Check sticker under battery or on USB cap: Example: UFI-003S , MF79U , E8372h-153 , UFI-W4
The humble 4G Ufi dongle is a workhorse, but it is only as good as the firmware running it. Updating your twice a year ensures maximum speed, security, and stability. 4g Ufi Dongle Firmware
Always verify the MD5 checksum of the downloaded file against the official release hash. Check sticker under battery or on USB cap:
Firmware updates are frequently transmitted over HTTP or stored on unsecured FTP servers. Without code signing, an attacker capable of a Man-in-the-Middle (MitM) attack can replace the update binary with malicious firmware. 4g Ufi Dongle Firmware