Good morning, when you call the speaker and microphone does not work, when you connect headphones neither I nor I can not hear, when you call it is not possible to turn on the speakerphone, periodically it is not possible to turn on wi-fi, does not turn on the modem mode.
Unfortunately, this indicates a hardware failure with your iPhone that will require that it be replaced.
If the microphones on your iPhone, iPad, and iPod touch aren't working - Apple Support
If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker
Make an appointment at the Apple Genius Bar for service. If you need to find an Apple Store - Find a Store - Apple. Also, see How to find your nearest Apple Authorized Service Provider (AASP) or Distributor (AAD).
"Your Apple-branded or Beats-branded hardware product (“Product”) is warranted against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase (“Warranty Period”) when used in accordance with Apple`s user manuals (refer to www.apple.com/support/country). Under this warranty, you will be able to direct your claims to Apple even in situations where you purchased the Apple Product from a third party.” [Apple One (1) Year Limited Warranty – Accessory - For Apple and Beats Branded Products Only.]
does not work the speaker and microphone when calling on iphone 7 plus
