Reliance jio is .a good product of reliance ( jio fi give me high speed I fully trust jio fi internet speed most beautifull thing of jio fi is . That we take to hd calls and high speed video calls . It is a hot s pot device so conected many device.it conect up to 31 device .it is very helpfull me and our pc .i think one thing is less on jio fi .is that any sim can not sopurt this device