As you may already know, iOS 5.1 has already made available by Apple for quite some time now. As per usual, the firmware is now jailbreakable although one has to settle with the fact that it is just a tethered jailbreak. In case you have jailbroken iOS 5.1 in your device using Sn0wbreeze 2.9.3, then you will need to use iBooty so you can boot your iPhone into its tethered state for every shutdown or...

iH8sn0w has silently updated his iBooty tool to version 2.3 by releasing Sn0wbreeze 2.8b3 for iOS 5 beta 2 jailbreak. There is no official changelog provided by iH8sn0w but after testing it out, i can definitely say it helps you to boot your iOS 5 iDevice into tethered mode, much faster than iBooty 2.2. For those who don't know, as the current iOS 5 beta 1 and iOS 5 beta 2 jailbreak is tethered, so...

After jailbreaking your iPhone, iPod Touch or iPad on iOS 4.3.1 with Sn0wbreeze 2.4b1, you must boot your iDevice into tethered jailbroken state using iH8sn0w's (@iH8sn0w) iBooty tool. iBooty uses iTunnel to upload pwned 3.1.2 iBoot, iBEC and Kernelcache file which allows all new bootrom (iBoot-359.3.2) iDevices to boot into tethered mode.

iH8sn0w has updated his iBooty tool to v2.2 with some minor bug fixes. After jailbreaking your iPhone, iPod Touch or iPad with Sn0wbreeze 2.3b4, you have to use iBooty tool to boot your iDevice into a tethered jailbroken state on every restart. Only iPhone 3GS (Old Bootrom) users do not need to use iBooty as they can jailbreak their iPhone on iOS 4.3 untethered using Sn0wbreeze 2.3.

iH8sn0w has just released iBooty 2.1 which now fixes Waiting for iBSS issue which was mainly experienced by iPod Touch 4G/3G users. Many iPod Touch users were unable to boot their iDevices into tethered jailbroken state after iOS 4.3 jailbreak using Sn0wbreeze 2.3b1. iH8sn0w has also released Sn0wbreeze 2.3b2 which now adds Multitasking Gestures option in Settings app for all iDevices.

iH8sn0w has updated his iBooty tool to v2.0.1 which now comes with a fix for those who get stuck at Waiting for iBSS step while booting their iDevice into a tethered jailbroken state using iBooty 2.0. The same issue was experienced by users in his iREB tool but it was later fixed by him in iREB v4.0.x/4.1/4.2.1.

After restoring iOS 4.3 custom IPSW on your iDevice, your iPhone, iPod Touch or iPad will restart automatically but it will stuck on Apple logo screen with a small circle on it. To boot your tethered iDevice successfully after iOS 4.3 custom IPSW restore, you need to use iBooty. This guide will help you to boot your tethered iDevice on iOS 4.3 into jailbroken state using iBooty 2.0.

AKi_nG has just released a video in which he jailbreaked iOS 4.0 on iPhone 3GS (NEW BOOTROM) via Sn0wbreeze (unreleased version) and iBooty 4.0. For those who don't know: Apple updated the iBoot of iPhone 3GS after 4 months of its release. Now there are two types of iPhone 3GS, one with old iBoot (359.3) and the other with new iBoot (359.3.2) version.