The Phila Inqr reported about a traveler who received unexpected $20,000 charge for data roaming, and then his efforts to get credit for the charges.
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--Check with your wireless carrier before leaving the United States to see if there's a plan suited to your needs.
--Describe your itinerary in detail, and double-check answers on the carrier's website. Terms change frequently and vary from country to country.
--Ask about all devices - smartphones and tablets as well as laptops.
--Disable "data roaming," if possible, on your smartphone before you leave the United States. Otherwise, it will begin downloading data as soon as you restart it.
--Consider buying or renting a prepaid device at your destination, such as a local phone, wireless modem,or data card. With an unlocked GSM phone, you may be able to purchase a substitute SIM card with a local number and predictable data rates. Most U.S. phones are locked.
--Use free WiFi at hotels, when abroad, and check e-mail or surf the Web at Internet cafes.
--Power off devices when not in use.