How to Turn Off Noise Cancellation on iPhone 5
The phone noise cancellation feature on iPhone devices, reduces the environment noises to improve calling quality. To turn on / turn off noise ...Continue
By default, there is a click sound when you lock your iPhone and this click sound on lock screen can be easily disabled. To turn off lock sound on iPhone 5, iPhone 6S and other iPhone devices, do as follows:
1. Open the Settings application
2. Find the Sound settings and open it
3. Scroll down (almost at the end of the page) and make sure to disable lock sounds option, so the click sound will be gone.