If you only need to update the router, look for the .bin firmware file on the official ZyXEL Support Site [1], which is designed for standard web interface upgrades.
Flashing a "dump" file (especially if it is not specifically designed for your exact router model and hardware version) can permanently damage ( brick ) your device. Download ZYXEL P6601HN Dump rar
Allows users to restore a "bricked" router that will no longer boot by flashing the dump directly to the chip via JTAG or UART interfaces. If you only need to update the router, look for the
, specifically in a .rar format, likely for troubleshooting, firmware flashing, or hacking purposes. , specifically in a
Are you trying to or upgrade the firmware ?
To help me narrow down the specific files you need, could you share: What is the on the sticker (e.g., P-660HN-T1 P-660HN-51 What is the hardware version (e.g., v1, v2)?