how do i update my android version 5.1 1 to 7.1 1 samsung

how do i update my android version 5.1 1 to 7.1 1 samsung

how do i update my android version 5.1 1 to 7.1 1 samsung. There are any references about how do i update my android version 5.1 1 to 7.1 1 samsung in here. you can look below.

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