New compatible battery with adhesive for iPhone 14 Pro Max, supporting diagnostics after replacement.

1. After installation, the battery health displays 100% with the message “Unknown Part.”

2. Go to Settings > General > About > Parts and Service.

3. Tap Restart and Complete Repair to launch the Repair Assistant.

4. The status will update to “Used Part” – no further steps are required.

The newly released diagnostic-compatible battery is designed to solve Apple battery pop-up notifications and power display issues. After installation, the battery level will correctly show 100%, preventing the "Unknown Part" alert. Running a diagnostic will update the status to "Used Part," eliminating the need for flashing—simple and efficient.

Important Notice:

The diagnostic function is guaranteed to work only on the system version available on the date of sale. If future system updates affect diagnostic compatibility, this will not be covered under the warranty.