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.

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

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

❗Warning: Do not power off the touchscreen during upgrading!

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