Carrier Unlocking of an Audiovox SMT5600 (HTC Typhoon) Posted bymarius September 6, 2005March 12, 2007 Found this gem on how to unlock an Audiovox SMT5600 (aka HTC Typhoon). Blogged here for my reference. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)