- UT supplementary service also needs to keep mobile data and data roaming available. If mobile data is unavailable on current UT service SUB or data roaming is disabled in roaming network, needs to show a dialog to user for prompt when MCC/MNC is in 204/04, 454/03, 454/04, 455/02, 455/07 , 460/03, 460/11, 460/12 CRs-Fixed: 2129445 Change-Id: I4822cb3a9edeb0c8e6786494c389bd5ad5c7e667