View Your iPhone’s Numeric Signal Strength
chailife.com
Starting way back with iOS 4.1 and continuing through the latest version (6.0.1 at the time of this writing), Apple has enable a hidden “Field Test” mode which allows users to, among other things, see the exact signal strength of their cellular connection instead of the arbitrary bars which, as we all know, don’t always perfectly indicate how poor of a signal we’ve actually got. Simply by entering the Field Test mode, you can see this numeric value and get a feel for how good or bad your signal might be. Getting that number to stay there in place of the bars is a bit trickier, but still quite easy to accomplish. Here’s how.