The Samsung Galaxy S7 is a popular smartphone that uses a secure storage mechanism called MMC (MultiMediaCard) to store sensitive data such as encryption keys and device-specific information. However, there may be situations where users need to unlock and convert MMC images on their S7 devices, such as when switching to a custom ROM or recovering data from a corrupted device. In this paper, we will explore the process of unlocking and converting MMC images on the Samsung Galaxy S7.