Firmware Zte F609 Xpon -

: Automatically identifies and adapts to GPON or EPON signals, eliminating the need for separate hardware.

Official firmware is (customized for each provider). You cannot download a universal firmware from ZTE directly. Sources: Firmware Zte F609 Xpon

When done correctly, a fresh firmware can resurrect an old ZTE F609 XPON, improving throughput from 70Mbps to a stable 300Mbps on LAN and fixing the dreaded 4-hour Wi-Fi dropout loop. When done wrong, you'll be searching for "SPI flash programmer ZTE F609" next—a much more expensive keyword. : Automatically identifies and adapts to GPON or

ZTE_F609_V3.0.0_TELKOM_20190418.bin