Compatibility with dual sim tool

emanuele carrea emanue at
Mon Jul 20 15:57:54 CEST 2009

Actually thei claim you can use both or choose which one to use, it probably
emulates one sim, comprehensive of the two you put inside.

They say it's compatible with smartpgones and pdas.
here is a brief description.

For what I can get from the site, but it's my interpretation, in thus
unified sim they create some additional services, like the ones you get from
the telephony providers, for managing the two sims.

On the faqs I found this one that is quite discouraging:

*May I receive phone calls on both numbers at the same time?*

Mobile Phone are composed by only 1 receptor and 1 transmitter. So they can
not connect simultaneously 2 SIM card on 2 different networks.
Nevertheless you can activate the auto switch function allowing you to
settle you switch sequence with a high flexibility.
That way, you are rapidly notified of a missing call.
1 hour 35 minutes on SIM 1 and 5 minutes on SIM 2.

Thus it's just a card switcher...It seemd strange it could connect to twp
different networks.

Anyway still it's an interesting tool.


2009/7/20 Rui Miguel Silva Seabra <rms at>

> On Mon, Jul 20, 2009 at 03:40:51PM +0200, emanuele carrea wrote:
> > Hi guys, just lost my phone and it's the best occasion for buying a
> > FreeRunner!
> >
> > As I'd like to use it for both work and home number, I'd like to know if
> it
> > might work with this dual-sim tool:
> >
> >
> It doesn't really use two SIMs at the same time, does it? If I understand
> correctly, you need some software to alternate between one and the other.
> If that is so, and if the interface for the adaptor is undocumented, it
> is likely it won't ever work.
> Rui
> --
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