How to Enable Numeric Signal Strength on iPhone

If you wish to see numeric signal strength on your iPhone instead of bars then through guide below you will learn that what you have to do to get that on your iPhone.

Enable Numeric Signal Strength on iPhone


Dial *3001#12345#* on your iPhone through keypad and tap on “Call” button

Immediately “Field Test” app will get open and you can observe a negative numeric value at the place of signal bars in left upper corner of your iPhone screen.

Note: Now, when you exit “Field Test” app on your iPhone, numeric equivalent of signal strength will again toggle to bars, so if you want to make bars permanent to numeric value then continue with next step without getting exit from Field Test on iPhone.


Press and Hold “Power” button until “Slide to power off” bar display, but do not Turn Off your iPhone


Press and hold “Home” button until it takes you back to the home screen and that’s it

Now, you can stick with numeric signal strength on iPhone which you can toggle to bars as well just by tapping on it and vice versa.

Just use this tip to enable numeric signal strength on iPhone and write your experience in comments.

7 comments… add one
Yan December 5, 2012, 4:32 pm

It works on iPhone 4S.

Beckham December 6, 2012, 8:31 am

This tip is compatible with iPhone 4 as well.

Fahad December 7, 2012, 5:49 pm

I apply it on iPhone 4S bars its great to have numeric value of signals there.

Cristiano December 8, 2012, 12:28 pm

Nice article, but is it required somewhere to convert signal bars to numeric value? For what purpose?

A1953 December 9, 2012, 6:33 am

cool, it works on iPhone 5.

Palitha December 10, 2012, 11:00 am

Nice to have decibel in place of bars on iPhone 4S.

abuosan October 11, 2014, 5:12 pm

cool works on iphone 5s

Leave a Comment

Join Our Subscribers

Receive the latest how-to guides, news, and updates from our team.

You have Successfully Subscribed!