How to Change Signal Display From Bars to a Number-IPhone

Change the signal bars into a number that measures reception strength in decibels. I learned this from a friend but if anyone know the source I would gladly give credit where credit is due :)

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How to Change Signal Display From Bars to a Number-IPhone
13 Steps
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1

Preface: Auditory or kinesthetic learner? Watch the video! While this trick is simple, I generally find videos to be helpful. And it's less words you have to read.

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This is the default display. The bars are a crude approximation of the strength of your reception. We are going to change that to a more exact measurement....

This is the default display. The bars are a crude approximation of the strength of your reception. We are going to change that to a more exact measurement....

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...in number form. The closer the number is to 0, the stronger the signal. This is helpful when visiting a low reception area and you need to find a place  where reception is relatively better.

...in number form. The closer the number is to 0, the stronger the signal. This is helpful when visiting a low reception area and you need to find a place where reception is relatively better.

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Type in *3001#12345#*  (tap on the picture above to see it in all it's glory)

Type in *3001#12345#* (tap on the picture above to see it in all it's glory)

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Call the number. Do not fret my fellow introverts, no form of human interaction is involved because we are not actually making a phone call. I know, sigh of relief.

Call the number. Do not fret my fellow introverts, no form of human interaction is involved because we are not actually making a phone call. I know, sigh of relief.

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This is how the screen looks after you call.

This is how the screen looks after you call.

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Push down on the power button on top  until you see this screen (~5 secs) DO NOT POWER OFF YOUR PHONE.

Push down on the power button on top until you see this screen (~5 secs) DO NOT POWER OFF YOUR PHONE.

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DON'T POWER OFF YOUR PHONE because it wastes time and all progress will be lost.

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Okay, 2 options: 1. Go back to the bars--just press home once to exit. You will not be able to toggle back and forth between bars and numbers if you choose this option.

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2. Have the option to switch between bars and numbers--press and HOLD the home button until the "slide to power off" disappears. This takes around 10 seconds.

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Here's a video to show the entire process which is super fast, painless, and completely reversible. This is the option 2 btw because I prefer option 2. Watch the video! It'll be helpful I swear!

Here's a video to show the entire process which is super fast, painless, and completely reversible. This is the option 2 btw because I prefer option 2. Watch the video! It'll be helpful I swear!

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Go forth and impress your friends and figure out the reception hot spots in your house, dorm, workplace, etc.

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To revert back to just bars: dial the number, call, and press the home button once to exit out of app. And that's it, you're back to bars!

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