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Oh men, I should know this trick long time ago..
From last year I am having major problem with AT&T reception at my house and I can't convinced AT&T to do something. They claim one cell site at my neighborhood is in repair but nobody gives me any answer when they going to fix it. (repair suppose to be done by end of May 2012)
We have already October and my Signal level is usually at one bar or Searching...
I am eligible for iP5 upgrade but at this situation I am NOT going to commit for another 2 years of nightmares.
Besides I am not even sure if iP5 has better reception than my 3GS or my wife's iP4.

The Field Test says now -111 and that looks like 1 bar.
Does anybody knows how to check signal for specific cell site by this test and what's minimum number I should have at least some reception.
I'm sick and tired call AT&T every month for an update.

Unless you have a good reason to stay with ATT, or are moving soon to a place with better coverage, I would just switch providers. That's what I did going from the 4S on ATT to the 5 on VZW and my service is now spectacular.
 
Sprint iPhone 5

It seems you get into to field test mode with Sprint, but when I try to force it to stay with the db numbers in the left upper corner by holding the power button until the slider comes on then holding the home button until the app screen comes up, it fails on the last portion.

It seems that the field test text screen just seems to restart when holding the home button for at least 5-6 seconds, but the app screen never reappears nor does the db number say on the top left hand corner.

Anybody know how to get this to work on Sprint?

Thanks.
 
It seems you get into to field test mode with Sprint, but when I try to force it to stay with the db numbers in the left upper corner by holding the power button until the slider comes on then holding the home button until the app screen comes up, it fails on the last portion.

It seems that the field test text screen just seems to restart when holding the home button for at least 5-6 seconds, but the app screen never reappears nor does the db number say on the top left hand corner.

Anybody know how to get this to work on Sprint?

Thanks.

Didn't work for me either so I did a little research. Try holding the home and power button until the Apple logo appears. Worked for me. Leaves the db in place. Tap it to switch back and forth to the circles.
 
does it quickly display the menu in iOS 6 style then jump to iOS 7 style for anyone else?
 
It seems you get into to field test mode with Sprint, but when I try to force it to stay with the db numbers in the left upper corner by holding the power button until the slider comes on then holding the home button until the app screen comes up, it fails on the last portion.

It seems that the field test text screen just seems to restart when holding the home button for at least 5-6 seconds, but the app screen never reappears nor does the db number say on the top left hand corner.

Anybody know how to get this to work on Sprint?

Thanks.

Mine did that as well...just try it again and it should work. Worked on the second try on my tmobile 5s.
 
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