If your ONT randomly reboots or drops the GPON connection (LOS light blinking red), a firmware update can resolve memory leaks.
If your ISP confirms an update is needed and provides a file, they will give you specific instructions. Common update methods include: huawei hg8321r firmware download
If you'd like to , I can help you find their support contact number. Alternatively, tell me: What is your current firmware version? If your ONT randomly reboots or drops the
Navigate to > Firmware Upgrade (the exact menu path may vary slightly depending on your current firmware version). huawei hg8321r firmware download