How do I set or change a PIN (password) on my phone?
How do I unlock my phone?
How often do I need to enter a PIN to unlock my phone? 
Can I make an emergency call on a locked phone?
What do I do if I've entered the wrong PIN too many times?


आलेख ID: 12372 - पिछली समीक्षा: 31/08/2016 - संशोधन: 29