8.2.5. Block unwanted calls and messages ................................................................. 291
8.2.6. Find my device................................................................................................... 293
8.3. Privacy ................................................................................................................... 296
8.3.1. Location Service ................................................................................................ 296
8.3.2. Join User Experience Project ............................................................................. 298
8.3.3. Privacy Protecting and Security Warning .......................................................... 299
8.4. Advanced ............................................................................................................... 300
8.4.1. Screen pinning ................................................................................................... 300
8.5. App Encryption ...................................................................................................... 301
9. Share Internet connection and files ...................................................................................... 305
9.1.1. Tether your phone’s Internet connection .......................................................... 305
9.2. Share Files ............................................................................................................. 308
9.2.1. Wireless file sharing .......................................................................................... 308
9.2.2. Wired file sharing .............................................................................................. 312
9.2.3. Share from apps ................................................................................................ 313
10. Restart, update, back up, and restore ................................................................................... 314
10.1. Restart the phone.................................................................................................. 314
10.2. Update ColorOS software ...................................................................................... 315
10.3. Back up and restore the phone ............................................................................. 317
10.3.1. Back up your phone .......................................................................................... 317
10.3.2. Restore data on your phone .............................................................................. 319
10.3.3. Reset the phone ................................................................................................ 322
11. Barrier-free ............................................................................................................................ 323
11.1. TalkBack ................................................................................................................. 323
11.2. Magnification Gestures ......................................................................................... 325
11.3. Press Power Button to End Call ............................................................................. 326
12. Safety, handling, and support ............................................................................................... 327
12.1. Health & Safety ..................................................................................................... 327
12.1.1. Using Environment ............................................................................................ 327
12.1.2. Battery Safety .................................................................................................... 328
12.1.3. Charger Usage Notes ......................................................................................... 329
12.1.4. Traffic Safety .......................................................................................................... 330
12.2. Maintenance and Repair ....................................................................................... 330
12.2.1. Phone Cases .............................................................................................................. 330
12.2.2. Screen Protector........................................................................................................ 331
12.2.3. Maximize battery life and lifespan ............................................................................ 331
12.2.4. Keep Clean ................................................................................................................. 332
12.2.5. Keep dry and solve water damage ............................................................................ 332
12.2.6. Use connectors, ports, and buttons. ......................................................................... 333
12.2.7. Other information ..................................................................................................... 333
12.3. FCC Compliance Statement ................................................................................... 334