My iPhone's battery is not genuine
May phone’s battery is not genuine!!
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There are two parts to the battery of your iPhone. There's the actual battery, which stores and distributes power to the other components, and there's the Battery Management System (BMS) board, which communicates battery data to the logic board (such as battery percentage and battery health). This alert is generated by the BMS board in your iPhone. There are two things that could be causing this notification.
- Someone replaced the battery in your phone with one that is not genuine, or the BMS board has been modified
- The BMS board or logic board has a fault which causes a false notification
If the battery is actually non-genuine, depending on the quality, it may affect the device's performance, pose a safety risk, or prevent the device from working at all. When getting your battery replaced, be careful to avoid low-quality parts. It's recommended to only have it replaced by Apple or an Apple Authorised Service Provider, as they will provide a genuine battery that will be properly compatible.
About genuine iPhone batteries - Apple Support
iPhone Battery Repair & Replacement – Apple Support (AU)