Sell HTC Windows Phone 8X phone on eBay! Even old, broken, and used phones are worth money. Find out how much. The Windows Phone 8X by HTC (codenamed Accord) is a smartphone that was announced by HTC Corporation on September 19, First released : Q4. Microsoft and HTC are partnering on two new Windows Phone 8 Computer ( HTC) has grown up with Microsoft, from the old HTC -built iPAQ's.