How To Unlock Airtel Zte Router ^new^

For fixed broadband routers like the ZTE F670L, you may need to use a "Telnet" method to change the configuration to a "stock" version.

Use a text editor like Notepad++ or a hex editor. Search for: how to unlock airtel zte router

If successful, the router will reboot and accept the new SIM card. For fixed broadband routers like the ZTE F670L,