Fixing error 1600 or 16xx

 

 

If you are using windows 7 or Vista then goto start---->acessories---->then right click on notepad---->properties-->click on run as admin
Once it opens..........minimise it.........
Then goto c:/windows/sytem32/drivers/etc/hosts
Open it as notepad. Copy it and paste on the notepad that you had minimised also  Delete the last containing "74.208.10.249 gs.apple.comsave ".
Then delete the  'hosts' in 'etc' folder and now save the minimised notepad   in the same location wth its name as hosts

Nw goto redsnow and do pawnd dfu mode..
After itunes restores it , you might get error 9808..ignore it.......

Un-Tethered ios 5.0.1 Jailbreak

How To Perform Untethered Jailbreak On Your iPhone 4/3GS Without Updating Baseband Using Redsn0w For iOS 5.0.1 [Mac/Windows]

 NOTE::::

• This guide is meant for iPhone 4 and iPhone 3GS users who are interested in unlocking their iPhone using Ultrasn0w or Gevey Sim 
• This guide is meant only for GSM iPhone users.
• This guide is only applicable if you haven't upgraded to iOS 5.0.1.
• Redsn0w 0.9.10b1 supports an untethered jailbreak.
• Please note that jailbreaking your iPhone may void your warranty and hence proceed with caution and at your own risk.
• It is always a good idea to take a backup of SHSH blobs using TinyUmbrella (Windows and Mac) or iFaith before upgrading to iOS 5.0.1 so you can downgrade to the current version if required.
• Please do not forget to backup your iPhone before you proceed.