ALL MODELS · FIRMWARE SAMSUNG Galaxy A31

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Jelly Bean(Android 4.3)

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Nougat(Android 7.0)

Marshmallow(Android 6.0.1)

Marshmallow(Android 6.0.1)

Lollipop(Android 5.0.1)

Gingerbread(Android 2.3.6)

Jelly Bean(Android 4.1.2)