Hello ! I have used this airtel 4g hotspot for 3 months it work nicely some time but some time it is too slow that I can’t even used browser also. everytime I have to adjust the network also. And battery is also not good it doesn’t work tell 6hrs. it’s maximum time is 3-4hrs.it get’s heat when I start using it. And it doesn’t work on 3g or 2g network only in 4g that’s not good because some time when 4g network is gone I can’t even used any internet. so please try to improve your device. but I love it because in my area now there is no network problem.