How to Fix Galaxy S25 Ultra S Pen Not Working Near Fingerprint Sensor

A number of Galaxy S25 Ultra owners report that the S Pen is not working correctly, with issues ranging from unresponsive input to missing Bluetooth features. These fixes address the most common S Pen problems.

Fix #1: Re-Seat the S Pen

Push the S Pen all the way into the Galaxy S25 Ultra slot until it clicks, then remove it again. This re-establishes the Bluetooth connection.

Fix #2: Reset the S Pen

1. Go to Settings > Advanced Features > S Pen.
2. Tap Air Actions.
3. Tap the three-dot menu and select Reset S Pen.

Fix #3: Remove Magnetic Cases

Magnetic cases and accessories can interfere with S Pen digitizer tracking, causing dead spots on the screen where the pen does not register. Remove the case and test.

Fix #4: Force Restart

1. Press and hold Volume Down + Power for about 10 seconds.

Fix #5: Check for Software Updates

1. Go to Settings > Software Update > Download and Install.

Fix #6: Wipe Cache Partition

1. Turn off the phone.
2. Hold Volume Up + Power to enter Recovery Mode.
3. Select Wipe Cache Partition.