iphone field test

iPhone Field Test

by leeannm on July 4, 2011

in How do I...

The iPhone Field Test mode is a great tool to check your iPhone’s signal strength as well as a bunch of other information such as Cell Information.

To access the field test, go into the phone Application and enter *3001#12345#* then tap Call.

The iPhone Field Test screen will appear. At the top, replacing the signal strength are some numbers which represent the quality of the signal. You can switch between the signal bars and the network value by tapping that part of the screen.

Of course most of this information only means something to cell engineers, but if you feel like slipping over to the geekside one afternoon, and exploring some iPhone Secrets, the iPhone Field test mode is a great place to hang out in!

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