Hi, I have a US data booster on my Nexus 5 and arrived in Maui last night. I switched on data roaming as well as manually selected AT&T (and have also tried to have it connect to T-Mobile which seems to have a stronger connection) but neither AT&T or T-Mobile seem to work in regards to getting me mobile data. I can make US calls so voice roaming is working, but data is not. It is also a bit weird that in order to choose a manual cell provider, I need to turn off cell phone data and roaming to get the list of selectable carriers (AT&T, T-Mobile etc.). If I have cell data and roaming turned on, then when I go to list carriers it just keeps me on whichever carrier I manually selected previously and won't provide me the list to choose from. Help?