Comment 7 for bug 1421162

@Jean-Baptiste

This sounds similar to bug #1425987.

A few questions...

What was the SIM configuration you used? Was either SIM locked?

You also mention that you switched several times between operators? How? Did you use the System Settings::Cellular::Carriers page? How many operators were visible?

Can you still reproduce reliably? The key us being able to fix is first being able to reproduce your scenario. I can't really do this from the information provided so far...

Finally, we recently landed a fix for MTK-based modems which should fix some of the problems that occurred when switching between WiFi and mobile-data.

Also, I added a ofono (Ubuntu-RTM) task as you reported this against an RTM image, not vivid.