<P> Jio shares spectrum with Reliance Communications . The sharing deal is for 800 MHz band across seven circles other than the 10 circles for which Jio already owns . </P> <P> In September 2016, Jio signed a pact with BSNL for intra-circle roaming which would enable users of the operators to use each other's 4G and 2G spectrum in national roaming mode . </P> <P> In February 2017, Jio announced a partnership with Samsung to work on LTE - Advanced Pro and 5G . </P> <P> On 21 July 2017, Jio introduced its first affordable 4G feature phone, powered by KaiOS, named as JioPhone . The price announced for it is ₹ 0 with a security deposit of ₹ 1500 which can be withdrawn back by the user by returning the JioPhone at Jio stores only after 3 years . This phone was released for beta users on 15 August 2017 and pre-booking for regular users started on 24 August 2017 . </P>

Jio has a network of optical fiber cable