There is no industry standard definition of “smart phone”, per se, but the term is used to describe a device that allows you to make voice telephone calls
I recently upgraded my O2 XDA Graphite to Windows Mobile 6 using the upgrade path on the O2 website. Overall this was a very worthwhile process as my phone is now faster and more stable. The downside is I could no longer get my TomTom One V2 and the phone …