How to upgrade the touchscreen firmware?

1) Download the newest version of touchscreen firmware on:

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 -

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