Undo Iphone 4 jailbreak on any ios back to ios 4.1

[neerules]

I have found a way to undo your iPhone 4 jailbreak for ios 4.1. As many of you know. 4.1 is difficult to undo a jailbreak.

Please take a look at my blog

***REMOVED***

 

[Jmills87]

Please do not post external links, all you need to do to remove a jailbreak is restore, it's not difficult.