First off, can we all agree that Phablet is a terrible name? A Smartphone with a big screen does not make a tablet. Second, lets examine what exactly a Phablet is. The difference between a large phone and a small tablet is that a small tablet will run (at least in theory) tablet optimized applications, whereas the large phone is stuck with phone apps. The question is how big is too big for a phone?"
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips