From phones to bank accounts, most of us juggle several passwords, PINs, and passcodes, making it hard to keep track of all of them. Maybe it's happened to you: you pick up your iPad, swipe to unlock ...

If you lock your iPad using a passcode (and for your privacy and security, you should) you can rest assured that it's highly secure. But if you can't remember the passcode — or you've entered it wrong ...