To ensure that the smartphone users enjoy the highest level of reliability and trustworthiness, smart device brand Oppo has set up a personal data security department and employed a data protection officer globally to guard the process and ensure the security of personal data. All Oppo products and services have been designed to guard the personal information of the users. Read Oppo joins Connectivity Standards Alliance's board of directors The brand is continuously upgrading its security system so that users can feel safe. It has made a change to its recently-launched A16 where the app hiding option is no longer a sub-feature of app lock. It is now an option on the same setting page with app lock. Also, the brand adheres to the general data protection regulation to protect users' privacy. It has put in place appropriate technical and organisational measures to protect users' data. Read OPPO ColorOS 12: What’s New About It? Oppo has an Android OS customised ColorOS system optimiser and Avast-powered antivirus to protect viruses and malware so that the data stores in the users' phones are not compromised due to unwanted attacks, according to a media statement.