These setting may help

* Data bearer: GPRS
* Access point name: Internet
* User Name: None
* Prompt Password: No
* Password: Leave blank (shows as ****)
* Authentication: Normal
* Gateway IP address: 10.8.0.36
* Homepage: http://movil.yoigo.es
* Connection security: Off
* Session Mode: Permanent

Then under Advanced Settings (hit the menu softkey from the access point setup screen to find these):

* Phone IP address: Dynamic
* Primary name server: 0.0.0.0
* Second. name server: 0.0.0.0
* Server address: 010.008.000.036
* Port Number: 8080