Lumia 1320 is a good phablet.. N d swipe keyboard n various feature will be bonus for the users.. Even it has good hardware n specifications.. But still no hint abt the preview of win10 for this Phone... Why MS .. WHY
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Current word leads us to believe the Insider Preview will be early Beta and will probably be best avoided on your daily use phone. Also it will roll out in stages with current flagships getting the first wave.
Good luck.