@Michael Thanks for the detailed response.
As for its importance, I agree this is Critical and am working on it as we speak. I have a hunch there may be a previously undiscovered race condition in the NM ofono connection activation code that's causing this problem. Would you be willing to install a test package on your phone ( which requires making the root fs write-able )? If not, it might be possible to run NM in the foreground from /tmp... -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1450790 Title: Phone not connecting to mobile data until rebooting Status in the base for Ubuntu mobile products: New Status in network-manager package in Ubuntu: In Progress Status in ofono package in Ubuntu: Incomplete Bug description: Whenever I walk out of WiFi range, my phone does not connect to mobile data. Toggling flight mode does not help. I have to reboot the phone. When then I finally manage to connect after rebooting, if the signal strength drops and the phone would want to switch from 3G to 2G, it disconnects and I have to reboot again to get mobile data. $ system-image-cli -i current build number: 200 device name: krillin channel: ubuntu-touch/devel-proposed alias: ubuntu-touch/vivid-proposed last update: 2015-04-30 11:07:21 version version: 200 version ubuntu: 20150429 version device: 20150326-f0c5ba5 version custom: 20150429 Attached you'll find the output of the forensics script To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1450790/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp