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Thread: Occassional No Service After Turning On

  1. #1
    iPhoneaholic dotFIVE's Avatar
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    Default Occassional No Service After Turning On
    I have an iPhone 3G on 3.1.3 unlocked with ultrasn0w for T-Mobile. It works great. However, I've noticed that when I turn off the phone via the power button on top (like when I'm going to bed), and I turn it on in the morning, it will turn on and have no service. On the flip side, if I reboot the phone using the reboot option in SBSettings, it will reboot and I have service just like normal.

    What's the problem with using the normal switch; why can't I receive service after turning the device on? I mean it's not too much of a bother, but I don't want this situation to escalate further to the point where I keep rebooting and cannot get service at all.

    Any thoughts or ideas are appreciated, thanks.

  2. #2
    I have an Iphone 4 on iOS 4.0.1 using ultrasn0w on T-mobile with the same issue. If I have it turned off overnight sometimes, but not always it will just show 1 signal bar but no carrier logo, and will not have the carrier option available in the settings. If I use SBsettings to reboot almost everytime it gets service again. I can't figure out why it does it one time and not another, and like you am also hoping that it won't get any more frequent over time.

  3. #3
    It used to happen to me also until I disabled the PIN lock, reset network settings, then re-installed ultrasn0w

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