U.M. Android v5.1.1

TABLE OF CONTENTS
Revision History.................................................................................................................................... iii
About This Guide
Introduction........................................................................................................................................... xi
Documentation Set ......................................................................................................................... xi
Configurations....................................................................................................................................... xi
Software Versions........................................................................................................................... xii
Chapter Descriptions ............................................................................................................................ xii
Notational Conventions......................................................................................................................... xii
Related Documents and Software........................................................................................................ xiii
Service Information............................................................................................................................... xiii
Chapter 1: Getting Started
Introduction .......................................................................................................................................... 1-1
Unpacking ............................................................................................................................................ 1-1
Features ............................................................................................................................................... 1-2
Getting Started ..................................................................................................................................... 1-4
Installing a micro SIM Card (ET55 Only) ....................................................................................... 1-4
Install a microSD Card ................................................................................................................... 1-8
Charging the ET5X ........................................................................................................................ 1-9
Google Account Setup ................................................................................................................... 1-9
Removing the microSD Card ............................................................................................................... 1-10
Turning Off the ET5X ........................................................................................................................... 1-10
Turning Off the Display ........................................................................................................................ 1-11
Battery Management ........................................................................................................................... 1-11
Monitor Battery Usage ................................................................................................................... 1-11
Low Battery Notification ................................................................................................................. 1-12
Battery Optimization ....................................................................................................................... 1-13
Turning Off the Radios ................................................................................................................... 1-13
Setting the Date and Time ................................................................................................................... 1-13
Display Setting ..................................................................................................................................... 1-13
Setting the Screen Brightness ....................................................................................................... 1-14
Setting Screen Timeout Setting ..................................................................................................... 1-14