I will be in China, Hong Kong, and Thailand for three weeks. I understand I can use my phone at no charge on wireless networks while abroad. To avoid data charges, while not on a wireless network, should I leave my phone either off or on airplane mode? When I turn it on to join a wireless network, is there a chance I might get charged for a minute or so of data while it is connecting to the wifi network? If so, is there any way to avoid this?
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