There might not be much you can do unless you really want to tinker around with it.
Do you know what version of android you have on it...I am assuming its ICS. I dont think they ever released a stable jellybean rom out there, not even cyanogenmod
what about this 4.1.2 you think this is safe/stable ?
Update Galaxy Tab 2 10.1 P5100 to Android 4.1.2 Jelly Bean with AOKP Milestone 1 ROM [How to Install] - IBTimes UK