Really thanks to mr Mukesh Ambani for launching of this sim its an godgift for all those persons who wanted to access to the internet people easily can use anything like free calls , messages , data usage all thing UNLIMITED which is really a very big thing for any person .Its connectio are pretty good and especially in the night its connection goes reallly well. Any person having a 4G phone should buy a jio phone and if not having a 4G phone go and buy the jio hotspot .So go and enjoy