Use Bluetooth to transfer contacts from an iPhone, a phone that has Android version 2.1 (or earlier), or any other of phone.
NOTE: Depending on the capabilities of your old phone, you may be able to transfer not only contacts but also other data such as calendar events and text messages to your new HTC phone. Use HTC Sync Manager to transfer other types of content from an iPhone.
For further information on how to use HTC Sync Manager, see How to use HTC Sync Manager.
For further information on importing contacts, see How do I import contacts from other apps or accounts?
For further information on how to transfer content from an iPhone, see How to transfer iPhone content and apps to your HTC phone.