I purchased a GSM T sim card for a wireless only plan. I have an unlocked AT&T s3 on Straight Talk. My phone is hotspot capable but as we all know Straight Talk says no-no to that. So can I take the GSMT SIM card put it in my s3 and change the settings or something like that so I can use it in the evening for a hotspot for our tablet and laptop and still be able to use my s3 as a phone during the day?
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