Before Upgrade

Intro

This tutorial introduces how to download firmware to device through
Type-A to Tyep-C USB cable.

Prepare

AIBOX-8550

Windows PC with x86_64 arch cpu.

Type-A to Tyep-C USB cable

Get Firmware

You can build firmware from SDK, or download from

Resources Download

 (complete firmware).

Complete firmware  Complete firmware is an archive with every part
(like parameter, bootloader, kernel, system, etc.) in it. Complete
firmware will be an archive contains lots of files. Firmwares released
officially by Firefly Team will all be complete firmwares. Download
complete firmware to device will erase all data and partitions.

Partition image  A partition image only contains the content of a
single partition. The most commonly used ones are boot.img and
dtbo.img. Download partition images is often used for partial
upgrades, functional verification, and comparative analysis. The
prerequisite for using partition images is that the device is
operating normally. If the device cannot boot up, only the complete
firmware can be used.

Install Tools

Install USB drivers

Please download from

USB Driver

.

There are two drivers. First install Qualcomm USB Driver, double click
the exe file to run, accept the EULA and always click "next", finally
click "finish".

Then install Google USB driver, extract "usb_driver_r13-windows.zip",
right click the "android_winusb.inf" and click "install", always click
"confirm".

Install QTSP

Please download form

QTSP Tool

.

Extract, then double click "QPST.2.7.496.1.exe", accept the EULA and
always click "next", then click "install", finally click "finish".

After installation, the tool we need is C:\Program Files
(x86)\Qualcomm\QPST\bin\QFIL.exe

Double click QFIL.exe to open it.

Install Android SDK Platform-Tools

Download from

Platform Tools

.

Extract it after download, you will find adb.exe and fastboot.exe