I'll be on a cruise next week, stopping in Nassau, Bahamas. I may take the phone into Nassau to connect to a wifi spot and send some photos, delete junk email, etc. Am I right in thinking the device won't be able to connect to any phone networks? I don't need to call anyone, I just want to go online. Are there any settings I need to change? My husband has a Verizon Android and we're keeping it turned off until we're back on US soil. We don't care to have any surprise charges!! Thanks!