Samsung Galaxy Core Prime

• How do I clear the cache/cookies?

• How do I switch my Caller ID on or off?

• How do I switch Delivery reports on or off?

• How do I set up the screen lock?

• How do I insert SIM card into my Samsung Galaxy Core Prime?

• How do I copy contacts from SIM card to phone?

• How do I change the screen brightness?

• How do I turn 3G network on or off?

• Samsung Galaxy Core Prime User Manual

• How do I manage the data usage?