Results 1 to 7 of 7

Your favorite Apple, iPhone, iPad, iOS, Jailbreak, and Cydia site.


Thread: Upgrade 3GS to 4.1 but preserve baseband

  1. #1
    Default Upgrade 3GS to 4.1 but preserve baseband
    Ok, so I have a 3GS on 4.0.2 with no SHSH saved. If limerain only JB 4.1 is there a way to upgrade to 4.1 but maintain the baseband?

    I heard it's possible on iPhone 4 using tiny umbrella but what about 3GS?

  2. #2
    Retired Moderator
    Join Date
    Jun 2009
    Location
    Alhambra, CA
    Posts
    16,904
    Thanks
    137
    Thanked 2,202 Times in 1,924 Posts

    Yeah it's only iP4 with the TU method. The only way to get up to 4.1 and preserve the baseband is custom firmware, which obviously requires certain stipulations for the 3GS to be able to use.

  3. #3
    What's the chances of custom firmware working with limerain? It is old bootrom.

    Also, I seem to remember a method of pulling out the USB during a stock upgrade as a method?

  4. #4
    Retired Moderator iYeow's Avatar
    Join Date
    Feb 2008
    Location
    Vancouver, Canada
    Posts
    13,996
    Thanks
    76
    Thanked 2,764 Times in 2,652 Posts

    4.1 update is basically gamecenter and fixes some bugs of 4.0, the real major update is 4.2, if 3GS owners don't get their JB, don't be too upset, why not wait until 4.2 JB unless you are still unjailbroken

  5. #5
    Quote Originally Posted by yeow202 View Post
    4.1 update is basically gamecenter and fixes some bugs of 4.0, the real major update is 4.2, if 3GS owners don't get their JB, don't be too upset, why not wait until 4.2 JB unless you are still unjailbroken
    You've answered your own question. The phone is not jailbroken.

    So what about the pulling connector during restore?

  6. #6
    Retired Moderator iYeow's Avatar
    Join Date
    Feb 2008
    Location
    Vancouver, Canada
    Posts
    13,996
    Thanks
    76
    Thanked 2,764 Times in 2,652 Posts

    I don't think pulling out the cables will work anymore or we might have to wait for dev team again to come out on how to make a modified 4.1 ipsw when restored will not update the baseband.Last time, I followed the dev team guide to make a modified 3.1.3 ipsw when Spirit was out but unlock wasn't.

  7. #7
    OK, so it looks like limera1n can JB 4.0.2 for me! I will give this a go later and unlock with ultrasn0w.

    Shame I bought another iphone to replace this one yesterday!

    I'll have a JB/UL 32GB 3GS for sale in a week....
    Last edited by eyeRobot; 2010-10-10 at 06:55 AM.

Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •