It's recommended you update your tablet with the latest software, as the manufacturer continuously corrects errors. It's a good idea to back up the memory first. Before you can update the tablet software, you need set up your tablet for internet.
Find "Software update"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Software update.
Update your tablet's software
Tap Download updates manually. If a new software version is available, it's displayed. Follow the instructions on the screen to update the software on your tablet.