The executable software used to push files to the device.

is locked? Insert a SIM card from a different network. If the web interface asks for a "Network Unlock Code" or "SIMLock Unlock Code," it is locked.

What is the installed on your router?

If your router is heavily locked, you may need to open the casing to short-circuit two specific boot pins (the "shot method") while inserting the USB cable.

The is a popular 4G/LTE Cat4 router. A universal firmware (unlocked, multi-country) can help if:

Without disconnecting the router, load the Web UI file into your flashing tool. Click again to install the user interface. Once completed, unplug the USB cable and the power cord.

huawei b315s-22 universal firmware download
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