Downloading firmware from third-party sites using "verified" or "full version" tags often leads to malicious software. The ZTE ZXV10 W300 series already has documented flaws, including:
Click Browse → select your downloaded .bin or .trx file → Upgrade . download firmware modem zte zxv10 w300 series verified
Once you download a .bin , .trx , or .zbi file, verify it before proceeding: or .zbi file
The modem will take 3–5 minutes. Do not refresh, do not close the browser. The progress bar will reach 100%, then the modem will reboot automatically. then the modem will reboot automatically.