# Pre Upgrade Instructions - MatataBot

If the serial number of your matatabot starts with **MTT1807**, then you are required to do this step. Otherwise, you can move on to MatatBot Upgrade.

{% content-ref url="matatabot-upgrade" %}
[matatabot-upgrade](https://learn.pakronics.com.au/troubleshooting/matatalab/matatalab-upgrade/matatabot-upgrade)
{% endcontent-ref %}

![](https://matatalab.com/wp-content/uploads/2019/12/1-scaled.jpg)

![](https://matatalab.com/wp-content/uploads/2019/12/2-6.png)

![](https://matatalab.com/wp-content/uploads/2019/12/3-6.png)

Connect MatataBot and Win-PC through ST-link datalink provided by Matatalab, then turn on the MatataBot. Right-click on MatataBotUpgrade.exe, choose “Run as an administrator”. You can find the application here.

{% content-ref url="resources-for-upgrade" %}
[resources-for-upgrade](https://learn.pakronics.com.au/troubleshooting/matatalab/matatalab-upgrade/resources-for-upgrade)
{% endcontent-ref %}

Click the “Upgrade” button the start the upgrade. If it shows “upgrade fails”, please click “Install Driver” to setup the drive manually.

![](https://matatalab.com/wp-content/uploads/2019/12/4-5.png)

![](https://matatalab.com/wp-content/uploads/2019/12/5-9.png)

After the progress bar is 100% loaded, your MatataBot is ready for DFU upgrade with MatataCode App now.

![](https://matatalab.com/wp-content/uploads/2019/12/6-6.png)

Now, you can go to the MatataBot Upgrade page.

{% content-ref url="matatabot-upgrade" %}
[matatabot-upgrade](https://learn.pakronics.com.au/troubleshooting/matatalab/matatalab-upgrade/matatabot-upgrade)
{% endcontent-ref %}
