Penoval USI 2.0 Lite User Guide

User Guide


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How to Install the Battery Correctly?

Please follow the diagram and ensure the positive and negative sides are installed correctly.

How to Replace the Stylus Tip?

Please refer to the diagram and use the provided tweezers to remove and replace the stylus tip.

Why Is There No Pressure Sensitivity?

Please confirm if your app or brush supports pressure sensitivity. Some apps allow you to adjust the pressure sensitivity of the brushes. The pencil mode often does not support pressure sensitivity.

I Used to Be Able to Use It on My Tablet, but Now It Suddenly Doesn't Work. What Should I Do?

1. Try rebooting your tablet. 2. Replace with a new battery. 3. Update your tablet system to the latest version. If it still doesn't work, please contact us at

The Tablet Is Confirmed to Support the USI 2.0 Protocol, but It Still Doesn't Work.

Try replacing the battery, or contact us at with your complete model number.