ALL MODELS · FIRMWARE SAMSUNG Galaxy S21 Ultra 5G

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Marshmallow(Android 6.0.1)

Oreo(Android 8.0.0)

KitKat(Android 4.4.2)

KitKat(Android 4.4.2)

Nougat(Android 7.0)

Ice Cream Sandwich(Android 4.0.3)

Jelly Bean(Android 4.1.2)

R(Android 11)

Jelly Bean(Android 4.2.2)

Gingerbread(Android 2.3.6)