I’ve been using the iPhone as my phone for such a long time now- since the iPhone 3G. At that time, I was using the Blackberry as the primary device however over months, the BB became the secondary device and the iPhone took over. Then the BB got replaced by whatever I was reviewing such as the Nokia Lumia 920 or the Samsung Galaxy but the iPhone always stayed with me.
With the new crop of Android phones, I think my iPhone will finally move back as a backup phone. I was trying to decide between the Xperia Z, the HTC One and the Galaxy S4. Didn’t like the Z that much however I’m LOVING the the HTC One and might settle on this.