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Thread: [Setting Interrogation Failed] 'Full Signal Yet Can't Call or SMS'

  1. #1
    Exclamation [Setting Interrogation Failed] 'Full Signal Yet Can't Call or SMS'
    Hi Folks

    Background - Bought an Iphone Version 1.0.2 in the UK and Unlocked It, So I Could Use 02 Pay As You Go Etc. I Then Switched To T-Mobile

    Problem -

    I Have FULL RECEPTION and T-Mobile Logo Is Displayed But I Cannot Make or Recieve Calls or SMS

    Everything Worked Fine Before, Then I Upgraded to 1.1.2 and Had To Remove SIM For The Process. Afterwards, I Cannot Make Calls - I Have TRIED EVERYTHING! From Downgrading to Upgrading Nothing Works!

    What I Have Noticed Is When I dail *#61# I get the following;

    Error performing request
    Unknown Error

    Setting Interrogation Failed
    Voice Call Forwarding*
    When Unanswered

    *this continues with this catorgory changing (but the rest remaining the same) to data call forwarding, sms call forwarding and EVERY other catorgory

    Please Help Me!!!!! ...........

    (currently i am back on 1.0.2 and am firmware 04.04.05_G and my IMEI starts with 01124)

  2. #2
    Livin the iPhone Life
    Join Date
    Dec 2007
    Boston, MA
    Thanked 143 Times in 138 Posts

    why don't you upgrade to 1.1.4? i think that baseband is 1.1.4's and probably why you are unable to use the phone function

  3. #3
    a note to bear in mind - it was still the same problem wise when i was on 1.1.4, i thought possibly downgrading to 1.0.2 might solve it, but it didn't - should i still upgrade to 1.1.4 then?

    can i upgrade straight to 1.1.4 or do i need to go step by step (i.e. 1.1.2 then to 1.1.3 etc etc)?

    also got any guides on how to (besides ziphone)?

    Thanks mate

  4. #4
    Hi Mate im having the same problem as you and wondered if you ever managed to sort it out??

    Need HELP!!!

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