Zamen | زامن
iPhone 7 and 7 Plus Exhibiting 'Hissing' Noises Under Load for Some Users
After the iPhone 7 and iPhone 7 Plus began arriving to the first round of pre-order customers on Friday, a few users noticed what's become known as a "hissing" sound emanating from the back of the device, where the Apple logo is located. The first reports began on Friday, but the occurrence gained ground when 512 Pixels' Stephen Hackett tweeted about it, posting a video with the "terrible noises" produced by his iPhone clearly audible, which he determined to be caused by heavy performance at the time.
See this content immediately after install