Table Of Contents - CipherLab RK25 User Manual

RK25 OS Image Upgrade SOP
CONTENTS
RELEASE NOTES ............................................................................................................................... 3
PREREQUISITE .................................................................................................................................. 5
1.1 Prerequisite for Upgrading OS Image ..................................................................... 6
1.2 USB Drivers .............................................................................................................. 8
1.2.1 Qualcomm USB Driver ............................................................................................. 8
1.2.2 ADB Driver .............................................................................................................. 11
1.2.3 Fastboot Driver ...................................................................................................... 14
1.2.4 Driver Installation Failed ....................................................................................... 17
OS IMAGE UPGRADE ....................................................................................................................... 18
2.1 The Steps to Upgrade OS Image ........................................................................... 19
2.2 Image Download Repair Tool ................................................................................ 25
2.2.1 Prerequisite ............................................................................................................ 25
2.2.2 Restore Your RK25 by Image Download Repair Tool .......................................... 28
4
(from Android Nougat to Android Pie)
User Guide