Set your device to turn on and turn off automatically
.....................................................................................................................................................................
199
Reset the device
.....................................................................................................................................................................................................................................
199
Check the battery power level
.............................................................................................................................................................................................................
199
Extend battery life
.................................................................................................................................................................................................................................
199
Format the device memory or a media card
......................................................................................................................................................................................
200
View the amount of available memory
...............................................................................................................................................................................................
200
Best practice: Optimizing your device performance
........................................................................................................................................................................
200
SIM card
........................................................................................................................................................................................................................................
203
About the SIM card phone book
..........................................................................................................................................................................................................
203
Add a contact to your SIM card
...........................................................................................................................................................................................................
203
Copy contacts from your SIM card to your contact list
....................................................................................................................................................................
203
Copy a contact from your contact list to your SIM card
..................................................................................................................................................................
203
Change a SIM card contact
..................................................................................................................................................................................................................
204
Delete a SIM card contact
....................................................................................................................................................................................................................
204
Store SMS text messages on your SIM card
......................................................................................................................................................................................
204
About SIM card security
........................................................................................................................................................................................................................
204
Protect your SIM card with a PIN code
..............................................................................................................................................................................................
204
Change the SIM card PIN code
...........................................................................................................................................................................................................
205
Change the display name for a phone number
.................................................................................................................................................................................
205
Security
.........................................................................................................................................................................................................................................
207
Security basics
........................................................................................................................................................................................................................................
207
Password keeper
....................................................................................................................................................................................................................................
208
Encryption
...............................................................................................................................................................................................................................................
210
Memory cleaning
...................................................................................................................................................................................................................................
212
Certificates
..............................................................................................................................................................................................................................................
213
PGP keys
.................................................................................................................................................................................................................................................
219
Certificate servers
..................................................................................................................................................................................................................................
224
Key stores
................................................................................................................................................................................................................................................
225
Smart cards
.............................................................................................................................................................................................................................................
227
Software tokens
.....................................................................................................................................................................................................................................
231
About security self-tests
.......................................................................................................................................................................................................................
231
Verify security software
........................................................................................................................................................................................................................
231
Third-party application control
...........................................................................................................................................................................................................
231
Security troubleshooting
......................................................................................................................................................................................................................
234
Service books and diagnostic reports
.....................................................................................................................................................................................
237
Service books
..........................................................................................................................................................................................................................................
237
Diagnostic reports
.................................................................................................................................................................................................................................
237
BrickBreaker
.................................................................................................................................................................................................................................
241