All, Following things are done, 1. /var/lib/connman cellular added 2. /etc/connman/main.conf has wifi and cellular as preferred technologies 3. connmand is running 4. ofonod running 5. enable-modem done [HE910] 6. online-modem 7. access point name added 8. activate-context done 9. cellular context was created 10. ifconfig list ppp0 however, connmanctl does not list the cellular technology. After doing ifconfig, ppp0 does not have inet addr listed. Please let me know if there is something missing. Regards, Ram.