Go to setting
Click Network
Click "plus sign" at VPN
Select "Cisco AnyConnect Compatible VPN"
Fill in the required info and click Add
Name: ( what ever name)
Gateway: ( your office VPN e.g: https://securevpn.yourcompany.com )
At the main setting slide the the desire vpn to ON
if you got this warning and you know this is your office, click "connect anyway"
click connect that the pop-up
