Test Cases for Mobile Phone

Test Cases for Mobile Phone:
1)Chek whether Battery is inserted into mobile properly
2)Chek Switch on/Switchoff of the Mobile
3)Insert the sim into the phone n chek
4)Add one user with name and phone number in Address book
5)Chek the Incoming call
6)chek the outgoing call
7)send/receive messages for that mobile
8)Chek all the numbers/Characters on the phone working fine by clicking on them..
9)Remove the user from phone book n chek removed properly with name and phone number
10)Chek whether Network working fine..
11)If its GPRS enabled chek for the connectivity.
12)if its bluetooth there check it.
13) check mobile performance
14) check the talk time
15) check the mobile panel and keys