.new network which work on fiber optics cable due tp this 4g volte we can do vooce call on our data jio.reliance jio 4g speed is very fast.joo network single is very strong. Its a give real 4g internet speed.i like this network. Ithink is a very powerful marketing f you have an older that only supports 3G, it may not work on your phone. You need 4G connectivity. To make calls, Jio uses VoLTE network. This is something new for India. This means calls are made using data connection. Now, it won’t be a problem for Jio to Jio calls. gio one of the best 4g operator in market now the best part of this is offering their services free for 3 months unlimited voice calls unlimited internet, unlimited sms and lots of gio apps for free, and speed of gio is really awesome Recently I purchased a 4G mobile which support Reliance Jio SIM . Jio offers free calling and free data till december 31 2016. Data speed is very good, we can watch videos online without buffering, we can do online shopping faster at festival season. Download speed is good. As you all know relaance had recently launched a mindbobling offer which had shaked whole indains and stock maket too. Here I m ginna tell you all about reliance jio sim features and quality