F601 Firmware ~upd~ | Zte

Alternatively, via Telnet (port 23, if enabled):

| Source | Reliability | Notes | |--------|-------------|-------| | ISP support portal | High | Request firmware for your specific ISP branding | | Tech forums (DSLReports, 4pda, Huawei-ont.com) | Medium | Often leaked; check MD5 hashes | | China Telecom / Unicom archives | Low | May lock device to their network | zte f601 firmware

Status → Device Information → Software Version Example: V3.0.10T1_20180423 (shows major version + date) Alternatively, via Telnet (port 23, if enabled): |