Marcus,
There are plenty of places on the web to buy unlocked phones. I buy my phones from one of the following and here are the links:
http://www.myworldphone.com/
http://www.welectronics.com/
I usually buy from the first one. They are great to deal with and with a unlocked phone you can use it with any service provider. So if you are traveling say to St Barts you can get a sim from a local carrier and have a working phone with low rates.
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2023 M340ix my Daily Driver
G83 M4CV, F80 M3 CS, E30 M3, Z8, other various BMW's
Ferrari F8