iPhone 15 series went official last week with significant upgrades in design as well as specifications. The lightning port that Apple has kept in its iPhone models since the iPhone 5 was replaced by a USB Type-C port this year. Besides this, the Cupertino-based company is reportedly using new battery settings for the latest lineup. With this feature, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max users will be able to limit…