Traveling to any international destination is fun including USA. But as per article published in New York times (https://www.nytimes.com/2016/05/26/technology/personaltech/a-travelers-guide-to-taking-a-smartphone-abroad.html) – read the full article at above link
But while the idea of disconnecting from technology when abroad seems relaxing, the stress of visiting a foreign country without a smartphone connection can quickly counteract the benefits of a digital detox. After landing in an unfamiliar place, you may realize that an inability to look up mobile maps or places to eat on a phone can be crippling. Relying on a printed tourist guide may feel primitive and immediately inform muggers that you are holding lots of cash.
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So what to do? There are two ways to take your cellphone abroad and get data — the frugal way and the pay-full-price way. The inexpensive method involves some tinkering and planning ahead, while the full-price way is easy but requires paying even more money to your carrier.
First, the full-price option. For many years, American wireless customers have been able to pay extra to their carrier for international roaming, or the ability to seamlessly use a foreign network. Among other options, AT&T sells an international package with a modest amount of data (800 megabytes, enough to last about a week) for $120, and Verizon Wireless charges $10 a day for roaming in many countries. And in recent years, T-Mobile USA and Sprint began offering free international roaming, but with a caveat: The data speeds are very slow.
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