Configure a built-in IPSec VPN on Android with your SlickVPN credentials — no extra app needed.
Go to Settings → Network & Internet → VPN (the path varies slightly by device) and tap Add / the + icon.
Set Type to “IPSec Xauth PSK”.
Add a name, the SlickVPN server address, and the IPSec pre-shared key (shared secret) from your account area.
Save, tap the connection, enter your VPN username and password, and press Connect.
SLICKVPN
Weston Road PMB #231
Weston, Florida 33331, USA