RadioShack invites you to experience America’s first 4G smartphone, HTC EVO 4G exclusively from Sprint. RadioShack customers may pre-order this exciting new device at any one of more than 4,000 RadioShack stores beginning May 14.

HTC EVO 4G may be pre-ordered by purchasing a $50 RadioShack gift card, which will be applied toward the purchase price of the device, and scheduling an appointment to pick up and activate the device. HTC EVO …