On Samsung’s Android Security Upgrades page, it lists all of the devices currently receiving monthly or quarterly security updates, including its smartphones. But it notes that this list is “subject to change as support period expires”.
Considering the S6 came out in April 2015, it appears there's a three-year cut-off for Android support on Samsung phones. Samsung still promises monthly support for the Galaxy A5, but only if you purchased it in 2016 or later. If you bought it in 2015, you’re officially stuck with Android 7 and its last security patches.
Samsung S6 users don’t need to ditch their phones immediately, though. Google’s Nougat OS was updated last December, so it’s not obsolete just yet. And if you wanted to take advantage of Oreo’s newest tech, like AR functionality, you’d need to upgrade to Samsung S8 or later anyway.
Still, it’s disappointing to see Samsung drop support for a phone that hasn’t even been out for three full years – especially considering that the iPhone 5S, which came out in 2013, still gets updates for iOS 11.
Samsung hasn't officially commented on its decision to drop support for the S6 lineup – we'll update this post if it does.
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