The answer is: Due to the closed ecosystem of Apple iOS, even cell phone accessories need to be certified and supported by Apple.MFi (Made for iOS) certification is a kind of license mark that Apple authorizes the production of for accessory manufacturers.MFi is an acronym for Apple Made for iOS and is a kind of permission mark for Apple to use for the authorized production of accessory manufacturers.Apple accessories that have passed the MFi certification have certain restrictions on the quality of their components and production processes, and Apple will not provide an after-sales warranty for products damaged by using accessories that have not passed the certification. Apple data cables are used for data transfer, in addition to charging.
