Thank you totallyagit, I'm done with the "erase" process, but now I'm having the same problem only in my computer. When I connect the iphone on my laptop it shows the error "iTunes error 0xE8000012", but in other computers it works. I've tried many options of apple support, but nothing seems to...

What does "Erasing all content and settings", means ecaxtly ? If I do that, I'll have to restore my iphone, and than would the baseband change ?

Yes I've tried. The same error comes up.

My iphone 4s won't connect to my computer or in any other computer showing the same error all the time I try to connect it on itunes. I also need to jailbreak it, but in this way it seems to be impossible. I'm looking for any solution. Searched in google for some apple support solutions, but...

Hello iphoneforum I am Ndriqim Haxhaj a a new member from europe (albania), glad to come in this gigant iphone forum. I've some problems with my 4s, hope that here, I'll find the solutions. Thank You