With QTS 4.2, users are limited only by their imaginations. " Users can find detailed QTS feature introductions and app download information from the QTS 4.2 brochure, including: * Features are subject to change and may not be available in every product. The QTS 4.2 beta firmware has been broadly tested and continuously improved. The company will officially release QTS 4.2 in near future and provide users with cloud experiences with stronger security.