M using airtel 4g in delhi.and downloading speed is as good as 2g speed.woww.i called to airtel customer care and the first line was-indias fastest netwrk.had hi ho gai.my cousin is using jio and I usually used his netwrk for downloading bxz u cant download a 10mb file on airtel.and when I talk to them they said ntwrk is ok.setting is ok. everything is ok.and still m getting 50kbps downloading speed. really a fastest netwrk.where jio sim is giving 5 to 10 mbps downloading speed.plz dont use airtel ntwrk