upgrade to ios4.2.1

Discussion in 'Jailbreaks and iOS Hacks' started by fahdsaeed87, Feb 4, 2011.

  1. fahdsaeed87, Feb 4, 2011
    Last edited: Feb 5, 2011

    fahdsaeed87 macrumors member

    Feb 10, 2010
    hello guys i am currently on ios 4.0.1 bb 5.13.04 and i have tried a lot of times to upgrade to ios4.1 the upgrade process completes successfully but my iphone doesnot comes out of DFU mode so i always had to downgrade back to ios4.0.1 i tried using recboot to get the phone out of recovery but was unsuccessful so now i am planning to upgrade to ios4.2.1 with preserving my current baseband which is 5.13.04 because i keep my iphone unlocked.

    Can any one tell me the exact procedure to follow there are many tools out there several from dev team and now green poison also please tell me what to use. i am using windows to upgrade but i can also use mac as i have a running vmware version of snow leopard so i can also use pwnage tool for upgrade i just need some one to guide me what to use and how
  2. fahdsaeed87 thread starter macrumors member

    Feb 10, 2010
    i forgot to mention i have an iphone 3gs and i am waiting for a response from apple juiced and the latinist as they might remember me when i was screwed on 3.1.3 haha

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