It's very rare that Android phones receive more than two years of major software updates. Google has even stuck to that rule in the past, with the Pixel 2 being the company's first phone with three years of promised Android updates. According to T-Mobile support pages, Samsung could be planning an Oreo update for its 2015 flagships.
Support pages for the Galaxy S6, S6 Edge, S6 Edge+, and Note 5 indicate that Oreo updates for the phones are in development.
Read MoreGalaxy S6, S6 Edge, S6 Edge+, and Note 5 might receive Android 8.0 Oreo was written by the awesome team at Android Police.
