means the generic Huawei firmware build (e.g., B315s-22_UPDATE_21.329.01.00.00_MZ15 ). It is not tied to any carrier.
The process typically takes 3 to 5 minutes . Do not disconnect the power or USB cable during this time, as it can "brick" the device. huawei b315s-22 universal firmware download
Unlike carrier-locked firmware (e.g., “B315s-22_Telcel_1.0.1”), universal firmware: means the generic Huawei firmware build (e
You can also manage the router using the HUAWEI HiLink or AI Life apps after the update is complete. huawei b315s-22 universal firmware download