My iPhone 5S says it's disabled and to connect to iTunes, iTunes says it needs 4 digit pass code. I tried to restore it but device wasn't recognised. Any ideas? I only got it yesterday.

You will have to restore it. See the instructions in this support document. If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled - Apple Support

How did the passcode get on the phone to begin with, if you "only got it yesterday"? Regardless, to remove it, you'll have to force the phone into recovery mode, as described here, & restore it:

http://support.apple.com/kb/ht1808

This will remove the passcode.

Hi,

my iphone got disabled because of wrong pass code can any one help it out to fix this

Thanks,

Mohan

my iphone is disabled how do i reset it