Jio-fi is tha good divise .you gate 4g lte data sarvish in your 2g and 3g mobile.
Jio-fi is good but it is slow for data sarvish.you gate internat speed 500-700 kb p/s for jio-fi.you connected your mobile Wi-Fi for jio-fi and gate 1gb data
Par day.you score jio-fi for waps2
password.
I am use jio-fi in my 3g panasonick mobile.
I love it but my mobile 3g.it is good
for they use 2g - 3g mobile.