CipherLab RK25 Manuel utilisateur

RK25 OS Image Upgrade SOP

from Android Nougat to Android Pie

Version 1.02

The software contains proprietary information of its owner; it is provided under a license

agreement containing restrictions on use and disclosure and is also protected by copyright

law. Reverse engineering of the software is prohibited.

Due to continued product development, this information may change without notice. The

information and intellectual property contained herein is confidential between the owner

and the client and remains the exclusive property of the owner. If having any problems in

the documentation, please report them to us in writing. The owner does not warrant that

this document is error-free.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted

in any form or by any means, electronic, mechanical, photocopying, recording or otherwise

without the prior written permission of the owner.

For product consultancy and technical support, please contact the local sales representative.

Also, visit our website for more information.

All brand, logo, product and service, and trademark names are the property of their

registered owners.

Google, Google Play, Android and other marks are trademarks of Google Inc.

The editorial use of these names is for identification as well as to the benefit of the owners,

with no intention of infringement.

CIPHERLAB logo is a registered trademark of CIPHERLAB CO., LTD. All other brands,

products and services, and trademark names are the property of their registered owners.

The editorial use of these names is for identification as well as to the benefit of the owners,

with no intention of infringement.

CIPHERLAB CO., LTD.

Website: http://www.CipherLab.com

Version

Date

Notes

1.02

April 21st, 2020

Add “Important Notice” to Section 1.1 “Prerequisite”.

Add “Driver Installation Failed” to Section 1.2 “USB Driver”.

Update the figures in Section 2.1 “The Steps to Upgrade OS

Image”.

Add “Upfrade Failed” to Section 2.1 “The Steps to Upgrade OS

Image”.

1.01

March 10th, 2020

Section 2.1 “The Steps to upgrade OS Image”: Add description

about the pathname of the path to access RK25 OS image

upgrade tool.

1.00

March 4th, 2020

Initial release

RELEASE NOTES

RK25 OS Image Upgrade SOP (from Android Nougat to Android Pie) User Guide

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

Prerequisite

This chapter guides you all the things need to be done before upgrading the OS image of

your RK25 mobile computer.

IN THIS CHAPTER

1.1 Prerequisite for Upgrading OS Image ............................. 6

1.2 USB Drivers ................................................................ 8

PREREQUISITE

RK25 OS Image Upgrade SOP (from Android Nougat to Android Pie) User Guide

1.1 PREREQUISITE FOR UPGRADING OS IMAGE

The following items are demanded for upgrading your RK25 mobile computer OS image

from Android Nougat to Android Pie:

PC:

The operating system must be Windows 10.

Note: The image download tool is incompatible with Windows 7 and Windows 8.

Micro USB cable:

Use a micro USB cable to connect the PC with your device.

Activation Key:

Please contact the sales representative and provide the representative with the

Software Part Number and the device Serial Number of your RK25 mobile computer

for acquiring the activation key.

i) Serial Number

To check the Serial Number of your device, please go to App Drawer (All

Applications) | Settings |About phone | Status, and swipe to find

“Serial Number”.

Prerequisite

ii) Software Part Number

Please confirm the software part number of your RK25 mobile computer:

Model

Part Number

LTE GMS

A90W025GL0101

LTE Non-GMS

A90W025NL0101

Wi-Fi Only GMS

A90W025GW0101

Wi-Fi Only Non-GMS

A90W025NW0101

LTE RU

A90W025RL0101

Wi-Fi only RU

A90W025RW0101

RK25 OS Image Upgrade Package:

Once the information (device serial number, sofware part number, etc.) you provide

is confirmed, you will get the upgrade pacakage & the activation key from CipherLab.

The upgrade package contains the following:

i) Image Download Tool

ii) Keybox Image

iii) RK25 OS Image (Android Pie)

iv) Repair Tool

Important Notice:

After successfully upgrading the OS from Android Nougat to Android Pie, the RK25 mobile

computer will reset to the factory default which means all the app data, the apps installed by

yourself, and the MDM (Mobile Device Management) data will be erased. Thus, make sure to back

up your important information stored on your device before proceeding OS upgrade.

RK25 OS Image Upgrade SOP (from Android Nougat to Android Pie) User Guide

1.2 USB DRIVERS

For successfully upgrading the OS image of your RK25 mobile computer, USB Drivers must

be installed in your PC beforehand.

Depending on the operating system environment of your PC, the USB drivers may have

been installed in your PC already.

1.2.1 QUALCOMM USB DRIVER

CHECK WHETHER QUALCOMM USB DRIVER IS INSTALLED IN YOUR PC

1) Shut down your RK25 mobile computer, and then press the Volume Up Key, Volume

Down Key and Power Key of your RK25 mobile computer at the same time.

2) Connect the RK25 mobile computer with your PC by a micro USB cable.

3) Go to “Control Panel” →“Device Manager” in your PC to check whether it shows

“Qualcomm HS-USB QDLoader 9008” under “Ports”.

Qualcomm USB driver is installed

Qualcomm USB driver is NOT installed

Power Key

Volume Keys

Prerequisite

Note: The item shown on “Device Manager” may slightly different based on the operating

system environment of your PC.

HOW TO INSTALL QUALCOMM USB DRIVER

1) Power off your RK25 mobile computer, and press its Volume Up Key, Volume Down Key

and Power Key at the same time. Then connect the RK25 mobile computer with your PC

by a micro USB cable.

2) Go to “Control Panel” →“Device Manager” in your PC, and find the unknown device

which is with a yellow exclamation mark in front of the name.

3) On Device Manager, click to open the setting menu and select “Update driver”.

RK25 OS Image Upgrade SOP (from Android Nougat to Android Pie) User Guide

4) Select “Search automatically for updated driver software”to complete the update.

5) Once the driver is successfully installed, you will find your RK25 mobile computer is

shown up as “Qualcomm HS-USB QDLoader 9008” under “Ports” on Device Manager.

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