[PLUG-TALK] Mobile phone SIM card question
bryan at bsdjournal.net
Mon May 13 10:22:34 PDT 2019
On Mon, May 13, 2019, at 10:12 AM, Rich Shepard wrote:
> Will a SIM card sold by one AT&T MVNO work with another AT&T MVNO?
> My research did not provide an answer, but one site suggested that in
> addition to the phone's number, password, carrier, and contacts the SIM also
> specifies the calling plan. If so, would this require a new SIM card for a
> new provider?
Yes. You will need a new SIM card. The SIM does not specify calling plan normally but SIM cards are specific to the carrier and cannot be reused either. For example, if I change to another SIM card, I cannot use the old one again. Once a SIM is deactivated, it is no longer usable.
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