Q4 Pro Firmware V1.20 Upgrade Instructions
Please complete the Q4 Pro firmware upgrade by opening each folder and following the instructions inside **in the exact order shown below:
1. Q4 Pro Main Controller Firmware Upgrade
2. Q4 Pro Display Firmware Upgrade
3. Q4 Pro Display UI Upgrade
4. Q4 Pro Wireless Receiver Firmware Upgrade
Please complete all upgrade steps in each folder before proceeding to the next one.

 System Requirement
The firmware upgrade tools require **Microsoft .NET Desktop Runtime** to run.

If .NET Desktop Runtime is not already installed on your computer, please install it first before running the upgrade tools.

For the included upgrade tools, please install:
Microsoft Windows Desktop Runtime 8.0 (x86)
After the installation is complete, close the installer and run the firmware upgrade tool again.

 Important
* Please follow the upgrade order  1 → 2 → 3 → 4 .
* Do not skip any step or change the upgrade sequence.
* If the upgrade tool displays a message such as **“You must install .NET Desktop Runtime to run this application,”** install the required .NET Desktop Runtime first, then restart the upgrade tool.

