Q: Hi. I’m actively using my new iPhone 6 and want to delete everything from my old iPhone 5. How do I delete all of my contacts at once on the 5? A: There are actually two separate questions here, so it’s unclear exactly what you want to do, but let’s take a look at both scenarios. If you only want to delete the Contacts from your iPhone 5, while leaving everything else intact, the easiest way to do that is through iCloud. If you’re…