Remember when Planetbeing claimed that he is the first one to root iPhone 4 with Comex's Spirit jailbreak code? Later MuscleNerd tweeted the high-resolution screenshot of Cydia running on iPhone 4 confirming that Comex's Spirit code can jailbreak (untethered) iOS 4 on iPhone 4. MuscleNerd recent tweet confirmed that just like Spirit, another tool by Comex is on its way which will jailbreak iOS 4 on all iDevices.

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.

Great news for all those who jailbreaked their iPhone or iPod Touch using Comex's Spirit tool and now they want to jailbreak iOS 4 on the same Spirit'd iDevices. For those who don't know: You can jailbreak iOS 4 on iPhone 3G, 3GS (old bootrom) and iPod Touch 2G (non-MC models) using PwngaeTool and Sn0wbreeze but both of these tools don't support iOS 4 jailbreak on those iDevices which have been previously jailbroken using Comex's...

iH8sn0w has just released the new version of Sn0wbreeze (v1.6.2) which fixes YouTube and iBooks issues which were being experienced by many users after iOS 4 jailbreak. Not only this but Sn0wbreeze 1.6.2 also supports iOS 4 jailbreak on those iDevices which were previously jailbroken by the Comex's Spirit tool. Sn0wbreeze v1.6.2 can jailbreak iOS 4 on iPhone 3G, 3GS (old bootrom) and iPod Touch 2G (non-MC model).

The famous Cydia app Activator has been updated to work with the iPhone iOS 4. For those who don't know: Activator is an app which allows you to launch different Cydia apps and do number of system actions with simple on-screen gestures. The previous version (v3.1.2) of Activator was having some issues with iOS 4 as it was causing the SpringBorad to crash on certain gestures.

iPhone 4 signal reception issue has caught the attention of media and users enormously! AppleInsider has reported that Apple is working on an updated version of iOS 4 named "iOS 4.0.1" to address iPhone 4 signal reception issue via software fix. There are no official words form Apple regarding iOS 4.0.1, but some readers have reported that Apple's tech support forums originally confirmed that iOS 4.0.1 software fix is coming soon, later those comments were...

Destructor95 has released the new version of ToolJail i-e ToolJail v2.2 which provides you with the latest step-by-step guides on jailbreaking and unlocking the latest iOS 4 on iPhone 2G, 3G & 3GS and iPod Touch 2G & 3G. For those who don't know ToolJail is created to help the novice iPhone and iPod Touch users to want to jailbreak their iDevices without messing their head in thousands of tutorial available online.

I just managed to jailbreak iOS 4.0 on iPhone 3G. I have both Windows and Mac, so i created two custom IPSW files by using S0wbreeze 1.6 and PwnageTool 4.0. As soon as i tried to restore the IPSW file through iTunes to my iPhone 3G i got number of 16xx (1600, 1601, 1602, 1603, 1604) errors. Below is a solution that worked for me!

TinyUmbrella 4 has been released by Notcom which allows you to save SHSH blobs of latest iOS 4.0 final version on iPhone 3GS, iPod Touch 2G & 3G. iPhone 3G users don't need to save their SHSH blobs. TinyUmbrella 4 is available for Windows, Mac and Linux. TinyUmbrella 4 is a unified version of TinyTSS and FirmwareUmbrella.

Those who want to downgrade last iOS 4.0 final or GM (Gold Master) edition to iPhone OS 3.1.3 then follow our step-by-step guide below. Inorder to downgrade your iPhone 3GS and iPod Touch 3G to firmware 3.1.3, you must have saved your SHSH blobs on Saurik's server in order to do a successful downgrade. If you haven't saved your SHSH blobs on Saurik's server when you were on OS 3.1.3 then you are out of...