide provides a step-by-step solution to remove the "Important Battery Message" on iPhone XS, 11, and 12 series.

iPhone XS Solution

It is important to properly align the BMS board with the new battery cell before spot welding and to follow the instructions carefully when recalibrating cycle times and battery efficiency.

Additionally, specialized tools such as a heat gun, tweezers, and pry tool are necessary for disassembling and reassembling the phone.You can buy professional tools at PHONEFIX for a very good price.

iPhone 11/12 Series Solution

1. Use a Pentalobe screwdriver to remove the screws and lift the display assembly to access the battery connector.

2. Use an iOpener or heat gun to soften the adhesive securing the battery in place.

3. Insert a plastic card or pry tool between the battery and rear case and gently pry up to separate the adhesive.

4. Disconnect the battery connector from the logic board. Remove the original battery from the phone.

5. Use a soldering iron to carefully detach the BMS board from the original battery, taking care not to damage the board. 6. Align the BMS board with the new battery cell and use a soldering iron to attach it to the new battery cell.

7. Use an electric tape to cover the exposed solder joints.

8. Install a specialized PCB board to read the data, connect the battery to a programmer. Recalibrate cycle times and battery efficiency with a Direct Current Supply and Battery Data Corrector. 9. Install the new iPhone 12 battery and check the battery health information in "Settings".

Main Difference Between the iPhone XS and 11/12 Series

The main difference between the iPhone XS and 11/12 series when it comes to battery replacement is the method of encryption used to secure the battery data. The battery data for iPhone XS is encrypted and stored on the battery itself, which requires the use of a Spot Welder to transfer the BMS board to the new battery cell.

On the other hand, the battery data for iPhone 11/12 series is encrypted and stored on the phone's logic board, which requires the use of a specialized PCB board to read the data and recalibrate cycle times and battery efficiency.

Additionally, the physical design of the phones is slightly different, so the removal and replacement process may vary slightly as well. For example, the iPhone XS has a smaller display and fewer screws compared to the iPhone 11/12 series.

Overall, both solutions require careful handling and precise calibration to ensure safe and efficient operation after battery replacement.

Conclusion

By following the steps outlined in this guide and utilizing the appropriate tools and equipment, you can successfully remove the battery pop-up messages on your iPhone XS, 11, or 12 series and replace their batteries with confidence.