Going to Mexico next week. Need to get internet access on my laptop. I have a 4s (not jailbroken). I plan on purchasing one of the international data packs (probably the 275MB one). The most ideal situation for me would be to get this data on my iphone and somehow be able to tether so my laptop can connect to the iphone to get data and use the iphone's allotment of data. Is this possible? Can the iphone 4s tether? I have an unlimited data plan and i know you can do this domesitcally without a tethering data plan, but if I am roaming internationally shouldn't all data (including tethering) count against the amount of MB I buy? I have an AT&T myfi that I could use as a backup and get a data plan for that, but i would prefer to just get data for the iphone and tether since I also will need data on the iphone. TIA.