And if you so desperate for Oreo then simply root your phone and additionally you will also get many other features too.But it will void your warranty.

Whether your phone is compatible or not that doesn't matter in case samsung, they have a update policy for every phone that means a phone has a fixed time of getting update, therefore it totally depneds on samsung whether they will give update or no...

I think xiaomi remains dominating in giving software updates to their customers for them launch date of the device doesn't matter they continuously give update whether the device is old or new what do you think about it?

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