Write an Improved Opening Sentence  for the Following Claim Letter

Essay

Write an improved opening sentence  for the following claim letter  requesting an exchange of a smartphone still under warranty.
My TravelerXtra smartphone was purchased from your online store on September 15, 2014, for your attractive price of $228.88 plus $24.48 shipping and handling with no service contract required. I have used my TravelerXtra for business texting, e-mailing, and phoning ever since, which was exactly what I needed it to do. Yesterday my TravelerXtra shut itself down out of the blue, and I can't use it for anything. Now I'm without a business tool and over $250, which makes me feel ripped off because I received only one month of service from this phone. When I tried to exchange it at one of your land-based stores, the clerk told me, "No way, dude. You buy online, you fly online." Now what?