If you are one of those who wishes to update your iPhone to latest iOS 5 but fearing due to baseband update and lose of unlock status, no need to worry about the baseband update because iPhone Dev Team has already updated their Redsn0w to provide the PwnageTool functionality to users since the update was only for Mac OS users, because they need to test Windows version more.

Just like Redsn0w update, Sn0wbreeze of iH8Sn0w also got update from the developer with the same functions which allows you to perform jailbreak and preserve baseband while updating your device to iOS 5 through which you could get old supported baseband on which unlock is available through ultrasn0w and Gevey SIM.

 

To get unlock on iOS 5, you have to jailbreak and preserve your baseband with Sn0wbreeze or Redsn0w latest update which allows you to jailbreak your device but only tethered boot that means you have to connect your device with computer at every boot of your device. But through this functionality you would preserve your baseband while updating to iOS 5, iPhone Dev team already announces that they will release an software update for the ultrasn0w which allows it provide unlock on iOS 5 for iPhone 4 and iPhone 3GS, now all you have to do is download latest version of Sn0wbreeze and heads to over universal noob guide of jailbreaking iOS device with Sn0wbreeze.