iOS Tip: Access a hidden test app on your iPhone

Apple has a hidden feature to all iPhones that tests the quality of your cell phone‘s single strength. To get it, do the following: 1.  Go in to the telephone section. 2.  Bring up the dial pad. 3.  Dial: *3001#12345#* 4.  Press the “Call” Button. The normal single bar will be replaced by a negative […]

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