3110mAh battery by Prio for replacing the factory battery of the iPhone 11. If your phone's battery now lasts only a very short time, drains suddenly after a call, has swollen, or no longer charges, it is time to replace it.
Modern smartphones do not make this process easy, as they can only be opened with special tools. It is recommended to contact a specialized technician, as any mistakes will result in problematic operation of the device.