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Your mobile network provider would be your best source of information as they are 100% responsible for the delivery of ALL services to you, and no one here can know the specifics of your data plan anyway. But, at that price, I'd guess that you don't have International Roaming capability, so will receive no services via any carrier data network. But, you might receive services whenever you are within range of WiFi...but, again, your carrier can answer these questions for you.
Occam's Razor nearly always applies when troubleshooting technology issues!
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