A firmware for V500R019 will crash on a V500R020 device.
If you are an end-user, contact your . Carriers often use customized firmware versions, and installing generic firmware can lead to service disruptions. Automated Updates : Huawei Echolife Hg8245w5 Firmware Download
They are different hardware revisions. The is a specific hardware version. You must use firmware compatible with the W5 hardware ID. Using firmware intended for the HG8245H or HG8245Q will likely damage your device. A firmware for V500R019 will crash on a V500R020 device
The safest method is contacting your internet provider to ask if they can push a remote update, as they manage the firmware via TR-069 protocols. Huawei Enterprise Support: Check the official Huawei Support site Huawei Echolife Hg8245w5 Firmware Download