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Can we upgrade and jailbreak Iphone 3gs V4.0.1 (8A306), Firmware 05.13.04, Model:MC131B, Carrier : 7.0 ?

asked 25 Apr '12, 03:38

goldenpoems's gravatar image


You can upgrade an iPhone 3GS to iOS 5.0.1 if you have SHSH blobs saved for it - see this detailed guide to checking your SHSH blobs and using them. It's best to upgrade using custom firmware to preserve your unlockable baseband, and that guide includes how to make and use custom firmware. After upgrading your device to iOS 5.0.1, you can easily jailbreak it using redsn0w.

If you don't have SHSH blobs saved for any version, you'll have to upgrade it to iOS 5.1. Again, it's best to use custom firmware for this to preserve your baseband, even though ultrasn0w isn't compatible with iOS 5.1 yet. iOS 5.1 only has a tethered jailbreak available unless you have an old-bootrom iPhone 3GS.


answered 25 Apr '12, 18:35

britta's gravatar image


edited 25 Apr '12, 18:37

Sorry Out of Town Will try when come back But I want to Upgrade it to 5.0.1 only with jailbreak and want to keep it Sim Unlock without any risk?

(28 Apr '12, 18:04) goldenpoems goldenpoems's gravatar image

if you have 5.0.1 shsh saved its pretty easy to do, just back up your pics etc first. If you do NOT have 5.0.1 shsh i would honestly stay where you are at. Tethered jailbreaks are very inconveniencing to the everyday person. It bit me once being tethered, the one day i left my laptop at home. Had to go all day without my iphone, it sat on the apple logo lol

(28 Apr '12, 18:17) theiphoneguy ♦ theiphoneguy's gravatar image

I've used tinyumbrella and this result has come 1: OR 2: OR what to do now ?

(29 Apr '12, 02:38) goldenpoems goldenpoems's gravatar image

pick one of those listed if you really want to update, but you cant do 5.0.1

(29 Apr '12, 04:03) theiphoneguy ♦ theiphoneguy's gravatar image

Can any body give me a step by step tutorial to upgrade , jailbreak keeping sim unlock to highest possible version ?

(30 Apr '12, 08:41) goldenpoems goldenpoems's gravatar image

Make sure you have the latest iTunes installed.

Download PwnageTool

Download the stock iOS 4.2.1 firmware (IPSW file) for your device.

Open PwnageTool

Select Simple Mode from the top of the PwnageTool Window.

Select your device and click on the Next Arrow.

Browse for the 4.2.1 IPSW.

Start Tss server on tiny umbrella

Build custom IPSW and restore to it in PWNED DFU Mode (make sure you do not select the stock IPSW)

open cydia and install ultrasn0w

(i think i might miss some steps here since i never used pwnagetool before, i believe its similar to sn0wbreeze hopefully someone can correct me)


answered 30 Apr '12, 16:27

1L1keTurtles's gravatar image


edited 30 Apr '12, 16:30

4.2.1 or 4.3 as my device has saved SHSHs for Iphone3GS 4.3 (8F190) ?

(30 Apr '12, 16:50) goldenpoems goldenpoems's gravatar image

Can we upgrade and jailbreak Iphone 3gs V4.0.1 (8A306), Firmware 05.13.04, Model:MC131B, Carrier : 7.0 ?

(28 Jul '12, 11:56) goldenpoems goldenpoems's gravatar image

yes as has been answered above

(28 Jul '12, 13:43) theiphoneguy ♦ theiphoneguy's gravatar image
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Asked: 25 Apr '12, 03:38

Seen: 4,230 times

Last updated: 28 Jul '12, 13:43

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