For advanced users looking to "unbrick" or modify their device:
Official updates are region/carrier-specific (China Telecom, China Unicom, etc.) and are from Huawei directly. However, some archived stock updates can be found on Chinese tech forums (ZNDS, HDPfans). huawei ec6108v9 update zip
Software & Firmware Download of Enterprise Products - Huawei For advanced users looking to "unbrick" or modify