After the launch of 4g network their is a good improvement in the segment of network coverage.the network coverage is better than 3g which I achieved experienced customer service of jio is also use I use this service twice and receive a satisfies answer.i suggest you to use reliance 4g for free for 4 month more.in jio not charge for using this service the jio is charge and bill free.one thing I want to say 1gb data usage per day is very less as per the 4g network usage it should set automatically depending the use of cutomer