To update your Raspberry Pi
Plug in a network cable
Turn it on
Login into the device
if you are at the desktop you can open LXTerminal, otherwise you should be at the command prompt already
sudo bash press enter
apt-get update press enter
Let that run. When it is done type:
apt-get upgrade and press enter.
Your Pi will update accordingly
If you need assistance with this issue, please contact us HERE. We are ready to assist.