Visit the web page http://europe.nokia.com/get-support-and-software/download-software/nokia-mobile-vpn.
VPN gateways are used to encrypt data entering the VPN tunnel, and decrypt data leaving the VPN. Since the VPN ensures confidentiality, integrity, and authenticity, sensitive corporate data can travel more safely over a public network like the Internet.
A common use of VPN is to allow remote users to access corporate network resources. The remote users first establish a VPN connection between their device and their network's VPN gateway. Once the VPN is established, the remote users can securely access private network resources on their corporate network.
The sis-file of Nokia Mobile VPN Client cannot be installed to the following Nokia device software versions:
Upgrade to the latest device software version to be able to install the latest Mobile VPN client version.
In the above device versions, the built-in Mobile VPN Client version must be used and it cannot be upgraded. The problem occurs only with the above software versions, with the earlier and later device software versions the Mobile VPN Client can be successfully upgraded.
The device version can be checked by the command below:
*#0000#