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Can anyone helps to find me a good google pixel camera port on my note 9 exynos version? It is running on one ui, android pie.

So i brought the samsung galaxy note 9, one month earlier. Now i am thinking that i should extend my warrant of it, for more security. How can i extend my warrenty and what will it cost?

I got a note 9 india varient but haven't recieved any notice in the samsung member app as the official site is saying that we will get one in it. Anyone know why haven't  i got the registration link?