[android-developers] figure out country in a device without SIM card

Hello Android gurus,

In my game I've got a 'global leaderboard' where people submit their high scores and check how others are doing. There I display a little flag to show where a particular player is from.
To figure that out, I use

public String getIso()
    {
        TelephonyManager tM =((TelephonyManager) mMain.getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE));
        return tM.getSimCountryIso();
    }

That works nicely on any phone; however, recently people started using the new fad, tablets. Those generally do not have a SIM card, so whenever such user contacts my server I can see that getSimCountryIso() must have returned NULL ( or maybe an empty string ) and I am unable to figure out the country.

Any tips?

L.

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