: With the TV off, plug in the USB. Hold the Power button on the TV (not the remote) and plug the TV into the wall. Keep holding until the update progress bar appears.
: Format a USB drive (8GB or less is best) to FAT32 . Download IRIS 55E6710 Firmware part03 rar
Since multi-part archives are frequently hosted on community-driven sites, you can check these platforms: : With the TV off, plug in the USB
: Often hosts multi-part RAR files for various LED TV brands using common Chinese-manufactured mainboards like those found in Iris TVs. : With the TV off
: A major database for TV repair files, though it often requires passing a short technical quiz to download. Technical Details to Verify