Strange signal behaviour after 4.1 update + JB + Ultrasn0w

Discussion in 'Jailbreaks and iOS Hacks' started by fedorjj, Oct 19, 2010.

  1. fedorjj macrumors newbie

    Oct 19, 2010
    Hey guys!

    I bought my iPhone 4 about two weeks ago, it had 4.0.1 jailbroken firmware with ultrasn0w carrier unlock. I used the phone for some time (about a week), but when I tried to use my 3G internet it was saying something like "can't activate network". I gave the iPhone to a friend of mine and he updated it to 4.1. At first, everthing was fine, calls, sms, 3G internet... But after a couple of days of using the phone I noticed that it sometimes completly loses signal (goes to Searching...), nope, it's not "death grip", I use bumper. After phone restart everhing goes fine, I have full signal. Sometimes it loses signal when it's just laying on the table, it's very annoying. Microsim is originial, not hand-made.

    Is there anything I can do about it?

    Sorry for bad English, I'm from Russia. Thanks for help.
  2. nebo1ss macrumors 68030

    Jun 2, 2010
    I have seen many post on multiple forums with unreliable unlock with 4.1 firmware 1.59 baseband and ultrasn0w. Have yet to see a solution. Hopefully when Pwnage tool is release that might prove more reliable for the unlock.
  3. 99MustangGTman macrumors 6502

    Dec 3, 2008
    Germantown MD/ Columbus OH
    Are you using the phone on ATT or another carrier? If the phone is on ATT but unlocked through ultrasnow this could causes some problems.

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