Download the verified update.zip from a reputable source like the Huawei Enterprise Support portal or specific community-shared Google Drive links.
Power on the device. Most models will automatically detect the dload folder and initiate the upgrade process. Advanced Recovery and Unlocking huawei ec6108v9 update zip exclusive
Place update.zip and a configuration file (either once.cfg for a one-time update or unlmt.cfg for unlimited) into the dload folder. Insert the USB drive into the powered-off STB. Download the verified update