please hepl to unlock of my iphone 4s for please connect to itune

If you cannot remember the passcode, you will need to Restore the device...

1) Connect to iTunes on the computer you usually Sync with and Restore...

http://support.apple.com/kb/HT1414

2) If necessary Place the Device into Recovery mode...

http://support.apple.com/kb/HT1808

Note on Recovery Mode.

You may need to try this More than Once...

Be sure to Follow ALL the Steps...

Once you have Recovered your Device...

Re-Sync your Content or Restore from the most recent Backup...

Restore from Backup

http://support.apple.com/kb/ht1766

If you are trying to restore and you device shows an image of a USB cable and connect to iTunes then carefully follow the steps in this article. You may need to do is several times http://support.apple.com/kb/ht1808