iPhone 7G battery, one-year warranty

Description of the battery for iPhone 7G device, 12-month warranty. At Reesan Store. It is recommended to have the battery installed and replaced by a specialized person for your safety. It shows the battery charge level, but the battery health percentage in the settings does not appear. However, the battery works correctly, and the reason for the battery level percentage not appearing is due to a system from the device manufacturer. (A message appears on modern devices after changing the battery indicating that the device cannot verify the battery). Ignore this message and use the battery, and do not worry.