There is no syslog present in /var/log output of the command 'system-image-cli -i' run on the phone is appended below :-
current build number: 4 device name: arale channel: ubuntu-touch/stable/meizu.en last update: 2015-09-15 15:04:36 version version: 4 version ubuntu: 20150825.1 version device: 20150818-0b38025 version custom: 20150814-887-8-46 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1497367 Title: Drops carrier on screen lock on Ubuntu Touch: Meizu MX4 Ubuntu Edition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ofono/+bug/1497367/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs