The "Enable MMS group chat" becomes unmark state when you enter the setting interface again in Message app.

[freya zhang]

Information:
current build number: 266
device name: krillin
channel: ubuntu-touch/rc-proposed/bq-aquaris.en
last update: 2016-02-24 04:40:50
version version: 266
version ubuntu: 20160224
version device: 20160108-efc96d8
version custom: 20160111-926-36--vivid

Steps:
1.Launch message app and tap setting icon on top right.
2.Tap the toggle behind "Enable MMS group chat" and the state is on .
3.Tap back key on top left.
4.Tap the setting icon again and check the UI.

Actual result:
The toggle is "off" state.
Expected result:
The toggle should be "on" state.