Apple Battery For iPhone 12 Pro Max Without Error "Unknown Part" (No Swap)

On an iPhone 12 or later running iOS 18, it is possible to reuse an original Apple battery on another iPhone of the same model. The date of first use, capacity, and cycle count of your battery can be found in Settings > Battery > Battery Health. 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 the 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