Flashing firmware can "brick" your device if done incorrectly. Ensure you use the exact firmware for the Go to product viewer dialog for this item. model.
: Routers with firmware version 21.311 or higher often have increased security, sometimes requiring a "boot shot" (opening the device) to bypass protection. huawei b315s-607 unlock firmware
Search for firmware files labeled:
What is the currently shown on your router's dashboard? Flashing firmware can "brick" your device if done