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Discuss I fixed my US T-mobile no outgoing calls problem! at the Yellowsn0w (3G unlock) - Hackint0sh.org; SO I basically remembered that I had a REALLY old sim laying around from Suncom. ...
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    Default I fixed my US T-mobile no outgoing calls problem!

    SO I basically remembered that I had a REALLY old sim laying around from Suncom. Now T-mobile bought out Suncom over here in Puerto Rico, but you could and can still use your old Suncom sim if you haven't deactivated it and gotten the new T-mobile sims.

    So I popped it in and since it was obviously deactivated I got a no service message. I kept trying to get it to work using the yellowsn0w -c and -r commands but I could only get the phone to recognize my own phone number in the contacts but still had the no service message. Tried to make a few calls but it obviously didn't work. *** Forgot to mention*** I also did a reset network settings with my old deactivated sim inside the iPhone. This may have something to do with it***

    So I pop my new (current) T-mobile sim car and the iphone recognizes it in less than 20 secs. So for the heck of it I dial 411... And to my amazement the call actually went through!
    So I dialed my buddy's number and he picked up! IT'S FREAKING WORKING! I finally have a soft unlocked iPhone 3G.

    Will post pics/video in a couple of minutes. Not sure if this will help anyone out there, but it might be worth a shot if you have an old deactivated sim laying around.

    *** You Tube***
    http://www.youtube.com/watch?v=mzPvOWKV01c
    Last edited by Tibu; 01-03-2009 at 02:19 AM.



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    Other people are having success taking an older model sim card that is activated and working, putting it into their iPhone 3g, making a call successfully, and putting back in their newer sim card and finding success in making calls

    i for one can sadly say that this isnt working for me T_T even after putting my newer sim card in a 2g iphone unlocked, successfully placing a call, and putting my older sim card in my 3g iphone, and successfully making a call, and swopping. I even reset network settings with the older sim in the 3g and then swapping back to the newer sim card. the ONLY difference is that i get signal and edge and everything to come up quicker on my 3g, but when i place a call it dies instantly.

    This is with Tmobile US sim cards (older sim is a family plan normal account, and the newer sim is from a flex pay account)

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    i have a old sim card. its like way back 2004. I use that sim and do the reset network trick. It works to me instantly.
    The odd thing is, yesterday when i try to turn off my phone and turn it on.i have to turn off-on again the airplane mode.

    But now, even i remove my sim card or turn the phone off-on I STILL HAVE THE SIGNAL (no need to do the airplane mode trick) . Maybe it's just my luck !!!

 

 

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