: Plug the USB drive into the TV's USB port (prefer USB 2.0 if available).
: Use a tool like WinRAR or 7-Zip. Right-click on part1.rar and select "Extract Here." If all parts (including part4.rar) are in the same folder, it will automatically combine them into a single file (usually ending in .bin or .pkg ). Download IRIS 43G7200 Firmware part4 rar
: Use a PC to format your USB flash drive to FAT32 . : Plug the USB drive into the TV's USB port (prefer USB 2
For the TV to recognize the update, the USB drive must be formatted correctly. : Use a PC to format your USB flash drive to FAT32
: Ensure the firmware version matches your specific board number (often found on a sticker inside the back panel) to avoid bricking the device. 2. Preparing the USB Drive
: Do not turn off the TV during this process. Once finished, the TV will usually reboot automatically. Remove the USB drive after the reboot to prevent it from starting the update again. 4. Troubleshooting
Downloading and installing firmware for an Smart TV typically involves gathering multi-part compressed files (like the part4.rar you mentioned) and using a USB drive to perform a manual flash . Because IRIS is a popular brand in specific regions like North Africa, official firmware is often hosted on community-driven technical portals rather than a single global manufacturer site. 1. Locating the Download