What Does 3001 12345 Do To Your Phone? [Solved]

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What Does 3001 12345 Do To Your Phone? [Solved]

Dial 3001#12345# and press the Call button. This will launch the Field Test Mode app and where the bars/dots were in the top left corner of the screen, you’ll now see a negative number. The negative number is the decibel signal strength reading and should be followed by the carrier name and then the network type.

3001#12345# trick

Wondered what field test mode is? Field test mode is a feature

iPhone Field Test Mode Guide

If you are confused over the different menu choices in Field Test Mode on

Secret iPhone Menu | 😃

Secret