Firmware Zte F609 V5.2 !exclusive! Download -

1 POTS (VoIP) port for telephone services and 1 USB port for file sharing or backup.

Use a stable power source. If your area is prone to blackouts, consider using a UPS during the update. Post-Update Reset: Firmware Zte F609 V5.2 Download

The ONT will reboot automatically. Do not turn off the device until all LEDs flash and return to normal. Troubleshooting 1 POTS (VoIP) port for telephone services and