: With the TV off, insert the USB into a white USB 2.0 port . Press and hold the Power/Standby button on the remote while plugging the TV back in until "Software Updating" appears.
: Visit the Hisense Firmware Download page and enter your TV's Serial Number to find the exact software version for your unit. Global Support : If the US site doesn't list your specific model ( 70M7000UWG ), check the Hisense Global Support site. Download Hisense UHD Smart 70M7000UWG part01 rar
Searching for split archive files like "part01.rar" for the Hisense UHD Smart 70M7000UWG : With the TV off, insert the USB into a white USB 2
: Place the extracted firmware file (often named something like upgrade_loader.pkg ) onto the root of the USB drive—do not put it inside a folder. Perform the Update : Global Support : If the US site doesn't
usually indicates a manual firmware update package. These multi-part files must be fully downloaded and extracted together to produce a single .pkg or flash file for your TV. How to Get and Use Official Firmware