I am using idea 4G.i have 1 gb per day plan and its validity upto nov 2017. Regularly after using 500 Mb data with 4G speed ( continue watching video or doing something), one message of 500 Mb data finished occours on my screen, and after few second 4G connectivity lost and I am unable to go with 4G speed after many try. Network customer care people told me to restart my phone. And after many complaint they are not able to solve my problem of this.
Gwalior 474005, Madhya Pradesh