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How to measure the signal strength of your iPhone accurately



Something maybe you have not noticed too when you use your iPhone is in the signal strength of your mobile operator - Movistar, Vodafone, Yoigo, etc. - these are five small circles that appear permanently in the upper left of the screen, right next to the name of the telecommunications operator that supplies your line.

In reality, you have not noticed them is good news: it means that you have never seen the need to use the iPhone in a tunnel, or in the mountains, or in the middle of nowhere, where sometimes we lose coverage To levels such that instead of the name of our operator, directly appears a message indicating that there is no operator.


In any case, these five circles represent the signal intensity qualitatively, that is, tell us roughly how strong the signal is. In this post we are going to teach you how to measure the intensity of the signal of your iPhone in a quantitative way, that is to say, that a numerical value appears to us. This information can become vital if we are in a critical situation, since we can move around nearby looking for greater intensity precisely to be able to make a call.

Procedure to measure the strength of the iPhone signal


1) To do this we must go to our iPhone app phone, specifically the keyboard section and there will introduce a code that will return the numerical value of the signal strength.

2) The code to measure the intensity of the signal will have to dial 3001 # 12345 # and then press Call. Thus your iPhone enter meter mode field.

3) Then press the Home button, at that time a number of functions will appear. Look at the top line of the display: a negative numerical value that is precisely the strength of the signal appear.


4) Ignore the options that have appeared and returns to the main screen by pressing the Home button for a second that number again appear instead of the five circles.

How do I interpret the numerical value that has appeared?


As we discussed, a negative integer representing the signal strength is displayed, the more that number is close to zero, the stronger the signal, ie, the better to make a call. For example, -80 will be a much better value than -120 and we will try to call from the zone with the least negative value.
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