Last week we discovered that Apple is doing its best to deter you from replacing your iPhone's battery at any service center that isn't authorized by it for that purpose. Regardless of whether you'd replace your battery at a third-party service center with a non-official part, or even an official Apple battery, once you'd turn on the iPhone you'd keep seeing an error message in Settings. Like this: Today Apple has responded to the controversy surrounding this tactic, saying the following, in a statement sent to iMore: We take the safety of our customers very seriously and want to...
Source: https://www.gsmarena.com/apple_responds_to_iphone_battery_replacement_controversy-news-38691.php