Blackberry 8820 question

Alright I have a question for you Blackberry gurus. I just bought a used 8820 off of ebay. I know I should have bought it somewhere else, but I don’t want to sign a new contract. Anyway here is my question. Is there any way to turn off the password part where I don’t have to enter the password after not using it in 15 min.? Also is there software where I can get a address book so I don’t have to type in all my contacts on the phone it’s self?