Ugoos UM3 Firmware Update Guide

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What you need
- firmware image file
- Host PC
- USB OTG Cable

Supported host OS 
- Windows XP （32/64bit)
- Windows 7 (32/64bit)
- Windows 8 (32/64bit)

The first thing you need to do is to download the archive with firmware. Inside arhive you find:
- BatchTool or Android Tool - tool for reflashing
- DriverAssitant - tool to install drivers and firmware image file
- Firmware image

Installing drivers 

Launch RK DriverAssitant and press on button “Install Driver”. During installation programm a couple of times will ask whether you want to install the driver. At the end installation you can see  window what driver is successfully installed.  

 

Connecting device to PC

Find recovery button on device, press and hold it.
Connect device to PC via USB by OTG.

Upgrading firmware with Android Tool

Run the Android Tool and click on the “Upgrade Firmware”.  If you did everything correctly and the driver is installed on your computer, you will see “Found One Loader Device“. Click on button “Firmware” and specify the path to the firmware file. You need waiting until the program downloading information about the firmware, then it will display some information on the screen.Now click the Upgrade button to the firmware of the device. At the end you will see a sign indicating a successful operation.

 

Upgrading firmware with Rockchip Batch Tool

Run the Rockchip Batch Tool and click on the “…” to choose file with firmware.  If you did everything correctly and the driver is installed on your computer, you will see green light on one of the  indicators. Now click the Upgrade button to the firmware of the device. At the end you will see a sign indicating a successful operation.​