1. Alan Cummins's Avatar
    ok I was trying to update my 3gs 5.1.1 ,, I was following willer2 tutorial on downgrading ... I was trying to update to 6.1.6 at first ... but my cydia only goes to 6.1.3 anyway I went on ifaith found the blobs on that , the highest is the 6.1.3 .. I went on to ipsw open up 6.1.3 it ran an asked update BB I said no cause I use ultrasnow for my network an it said its restoring [no BB] an then it got to waiting on device ,, but nothing for awhile then it popped up saying error 2831 ... I know I have did something wrong ... can anyone tell me what im doing wrong... thanks an yes I am a noob... I going on what was showing on the tutorial but the dude won't get back to me ... I'm stuck an I don't have a clue ...
    07-14-2014 05:05 PM
  2. rdiddy_25's Avatar
    iOS 6.1.3 is the highest iOS for the 3GS. Place device into dfu mode then update thru iTunes.
    And welcome to iMore
    07-14-2014 08:02 PM
  3. Alan Cummins's Avatar
    Will I lose my jailbreak then.. I use ultrasnow to get my network .. So is it safe .. Will I need cfw to do or custom Ipsw ... Thanks
    07-14-2014 10:28 PM
  4. rdiddy_25's Avatar
    You will lose your jailbreak and unlock if you update. You can still jailbreak after updating but you'll have to have your phone unlocked to get it to work in your network. Choice is yours.
    07-15-2014 12:50 PM

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