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Power, battery, and memory ......................................................................................................................................................................................................... 247
Turn off your device ................................................................................................................................................................................................................................... 247
Set your device to turn on and turn off automatically ......................................................................................................................................................................... 247
Check the battery power level ................................................................................................................................................................................................................. 247
Check the battery power level using a voice command ........................................................................................................................................................................ 43
Reset the device ......................................................................................................................................................................................................................................... 247
Extend battery life ..................................................................................................................................................................................................................................... 247
SIM card ........................................................................................................................................................................................................................................... 249
About the SIM card phone book ............................................................................................................................................................................................................... 175
Add a contact to your SIM card ............................................................................................................................................................................................................... 175
Copy contacts from your SIM card to your address book ..................................................................................................................................................................... 175
Copy a contact from your address book to your SIM card ................................................................................................................................................................... 176
Change a SIM card contact ...................................................................................................................................................................................................................... 176
Delete a SIM card contact ........................................................................................................................................................................................................................ 176
Store SMS text messages on your SIM card ............................................................................................................................................................................................ 84
About SIM card security ........................................................................................................................................................................................................................... 250
Protect your SIM card with a PIN code ................................................................................................................................................................................................... 251
Change the SIM card PIN code ................................................................................................................................................................................................................ 251
Change the display name for a phone number ..................................................................................................................................................................................... 251
Security ............................................................................................................................................................................................................................................ 253
Security basics ........................................................................................................................................................................................................................................... 253
Password keeper ........................................................................................................................................................................................................................................ 254
Encryption .................................................................................................................................................................................................................................................. 256
Memory cleaning ....................................................................................................................................................................................................................................... 258
Advanced security ..................................................................................................................................................................................................................................... 259
Smart cards ................................................................................................................................................................................................................................................. 261
Software tokens ......................................................................................................................................................................................................................................... 262
VPN settings .............................................................................................................................................................................................................................................. 262
Security troubleshooting .......................................................................................................................................................................................................................... 264
Third-party application control .................................................................................................................................................................................................. 265
About permissions for third-party applications ................................................................................................................................................................................... 265
Reset connection permissions for third-party applications .............................................................................................................................................................. 265
About direct Internet connections for third-party applications ........................................................................................................................................................ 265
Set up a direct Internet connection for a third-party application ..................................................................................................................................................... 265
Set permissions for a third-party application ....................................................................................................................................................................................... 265
Connection permissions for third-party applications ......................................................................................................................................................................... 266
Interaction permissions for third-party applications .......................................................................................................................................................................... 266
Data permissions for third-party applications ...................................................................................................................................................................................... 267