Smartphones are the most multipurpose handheld devices in today’s world that contains a third-party applications or features extending the wide functionality of the device. The technological enhancement in the mobile internet services such as 3G, 4G, and Wi-Fi have smartphones as an essential part of individual’s life. The increasing use of smartphones and technologies are vulnerable to security attacks and other malwares. In recent years, the usage of smartphones has increased due to the increasing trends of data sharing, gaming, and other entertainment application software, being responsible for the security breach of the smartphones. To avoid this, ultra-secure smartphone are enabled with ultra-secure smartphone technologies. The ultra-secure smartphone are developed in order to prevent data leakage compared to normal smartphones. Ultra-secure smartphone are built up with real time and end to end encryption of voice calls, SMS, emails, and other data transmis...