iPhone 15 Battery 3349mAh Cracked with Battery Health, no authenticity message. Scheduled for optimal performance, installation is easy and ready to use immediately.

• 100% Battery Health instantly without the need for firmware registration.
• No warning messages after installation.
• Immediate installation without additional steps, just install and use.
• Fully compatible with iOS 18.3.

Note: The battery is not compatible with iOS 26.0 version. It is recommended to upgrade to iOS 18.5 if you have already upgraded to iOS 26.0.

Installation Instructions:

1. Update your device to iOS 18 version.
2. Go to Settings > General > About > Part & Service History.
3. Tap "Restart & Complete Repair" to activate the Repair Assistant.
4. Follow the on-screen instructions to complete calibration.
5. Once the process is finished, the battery health will display 100% without warning messages.

Notes: Your device must be connected to Wi-Fi. The battery level should be above 20%. If the process fails, restart your device and try again. Some functions may be affected until calibration is complete.