Submit your resume. IPhone is a series of mobile phones with iOS operating system released by AppleInc As of April 20021year, Apple has released 24 mobile phone products, including iPhone 13, iPhone 13Pro, iPhone 13ProMax and so on. Customer service applicants should submit resumes. The mute button of iPhone series products is on the left side of the front of the device. The previous iPhone was equipped with the Home button, while the latter iPhone cancelled the physical Home button.