The most reliable way to unlock a router for use with other networks is to contact Airtel directly. Most service providers will provide an unlock code or remotely unlock a device once the contract terms have been met or the device has been paid for in full. Locate the IMEI
: From here, settings such as the Wi-Fi name (SSID), password, and security protocols can be adjusted. Method 3: Resetting the Device how to unlock airtel zte router