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Thread: 1-Bar Signal Issue with iPhone 4 (iOS 5 / BB 1.59.00)

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  1. #1
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    Default 1-Bar Signal Issue with iPhone 4 (iOS 5 / BB 1.59.00)
    Iphone 4 with IOS 5.0 & BB Preserved @ 1.59.00. I followed the instructions to preserve my baseband, jailbreak with redsn0w with a dead At&t sim card and unlock with Ultrasn0w 1.2.4 all without issue. Iím with T-Mobile and when I insert my SIM card I only get one signal bar and my T-Mo phone number comes up as unknown in the settings. I cannot place or receive a call. My service cuts in and out constantly.

    I have an iPhone 3GS unlocked and have no problems with my SIM card obtaining 4-5 bars in the same area. I read disabling 3G mode in the settings prior to installing Ultrasn0w alleviates the signal bar issue but that did not help with my situation. From what I read and have been told the 1-bar signal issue should be fixable w/ultrasn0w but not in my case.

    Iím at my witís end. Anyone with a working solution to this problem?

  2. #2
    Super Penguin Mod i.Annie's Avatar
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    I would actually suggest to do a restore. It might just be a jb bug. If it is, the problem should go away. If it isn't that simple, I think we can do some other troubleshooting on it.

  3. #3
    Super Moderator iYeow's Avatar
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    Do you have 4.3.3 blob ? If you do, i suggest you restore to custom firmware of 4.3.3, have a working iphone rather than a paperweight.
    You cannot get 04.10.00 baseband anymore even if you decide to go with gevey sim so downgradingto 4.3.3 is your only option.

  4. #4
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    Thanks for the responses...

    I restored with the custom firmware again but ended up with the same result - 1 bar signal issue. Unfortunately I do not have the 4.3.3 blobs saved but do have 4.3.5 & 4.2.1.
    Last edited by vassago; 11-06-2011 at 02:02 AM.

  5. #5
    Super Moderator iYeow's Avatar
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    Put iphone into pwned dfu mode and restore to custom firmware of 4.2.1 using TSS server with saved 4.2.1 blob .

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