User's Manual

Table Of Contents

4.6.9 Privacy and Location Information ....................................................... 17

4.6.10 Account ........................................................................................................ 17

4.6.11 Accessibility ................................................................................................ 18

4.6.12 System .......................................................................................................... 18

4.6.13 About Mobile ............................................................................................. 18

4.7 Others ...................................................................................................................... 19

5 Software Operation ......................................................................................................... 19

5.1 Software Installation ............................................................................................ 19

5.1.1 Local Installation ....................................................................................... 19

5.1.2 Google Installation ................................................................................... 19

5.2 System Firmware Upgrade ................................................................................ 19

5.2.1 Online Upgrade......................................................................................... 19

6 Troubleshooting and Product Maintenance ............................................................ 20

6.1 Troubleshooting ................................................................................................... 20

6.2 Device Maintenance ............................................................................................ 21

Appendix 1 P9IV Product Specification ............................................................................. 22