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My Modem Firmware Version is 05.15.04 and my Version is 4.2.1. I want to jailbreak my Iphone 3gs on Windows 7.Kindly suggest me any untethered jailbreak and unlock tools for the mentioned versions. I mainly want to unlock it so that i can use any carrier.Is there any side effects if i jailbreak my phone except the Apple Warranty Void.

asked 10 Feb '11, 05:43

narayanankrish2006's gravatar image

narayanankrish2006
1113

edited 10 Feb '11, 05:47


Jailbreak doesn't have side effects but like anything hacked there is always a chance for problems to occur, but when it does you can just flash it to stock firmwares and there will be no way for Apple to know that it's been jailbroken. Actually since JB has been made legal (in US anyway) Apple staff won't refuse an exchange should anything go wrong anyway.

HOWEVER if you need unlock then it's a different story since there is no unlock for baseband 05.15.04 at the moment. You will need to flash your baseband to the ipad 06.15.00 with redsn0w for unlock and that DOES void your warranty in a very obvious way. Check out this iphone dev team blog for all information regarding ipad baseband unlock:

http://blog.iphone-dev.org/

Please make sure you read everything three times and understand the consequences - namely the lost of GPS, warranty, and the ability to restore to stock firmware. You will need to make custom firmware for restore in the future and there might never be a way to downgrade to normal baseband ever. If you decide to proceed then this is what you do:

  1. Run Redsn0w 0.9.6rc8 and only choose the options to install cydia and ipad baseband, you will need to download stock 4.2.1 firmware for this.
  2. after this is completed run Greenpois0n RC5 to untether your jailbread.
  3. Go to cydia and install ultrasn0w 1.2, make sure you only use wifi for this, preferably with 3G turned off and sim removed.

But while you're still deciding, download and run the latest tiny umbrella first to preserve your 4.2.1 shsh blob since the iOS 4.3 released is reportedly imminent. This will ensure that you can always restore to 4.2.1 in the future. Make sure that you understand everything before you do anything to your phone!

link

answered 10 Feb '11, 06:18

steve258's gravatar image

steve258
441145

edited 10 Feb '11, 06:20

5

i have already told him this.. the same procedure..

thank you.. enjoy..!!

(10 Feb '11, 06:20) Stealth Bravo Stealth%20Bravo's gravatar image
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Asked: 10 Feb '11, 05:43

Seen: 480 times

Last updated: 10 Feb '11, 06:20

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