Buy HTC Inspire 4G Unlocked Phone A9192, Black: Unlocked Cell Phones - FREE DELIVERY possible on eligible purchases. The HTC Support Center provides solution of FAQs and information for beginners. The HTC Evo 4G ( trademarked in capitals as EVO 4G, also marketed as HTC EVO WiMAX ISW11HT in Japan) is a smartphone developed by HTC Corporation and marketed as Sprint' s flagship Android smartphone, running on its WiMAX network. The smartphone launched on June 4, and was the first 4G enabled smartphone released in the United States. The HTC Droid Incredible ( ADR6300) ( also known as the HTC Incredible) was a smartphone manufactured by HTC Corporation using the Android operating system.