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Old 08-07-2012, 06:12 AM   #6 (permalink)
aiharkness
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Default Re: How do I disable UMA?

Text messages are not data. That uses the voice network. But if you are using UMA then you have voive service even with mobile network off.

I'm not sure this is the answer, but I would find out if setting preferred network for calls to mobile network only, with mobile network off, is the answer. See what others say. Now that you've clarified it someone will be able to provide the certain answer.
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Last edited by aiharkness : 08-07-2012 at 06:14 AM.
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