Comment 2 for bug 1522143

A code is a (only) 4 digit number password.

If I want to choose a only digits but longer password, I'm forced to use a 'passphrase' kind of password.
In this case, I need to enter digits everytime I want to unblock my phone, but the number keys are not showed in the keyboard I'm provided to enter the passphrase. I need to press an extra key to reveal them. We could make the number keys available at all times on a top row of the keyboard we display currently, so as to make it easier for people choosing only digits or letters+digits passphrase to enter their password to unblock the phone.