Yes, but check your current version. If it is older than 2020, update for security. If it is 2023+ and stable, skip it.
Search for "Huawei Firmware Updater 10.0.3" (Balong 7.x version). Do not use the old "Huawei Firmware Finder" app—it is deprecated. huawei e8372h-155 firmware update
Rollback possible only if you kept the original firmware file. Yes, but check your current version
You also need the WebUI version (the visual interface). Older devices might have 17.100.09.00.03; newer ones have 21.100.xx.xx. You also need the WebUI version (the visual interface)