Once you have downloaded the correct .bin , .img , or .zip file, follow this protocol exactly.
: Updates can add support for new technologies like VPN services or updated Wi-Fi standards. How to Download and Install "Better" Firmware
A single firmware download will not turn a budget 4G dongle into a 5G rocket ship. However, it will unlock the full potential of your existing hardware: better carrier aggregation, smarter cooling, lower ping, and a more secure connection. Before you buy a new router, spend 10 minutes checking for a firmware update. Your download speeds will thank you.