A de-customized firmware file (usually an .bin or .exe file, such as version 21.313.05.00.00 or equivalent unlocked version).
What is the currently shown on your router's dashboard?
The "s-607" variant requires specific firmware files. Installing firmware meant for the B315s-22 or B315s-936 will cause a critical system failure. Required Tools and Prerequisites huawei b315s-607 unlock firmware
Balong Flash Detector or Huawei Flashing Tool.
These tools are primarily designed for phones and tablets, not for LTE routers. It's best to avoid using them on your B315s-607 to prevent unpredictable results. A de-customized firmware file (usually an
Required for the hardware USB boot method.
using the Balong tool – so you can re-flash later. Installing firmware meant for the B315s-22 or B315s-936
While holding the short, plug the other end of the USB cable into the router's USB port, then plug in the power adapter.
Use tweezers to bridge (short-circuit) those two gold contact points together.