The "4G" in many search queries for this device often refers to the HSPA+ speeds, which some carriers historically marketed as "4G" before LTE became the standard. How to Update Your Huawei B683 (2021 & Beyond)
This is the most reliable way to check for existing updates on older hardware. Connect your computer to the router via Ethernet or Wi-Fi. huawei b683 firmware update 4g 2021
While the device has long since reached its end-of-life status, you can still check for the final official firmware versions to improve stability and security. The "4G" in many search queries for this