* [[IPSec VPN Android Client | Android (>=4.0)]] built-in client
The Android (2.x/3.x) OS is known to be broken with respect to IPSec VPN. You can try See [[IPSEC/L2TP_VPN_Server|this implementationhere]] which requires a manual setupfor the steps to install it manually.
= Changing the Secret and/or the Group Name =