“What operating system is on the Galaxy S21 phone?”

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• Hi There, Thank you for your question and interest in the Galaxy S21's operating system. To answer your question, it is Android 11. Reference Number: 1144200900 Thank you for choosing Samsung. Have a great day! ^Chrystel

  Answered by Samsung 4 years ago

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• Android 12

  Answered by Neo007 4 years ago

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