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Thread: ultrasn0w "no service" or "sim error" on iPhone 4?

  1. #1
    Default ultrasn0w "no service" or "sim error" on iPhone 4?
    ultrasn0w works great on my iphone 4 on 1.59.00 in Europe (on 4.0.1 with jailbreakme and now 4.1 with limera1n and preserved 1.59.00 baseband).

    But if I'm on an international train that goes around the country side, where there are big holes of not having service, sometimes the phone will get stuck in "no service" Airplane mode on and off won't help it or it'll sometimes get stuck on that 1 bar of signal without showing the service provider then it will say sim error if I flick airplane mode back and forth.

    AFAIK, it's happened on both 4.0.1 and 4.1.

    Otherwise, if I'm just in an area that has no service occasionally (not a drought of service), it works amazingly. And a reboot always fixes these problems.

    But, anyone else? Just curious

    Not the end of the world, and when I'm in the states, I don't need the unlock as I'm on AT&T but I still would like to know about it for clarification.

    Also, I didn't hactivate it. When I upgraded to 4.1, I had my AT&T sim in and it said phone activated and I could navigate around the home menu before I used limera1n to jailbreak and eventually ultrasn0w to unlock.

  2. #2
    I have iPhone 4 4.0.1 and ultrasn0w doesn't work for me at all when I put the sim in with hacktivate. I get one bar with no provider and the no service. When I don't use hacktivate it asks to be plugged into iTunes...

  3. #3
    Try too use HACKTIVITI PACH ON CYDIA.. I have the same problem on 4.1, and google REPLACE LOCKDOWN FOLDER work for me...

  4. #4
    You keep asking the same questions on multiple forums and keep getting the same answers.

  5. #5
    What are "The same answers."

    hactivii patch? why would i use that if it doesn't work on 4.1?

    What does it do exactly? I dont need my iphone activated, I already did when I put the AT&T sim in upon upgrading (and before limera1n and ultrasn0w)

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