Jailbreak 5.1 iPhone 4, 3GS, iPad 1, iPod Touch 4G, 3G. Two of our fans has just tell us that they were able to jailbreak their iPhone on 5.1 As you know that iOS 5.1 released with many new features and bug fixes. Our tippers have iPhone 4. We didn’t have enough time to try this guide.

One of the many confusing aspects of Jailbreaking that new users struggle to understand is the concept of a ‘tethered’ and an ‘untethered’ Jailbreak. The terminology used can sometimes be quite daunting, but most of the time it is just a technical way of saying something quite simple. When a device is Jailbroken a new ‘App Store’ is installed on the device called Cydia.

Cydia allows users to install third party applications, tweaks and themes which are submitted to the store by various developers, hackers and programmers. The content contained within Cydia is as varied as you could possibly imagine and ranges from full standalone applications to small tweaks designed to hook into Apple’s iOS via something called ‘MobileSubstrate’. When Cydia is installed on the device, some modifications are made to the existing architecture of the operating system, these mods are largely unknown to us as users, however they become more prominent when discussing the notion of a tethered and untethered jailbreak. Please see below for an explanation;

iPHONE / iPAD GUIDES (INSTRUCTION) “HOW TO MAKE”:

Tethered Jailbreak – this means that if you EVER reboot, restart or lose power to your device post jailbreak, then you will need to boot your device up connected to a computer to enable the Jailbreak functions to work. The device itself will boot up normally without this ‘tethered’ connection, however, all Jailbreak features will be disabled, and also due to the aforementioned changes in architecture, some native iOS services will also cease to function, with the most prominent being mobile Safari browser. This is not as daunting as it seems, as the Jailbreak tool will generally have ‘boot as tethered’ option which simply patches the kernel again (temporarily until next reboot) and boots the device up.

Untethered Jailbreak – As you might imagine this is the reverse of the information above. An untethered Jailbreak is what we aspire to, and is the ‘ideal’ solution. It means that once the kernel has been patched and the Jailbreak procedure is complete, you can power down, hard reset or reboot your device as often as you like without issue. This type of Jailbreak is considered the ideal for many tangible reasons, but one which affects most Cydia users is that many of the tweaks available through Cydia require the device to be rebooted after installation, this becomes increasingly annoying if you need to perform a tethered boot each time.

Jailbreak 5.1 iPhone 4, 3GS, iPad 1, iPod Touch 4G, 3G. Two of our fans has just tell us that they were able to jailbreak their iPhone on 5.1 As you know that iOS 5.1 released with many new features and bug fixes. Our tippers have iPhone 4. We didn’t have enough time to try this guide.

HOW TO JAILBREAK 5.1 iPHONE 4, iPAD

Step 1: Connect your iDevice with your PC via USB, and open iTunes 10.6 then Restore to iOS 5.1 if you don’t already have it on your device



Step 2: Start Redsn0w, press on “Jailbreak > press “Next” > select “Install Cydia”

Step 3: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

At this stage you will be presented with a screen where you will be guided on how to enter DFU mode. Quickly hold “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

Step 4: Wait until you get iOS 5.1 jailbroken in few minutes. Congratulations.

—ATTENTION!!!—-
This is tethered Jailbreak : Once current Redsn0w jailbreak is still tethered jailbreak, you will be required to connect your iOS device with your computer and run Redsn0w again then choose “Just boot tethered right now”.



LINKS:
Redsn0w download here -> REDSN0W DOWNLOAD LINKS
iTUNES 10.6 download here -> iTUNES 10.6 DOWNLOAD LINKS

If you use ultrasn0w for your carrier unlock, be sure to use a custom IPSW to get to 5.1 first! Don’t ever restore to a stock Apple IPSW! Use redsn0w’s “Custom IPSW” button to create a NO_BB_* version of the 5.1 IPSW and restore to that instead of the stock one. (That option is available only to 3GS and iPhone4-GSM owners.) ultrasn0w itself will be updated for 5.1 in the next few days (same baseband support, not 5.1’s baseband).

If you’re lucky enough to have an old-bootrom 3GS, this jailbreak is actually untethered (redsn0w will figure that part out automatically).

While we were at it, we added @pod2g’s steaks4uce exploit to support MC models of the iPod touch 2G (whose last firmware was 4.2.1). So now redsn0w will auto-detect and jailbreak both MB and MC versions of that older device.
iBooks won’t work until a future update of redsn0w

We Recommend:

• DOWNGRADE 5.1 to 5.0.1 for JAILBREAK UNTETHERED
• IPAD 3 5.1.1 JAILBREAK ABSINTHE 2.0 UNTETHERED [GUIDE]
• JAILBREAK IPHONE 4S 5.1.1 UNTETHERED

Related Posts:

jailbreak 5.1, JAILBREAK 5.1 IPAD, JAILBREAK IPAD, JAILBREAK IPAD 5.1

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