Apple will try to reduce the battery drain and performance issues that have affected some iPhone 11 devices by refurbishing the batteries in an upcoming update (Via Macroemers). According to An Apple Support Document, The process will happen when you upgrade iPhone 11, 11 Pro or 11 Pro Max to the upcoming iOS 14.5.
This may take a few weeks Battery health system According to the document, find out how much capacity your battery has left and how much performance it can provide. Users may not notice much difference during operation, however there will be a message explaining what is going on in the Battery Health section of the Settings menu.
This process is currently being tested in the latest release of Developer Beta, but since Apple already has a support page, there is a good chance it will be developed in the final release. If the reset fails, for some reason, Apple says so or an authorized service provider will replace the battery for free. If you’ve had battery issues with your iPhone 11, this process will help alleviate them when 14.5 is finally released.
It’s not uncommon for Apple to release a document before a battery change occurs. The company is very transparent when making changes from the power delivery system of the iPhone itself Triggered the performance of older iPhones To protect the battery.