i cannot switch iPhone back ON

[sharu7a]

Hi all,,

I have the installer app on my iphone, and i had used it to download a program, however it said that i had 2 reboot my iphone 4 affects 2 occur, and i did so, but when i wanted 2 switch it back on i couldnt anymore. I dont know what to do, I also tried restoring it through itunes, but still no luck. When I do try 2 swith it on, the apple icon appears then it freezes. Can some1 plz help me

thnx

 

[Bdkap]

DFU mode

I had my ipod and iphone do this to me anytimes. put it in DFU mode. here is how to put it in to DFU mode.
and then restore it. what program did you install from installer that did this?

 

[sharu7a]

I think it was the springboard

 

[sharu7a]

If i restore, will i lose all things in my iphone, i.e. msgs, contacts ...etc, especially that i want 2 unlock the iphone 2 b used with any sim.

 

[raziiq]

its always good idea to backup your data, it saves u a life