Test Cases for Mobile Phone

Write test cases for cell phone

1)Check whether Battery is inserted into mobile properly
2)Check Switch on/Switch off of the Mobile
3)Insert the sim into the phone n check
4)Add one user with name and phone number in Address book
5)Check the Incoming call
6)check the outgoing call
7)send/receive messages for that mobile
8) Check all the numbers/Characters on the phone working fine by clicking on them..
9)Remove the user from phone book n check removed properly with name and phone number
10) Check whether Network working fine..
11)If its GPRS enabled check for the connectivity
12)Check whether the items are displayed properly
13)Click on all the settings in the mobile- verify whether they are functioning properly.
14)Delete the user from the mobile- verify whether the user is deleted from the phonebook
15)Verify it is user friendly or not by clicking the menu.