The is primarily a GPON (Gigabit Passive Optical Network) terminal. If you are looking for EPON firmware to convert it into a cross-compatible XPON device, be aware that this process usually involves unofficial "cross-flashing" which can brick the device if not handled carefully . Firmware Access & Download
EPON and GPON operate on different physical layer protocols (Ethernet vs. GEM encapsulation). Flashing GPON firmware will permanently destroy the PON module. zte zxhn f670l epon firmware link
ZTE Zxhn F670l Firmware v1. 1.10p1n2e security vulnerabilities, CVEs. ZTE » Zxhn F670l Firmware » v1. 1.10p1n2e (Operating system) CVE Details The is primarily a GPON (Gigabit Passive Optical
Only use firmware obtained from your Internet Service Provider (ISP) or a verified official ZTE channel (which is rare for end-users). GEM encapsulation)
: For specific hardware revisions like v1 and v9, the IP Network Repository provides several .bin files for flashing. How to Update Your ZTE F670L Firmware
(supporting both GPON and EPON), obtaining EPON-specific firmware requires matching the exact hardware version (e.g., V1.1 vs. V9.0) and region. Official Firmware Sources