Some third-party tools (like ONTRepair.exe) can flash firmware when the ONT is in a bootloop. This is risky and usually requires a serial-to-TTL adapter or special network boot mode.
Software & Firmware Download of Enterprise Products - Huawei echolife hg8321r firmware download
This is the part where most people get lost. Huawei does host public firmware for this ONT on their consumer support site. Here are the only relatively safe sources: Some third-party tools (like ONTRepair
: Efficient operation with a maximum power draw of approximately 5.5W. Dimensions : Ultra-compact design (134mm x 115mm x 27mm). Performance & Reliability: HG8321R FTTH Huawei does host public firmware for this ONT
: Always export your current configuration file from the web interface.
If the web interface is already corrupted, you need the "ONT Maintenance Terminal" (a Telnet/Serial tool) or TFTP.
Finding and downloading the correct firmware for the Huawei EchoLife HG8321R