Yabanize:aros71: Several reboots, removals of battery and SIM card later, no joy.... then I thought to toggle Flight Mode - that seemed to do the trick. Be Warned. It appears Flight Mode needs to be toggled at every restart to get it to register on the network.Try a factory reset, or wipe cache
It was the Snapper SIM card causing it. Went to the 2D shop and swapped it out for a non-Snapper SIM: Problem Solved.
Just to disambiguate. The SIM swap solved the network connectivity problem. Still getting to the bottom of the excessive battery consumption