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Thread: How to exit field test mode

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Does anyone know how I can exit field test mode (*3001#12345#*)? I've been playing around with that after reading articles on the iPhone 4 reception issues, but now it's there
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  1. #1
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    Default How to exit field test mode
    Does anyone know how I can exit field test mode (*3001#12345#*)? I've been playing around with that after reading articles on the iPhone 4 reception issues, but now it's there no matter what.

    Thanks!

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    My iPhone is a Part of Me area51crypto's Avatar
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    Googled that and I got "the home button exits"

    Haven't tried it but makes sense!
    Last edited by area51crypto; 07-06-2010 at 09:10 AM. Reason: spelling

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    Quote Originally Posted by area51crypto;
    Googled that and I got "the home button exits"

    Haven't tried it but makes sense!
    That's the thing, it doesn't. Also tried inputting the same code again, respringing and restarting. Any other ideas are appreciated. I'm using a 3GS btw.

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    Green Apple
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    what happens if you just power it off and back on?

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    Quote Originally Posted by hotairgypsy;
    what happens if you just power it off and back on?
    It makes no difference, same as with a reboot etc.

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    what about take a shot of tequila then do a network reset

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    My iPhone is a Part of Me area51crypto's Avatar
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    Default Replace the 8 with #
    Have read on some of the test codes enter #3001#12345## reverses it worth a try!

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    Quote Originally Posted by hotairgypsy View Post
    what about take a shot of tequila then do a network reset
    The tequila isn't a bad idea actually, though the network reset made no difference unfortunately

    Quote Originally Posted by area51crypto View Post
    Have read on some of the test codes enter #3001#12345## reverses it worth a try!
    Thanks. Tried that, but it just says "Error performing request, unknown error".

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    Try this: tap the numbers displayed. It should change back to the bars. Worked for me.

    BTW - for those wondering, this is how it works:

    Once you open Fieldtest.app by dialing the *3001#12345#* code, if you exit the app normally by just tapping the Home button, the signal meter goes back to bars automatically. However if you hold the home button down, or reboot while in Fieldtest.app, the phone will continue to display the numeric signal strength until you tap it to change it back to bars.
    Last edited by ct0wn; 07-06-2010 at 04:30 PM. Reason: Automerged Doublepost

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    Quote Originally Posted by ct0wn View Post
    Try this: tap the numbers displayed. It should change back to the bars. Worked for me.

    BTW - for those wondering, this is how it works:

    Once you open Fieldtest.app by dialing the *3001#12345#* code, if you exit the app normally by just tapping the Home button, the signal meter goes back to bars automatically. However if you hold the home button down, or reboot while in Fieldtest.app, the phone will continue to display the numeric signal strength until you tap it to change it back to bars.
    Thanks for the tip, that actually works but only until the next respring or reboot at which point I have to tap it again. Any idea how to turn off field test mode for good?

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