I have forgotten my iphone passcode how to know it now?
u can go to a hrdwre exprt or man who know passwrd hack .and he can solve your problem
How do you put in iPhone 4S passcode if its forgotten?
you cant. you need to go to an apple store.
If you restore your iPhone after forgetting your passcode lock will you be able to set a new passcode without having to know the old one?
No you cannot, it has not even had a keynote yet.
IPhone application that locks the SMS like everytime i goto the messages have to type a passcode?
Yes, and unlocking it allows you to use other service providers.
How do you get the passcode of when you lock your iPhone with find my iPhone?
Since you set the passcode, when you get your phone back, you enter the same passcode you entered on FIND MY IPHONE