iPhone Dev team has released a beta version of unlock iphone 3g and unlock iphone 3gs 4.1 Redsn0w for iPhone 3G and iPod Touch 2G users to jailbreak iOS 4.1 that was released couple of weeks back. It uses the pwnage2 DFU-mode exploit and not the SHAtter exploit that was discovered by pod2g that is expected to jailbreak and unlock iphone 3g/3gs 4.1…
Apple released the new jailbreak/unlock iphone 3g/3gs 4.1 iOS 4.0.2 for iPhones and iOS 3.2.2 for iPad, patching the PDF security exploit, this blocks browser-based jailbreaking by visiting JailbreakMe.com. For iPhone 3GS and 4G users, for everybody who is relying on jailbreaking and unlocking iphone 3g/3gs 4.1 and carrier unlocking, steer clear of this update until jailbreaking tools are released.
Fortunately for iPhone 3G users, you can actually still jailbreak iPhone 3G iOS 4.0.2 using redsn0w by pointing to the older iOS 4.0 firmware ipsw file, here’s how.
0. Download the official iOS 4.0 firmware ipsw file for unlock iPhone 3Gs 4.1 4.0.2 , iTunes v9.2, and redsn0w .9.5b5-5.
1. make sure that iTunes v9.2 is installed, because redsn0w will depend on it.
2. Run redsn0w, click Browse and select the 4.0 ipsw file, Click Next.
3. Select your jailbreak options. Make certain Install Cydia is selected; the other ones are optional. Verbose boot displays detailed boot information is generally preferred by developers and advanced users.
Tip: RedSn0w selected Enable Multitasking by default. If multi-tasking is not absolutely vital for you, we would recommend un-check it as it makes iPhone 3G run very slow.
4. Please switch off your iPhone now and plug it into the computer, then click Next.
5. Follow the on-screen instruction to get into DFU mode.
6. Redsn0w will now take care of the jailbreak process, once it’s complete you’ll be notified that RedSn0wis finished. Click the Finish button. When your iPhone finishes rebooting (5 minutes or so) it will be jailbroken.
1. For unlock users, update your ultrasn0w to v1.1-1 just to save battery life, as iPhone Dev Team announced in Twitter:
“ultrasn0w upgraded to version 1.1-1 we’ve tweaked a few things that may help with standby battery life, you can upgrade via unlock iphone 4.1.
2. Although Apple has promised to investigating the matter of ios 4.x slowing iPhone 3G down, there’s no confirmation that the ios 4..2 has fixed this. For anyone who is experiencing slow performance with your iPhone 3G in the new ios 4.x, turn off Spotlight by going to Settings- General -Home – Search Results, and turn off everything you do not need to unlock iphone 3gs 4.1.
Tags: unlock iphone 3g
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