Ofono (at least for ublox) is always powering off the radio during start.
This can of course be handy of programmatic reasons to bring the modem to a
Some configuration requires the radio to be turned off; for instance the
LTE auto connect APN. But on the other hand these are stored in
non-volatile memory and could be configured before hand.
The big drawback with turning it off is that it might take time to register
again when the radio is on. I have seen it taking more than 10 minutes in
In embedded systems this can be a big issue.
I'm thinking of adding a configuration option to keep the radio on during
Whats the general thought about this?