Apple iPhone 16 Battery
After installing the Diagnostic battery, the repair is completed quickly, and the battery shows 100% health.Compatible with iOS 26.1, it eliminates pop-up warning messages and ensures optimal performance.Installation is simple – just install and use the phone immediately.

Features:
– Original BMS board does not need to be soldered or attached; this protection board can be discarded or kept- Battery health is directly 100%, without the need to rewrite the firmware- No Warning Messages – No battery notifications appear after installation- Direct Installation – No additional steps, install and use immediately- Full compatibility with iOS 26.1
Info! Installation must be performed by an authorized person from a GSM service center. Otherwise, it will lead to loss of product warranty.Apple has introduced Repair Assistant, an innovative tool that allows calibration of new or used parts after replacement.

Battery configuration instructions:

1. Make sure your device is updated to the latest version of iOS.

2. Go to Settings > General > About > Parts & Service History.

3. Tap “Restart & Finish Repair” to activate Repair Assistant.

4. Follow the on-screen instructions to complete the calibration.

5. After completing the process, the battery health will be displayed at 100%, without warning messages about non-original parts.

Notes:

• iPhone must be connected to Wi-Fi.
• Battery level must be above 20%.
• If the process fails, restart the device and try again.
• If the repair is not completed, certain functions (Face ID, Touch ID) may be affected until calibration is finished.