ALL MODELS · FIRMWARE SAMSUNG Galaxy A21s

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Jelly Bean(Android 4.1.2)

Marshmallow(Android 6.0.1)

Jelly Bean(Android 4.1.2)

Jelly Bean(Android 4.2.2)

Lollipop(Android 5.1.1)

Nougat(Android 7.0)

Nougat(Android 7.0)

Nougat(Android 7.0)

SSP

Marshmallow(Android 6.0.1)

Jelly Bean(Android 4.1.2)