
Samsung detailed the February security patch earlier this month. It brings fixes for dozens of vulnerabilities identified by Google in Android OS as well as fixes for vulnerabilities that are exclusive to Samsung's software. The company has been gradually rolling out this security patch for supported devices over the past few weeks.
Galaxy S6 users in India will now start receiving an over-the-air update notification which lets them know that they have a new update to download and install. It should go live for all users very soon.