Galaxy Note 10.1 (GT-N8013/GT-N8000) has been officially released by Samsung in August 2012 with two versions Wi-Fi and 3G, these android tablet is equipped with a 1.4 GHz Quad Core Exynos processor and 2 GB of RAM and is suitable to go along with Galaxy Note smartphone. After purchasing and exploring this tablet you might find that there is a issue with the touchscreen, this takes place when attempt to ‘wake’ after locked with screen off, after pressing the power button the touchscreen becomes unresponsive, even if you swipes or taps it. So the only way to overcome that is by pressing and holding the power button to restart the unit.
Besides the above issues, one other issue experienced by Galaxy Note 10.1 users related to the touchscreen and S Pen which isn’t working as usual. This issue is identified after a firmware update a few days ago with the build number IMM76D.N8013UEALH2, when S Pen taken from the holder the touchscreen becomes unresponsive. To make it normal again you have to reboot your device by holding the power button.
If you experience these issues you can consider performing factory reset but all of your data and apps will be deleted, if it can’t get back to normal, you might need to replace the tablet to retailer since there’s a chances you receive a defective units.