Apple iPhone 14 Battery – Diagnostic

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Key Features:
✔ 100% Battery Health – Fully compatible with iOS 18.3.
✔ No Pop-Up Warning – No battery pop-up messages after installation.
✔ Direct Installation – No extra steps, install and use immediately.


With the latest iOS 18.3 update, Apple has introduced Repair Assistant, a tool that allows users to calibrate new or used parts after replacement. This means that after installing a new battery, you can easily finish the repair process and display 100% battery health without pop-up warnings.


How to Run Diagnostics & Finish Repair for iPhone Battery
1. Ensure your device is updated to iOS 18
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


After completing this process, your battery will display 100% health, and there will be no pop-up warning about non-genuine parts.


Important Notes:
✔ Your iPhone must be connected to Wi-Fi
✔ Your battery level should be above 20%
✔ If the process fails, restart your device and try again
✔ If the repair is not finished, the part may not function optimally, and some features (Face ID, Touch ID) may not work until calibration is completed