- Open the Settings app: Swipe down from the top of the screen and click the gear icon (highlighted below).
- Scroll down and tap About Tablet.
- Here you will see your Android Version. You can also find the hardware revision from the Model number.
Here are the corresponding model numbers to each hardware revision:
- S2802A: You have Revision A.
- S2802B: You have Revision B.
- S2821: You have Revision A.
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