Because this specific "IRIS Backup rar" is likely a technician's dump from a working unit, you'll find it on specialized repair forums. Here are the most reliable spots to check:
Chassis TP.MS3663T.PB751
Great for verified USB update files and SPI dumps. ⚠️ Pro-Tip for Installation Download MS3663T PB751 1366x768 IRIS Backup rar
This is a very common "three-in-one" (Power + LED Driver + Main) Chinese chassis manufactured by CVTE. It’s widely used in budget-friendly LED TVs across several brands, including: Because this specific "IRIS Backup rar" is likely