Download Iris LCD update files from our website.
Continue to Step 01 Install Driver.
Continue to Step 02 Prepare for LCD BIOS update.
1. Find the pin hole.
2. Press for 5 seconds, wat for LCD to go dark.
Continue to Step 03 BIOS update.
Finished!! LCD will restart automatically.
Please restart MasterPlus+, after LCD has been restarted.