What is the actual signal strength on my iPhone?

What is the actual signal strength on my iPhone? Well it probably has no useful link to the bars that you can see in the corner of your handset. Follow the below steps to change to a dB signal strength indicator.

  1. Dial *3001#12345#* on your iPhone then press Call.
  2. You’ll notice a signal strength indicator in the top left hand corner of your screen. You can toggle between signal strength bars and a number by simply taping on it. Press the home button to exit the app or if you would like the feature to be permanent, continue to the next step (you can reverse it later if you wish).
  3. Hold down on the Power button until you see the ‘slide to power off’ bar but don’t power off the device.
  4. Press down on the Home button until the app closes and you return to your home screen.

The closer your number is to zero, the stronger your signal is.

To undo this setting simply do the following.

  1. Dial *3001#12345#* on your iPhone then press Call.
  2. Press on your Home Button once

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