Onda has changed the way dual-core tablets update to Update 1.5.5 and Update 2.0 (Android 4.1.1 (Jelly Bean)). This is different from the first method of update previously released (Update 1.4 and 1.5).
Here is how you do it now. This is valid for both V971 and V711.
Download the Jelly Bean update from Onda website:
Remove any external TF or (micro)SD card from tablet. On your Windows XP or 7 PC, unzip the downloaded file from Onda into a folder of the same name.
Go into the unzipped folder and enter the “USB-Burning-tool-SPI” folder.
Find the “ImageBurnTool.exe” file. Double-click it to start the update tool.
Now you need to load the update image (folder “V971D_A4.1.1-1101” -> “Resource.V971D_A4.1.1-1101.zip”). Note that the image name ends with a .zip.
To load into tool, go to the top left hand corner of the tool with the character (配置->导入升级文件), and choose the “Resource” file in the unzipped folder.
Wait for the tool to fully load the chosen image. You will see it appear in the tool as below.
Shut down your tablet. The next sequence is very important. Hold down the “Home” button before connecting you tablet to your PC using the USB cable. While still holding down the “Home” button, press and hold the power button for 4 seconds. Both buttons can be released when you see that the tool has detected the tablet. For users doing it for the first time, go to step 8. If you have done step 8 before, go to step 11.
This step is to install the driver for the tablet. The “Home” and power button can be released. When you see the device driver installation appear, choose the 2nd option and click next.
Make sure you include the driver location of your update zip folder as a location for the system to search to detect the driver. Driver folder is “V971D_A4.1.1-1101″->”USB-Burning-tool-SPI”->”AmlogicusbBurningdriver”.
Click next and wait for driver to be installed.
Step 11: (Make sure steps 8-10 have been done before, else update will not be successful)
You should see the tablet as detected at this point.
Points to note:
Only 1 tablet can be updated at one time. Do not attempt to update more than 1 tablet at the same time.
If the tool detects 2 USB ports with devices even though only 1 tablet has been connected, ignore and proceed.
Press the “Start” (开始) button on the right side of the tool to start the update process.
Updating 1 tablet will take about 5-10 minutes. After it has been completed, you will see the tool as below. It should state 100% and the USB port corresponding to the tablet connection should be green. Click on the 2nd button below the first to “Stop” (停止) the tool. After doing this, the tablet should be in “shut down” status and it is safe to remove the USB connection to the PC. The tablet can be switched on and will function normally after this.
If the update fails halfway through, press the “Stop” button. Disconnect the tablet from USB cable. Go to step 7 and start from there. If a message pops up asking you to do something. It should be at top left hand corner 配置->重置端口对应信息 . After clicking ok on the message, go to the path and click on (重置端口对应信息) before proceeding with the rest of step 7.