How to enable numeric signal strength reporting on 3Gs?

Discussion in 'Jailbreaks and iOS Hacks' started by PecanEater, Jun 30, 2010.

  1. PecanEater macrumors 6502

    PecanEater

    Joined:
    Apr 11, 2007
    #1
    Is it possible to enable numeric signal strength reporting rather than "bars" on a 3Gs? I saw this in theAnandtech review of the iPhone4. Is this possible without JailBreak? I'd appreciate more info or direction to where I could find it.

    (added w/ edit)

    On a second reading of the article, I see that this is done by entering Field Test Mode by using the *3001#12345#* dialer code. Unfortunately as stated in the article this does not work on iP4 or 3Gs running iOS4.

    Question for anyone running an older OS, does the numeric signal strength reporting that is enabled in Field Test Mode continue after you close Field Test? I presume not.

    If one does Jailbreak, how is this enabled?
     
  2. headcheese macrumors regular

    Joined:
    Sep 19, 2008
  3. PecanEater thread starter macrumors 6502

    PecanEater

    Joined:
    Apr 11, 2007

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