[PLUG-TALK] Mobile phone SIM card question

[Tomas Kuchta]

If your phone is "unlocked" and supports the frequency bands for your
operator, then any active sim card will work in the phone - and it will get
you connected to sim' network.



On Mon, May 13, 2019, 14:22 Rich Shepard <rshepard at appl-ecosys.com> wrote:

> On Mon, 13 May 2019, Bryan Vyhmeister wrote:
>
> > SIM cards are also generally specific to MVNO even though they are for
> the
> > same underlying carrier. It depends on whether the MVNO gives you a
> normal
> > AT&T SIM card or their own branded one. In any case, you most likely have
> > to get another SIM card regardless since you are technically switching
> > carriers even if only switching to another MVNO. As long as your phones
> > are unlocked or AT&T GSM phones, you should not have any issues. If you
> > are already using an AT&T MVNO, then switching to another AT&T MVNO will
> > be fine. It is possible to have an MVNO locked phone depending on how you
> > bought it though.
>
> Bryan,
>
> Thanks for confirming. Both the Nokia and iPhone are unlocked; the iPhone
> likely needs to be jailbrak[ed|roken] to set the APN to allow images to be
> sent/received and ensure web access on non-local access points. There is,
> of
> course, an app for that. I appreciate the lesson.
>
> My last message mentioned a MVNO offering a very low price: $3/month. My
> further reading taught me that they use VoIP rather than the cellular
> network for voice calls and the quality is quite poor. So I'm looking
> closely at Red Pocket Mobile, sold and serviced by eBay.
>
> Best regards,
>
> Rich
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