> For the complete documentation index, see [llms.txt](https://manual.rotrics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.rotrics.com/faq-troubleshooting/faqs/upgrade-touchscreen-firmware.md).

# How to upgrade the touchscreen firmware?

#### 1) Download the newest version of touchscreen firmware on:

#### <https://www.rotrics.com/pages/download>

#### 2) Unzip and copy those files to replace the files in SD card.&#x20;

![](/files/-M7bwFwMNuzJ95dy9I0B)

#### 3) Insert the SD card to your touchscreen, connect to DexArm and power on.&#x20;

Wait for 30s - 1min, the touchscreen will reboot after upgrading completed.&#x20;

{% hint style="danger" %}
❗**Warning:** Do not power off the touchscreen during upgrading!
{% endhint %}

After upgrading, click **`Settings -> About`** to make sure the firmware has been upgraded to the newest version.

❗If the upgrade failed or the screen goes black, follow this instruction to fix it -  <https://manual.rotrics.com/troubleshooting/troubleshooting-accessories#1-how-to-fix-a-black-screen-after-upgrading-the-firmware>