To setup Airtel 4G LTE Stick which can be downloaded from. Experience the fastest internet ever on airtel 4G data card and watch HD videos, play multiplayer games and do a lot anytime, anywhere! 04-09-2013 I recently purchased a 4G LTE Dongle from Airtel provider in India the manufacture of dongle is ZTE and Model is MF825A seems specific to Airtel only for now. I forgot the number of airtel 4g hotspot and now its not working.I went to the airtel counter with sim and the device but they ask for the help to recover,please? Usually when you buy a Airtel 3G dongle device, you have to install a software called Connection Manager.