To help anyone here !!!

[mixtape777]

I tried to install but could not

You mean you tried to jailbreak and it failed?

dont installed jb

 

[mixtape777]

I am sorry but I have done, is made ​​and a reset factory settings but the same

You've already performed a factory reset and this problem persists?

yes , after factory reset the problem persist

 

[Darkstar2007]

yes , after factory reset the problem persist

What firmware are you running?

 

[mixtape777]

yes , after factory reset the problem persist

What firmware are you running?

software version 4.3.5

 

[mixtape777]

yes , after factory reset the problem persist

What firmware are you running?

build version 8L1

 

[Darkstar2007]

software version 4.3.5

I just googled your problem and apparently this is a 4.3.5 bug.Some users report having the same problem as you. So restoring again might not help. Then again it's worth a shot if the problem bothers you that badly. It may or may not resolve your issue.

 

[Darkstar2007]

This is a list of bugs users are reporting with 4.3.5

iOS 4.3.5 update Crashes on iPhone

iPhone 3GS shutting down during phone calls

Signal Problem

After upgrade iOS 4.3.5 loosing Contact list

Can not transfer photos from iOS 4.3.5

iPhone 4 Mic Problem during calls

Battery Drains Faster

Can not update Apps after Upgrade iOS 4.3.5

1st gen iPad says not eligible for upgrade to iOS4.3.5

Problem with iOS4.3.5 with iPod
generation 4

Unable to connect to Internet with Ipod Touch 4.3.5

Apps crashing

Volume and Brightness button not working