PPTP VPN connection uses MPPE (Microsoft Point-to-Point Encryption) which is very unstable on Android OS.If you want the encrypted connection please use L2TP.
STEP 1
STEP 2
From the home screen, tap the MENU button.
STEP 3
Tap the SETTINGS icon.
STEP 4
Tap MORE.
STEP 5
Tap VPN.
STEP 6
Tap ADD VPN NETWORK.
- Name the connection in the name field, eg. Free VPN.
- Make sure L2TP/IPSEC PSK is selected for the Type.
- Enter the Free VPN Server address.
- Do not Enter anything for L2TP secret and IPSecIdentifier.
- Enter in small letters vpn for IPSec preshared key
- Tap SAVE to save the configuration.
STEP 7
Now you should see Free VPN connection in the list. Tap on it.
STEP 8
Authorization window will appear. Please enter the VPN username and password you received. Select SAVE ACCOUNT INFORMATION and tap CONNECT.
STEP 9
Once connected the KEY icon should appear in the top bar and the Free VPN status should change to CONNECTED.
To disconnect, just tap on ZPN (see step 7 above) and tap DISCONNECT.