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The model you asked the question on does not have cellar capability. You should contact your carrier for the best answer. Here's Apple's list of carriers: https://www.apple.com/watch/cellular/
Sorry, there was a problem. Please try again later.Cellular function will not work on prepaid carriers. Not familiar with H2O, but most likely not. Only the big 4 carriers support it right now.
Sorry, there was a problem. Please try again later.You need a iPhone too connect too with this watch
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