Zte F601 — Firmware

Check the PON Status page in the firmware. Ensure your LOID (Logical ONT ID) or PLOAM Password matches the credentials provided by your ISP. If the firmware cannot register the authentication string correctly with the OLT, the fiber connection will remain blocked. Finding Safe Firmware Downloads

For operational details, these guides act as the standard reference papers: zte f601 firmware

If the web UI ( 192.168.1.1 ) is inaccessible, the firmware may have failed, or the IP address may be different. Perform a hard reset by holding the WPS/Reset button for 10-15 seconds. Check the PON Status page in the firmware