TestM iPhone testing app. OK, with that out of the way, the diagnostic mode offers 26 tests, which range from testing the cameras, touchscreen, microphone, and even the haptic engine, to a
A viral YouTube video explains how a "secret sub-menu" on your iPhone can turn your signal bars into numbers so you can see when your signal is getting better or worse. In the voice over users are instructed to go to their iPhone keypad and enter the code: "*3001#12345#*". One you've typed out all those symbols and numbers you then click the
How to scan a QR code on iOS: Use your device's camera. (Image credit: Apple) Scanning a QR code on iOS and iPad OS is really as simple as launching the Camera app and aiming the lenses at the
One of the best new features in IOS 14 is the "recording indicator" that will show you via a small dot above the battery icon if an app is currently accessing your camera (green) or microphone
Here are the quick steps to test the light on the iPhone: Step 1: Open a black photo and open the camera app. Step 2: Cover the shot quickly and increase the screen brightness to the maximum. Step 3: Check the edges to see if the screen is open. If it still exhibits a dark edge, the screen is okay.
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