Here is the Modem Link along with fastboot and bat : Dev-Host
I'm not responsible if something goes wrong although its working for me cause i have tested it
Are you able to make calls through phone dialer? I'm not, as soon as I make a call, it gets disconnected. I don't think it's Jio's drop issues, because it's not even attempting to connect. Can you share how you did it?
replace apns-conf.xml with ...
another mirror.. hope OP dont mind...
Best battery backup I got....