Sony Ericsson

Scroll to Settings and Select
Push the navi key 4 times to the right until it shows Connectivity along the top of the screen, then highlight Data comm. and press Select
Highlight Data accounts and press Select
Highlight New account and press Select
On the Account type screen, highlight GPRS data and press Select
On the name New Account screen enter lycamobile, press OK
On the New GPRS Data screen, highlight APN and press Edit. Enter data.lycamobile.tn and press OK
Highlight Username and press Edit. Enter lmfr and press OK.
Highlight Password and press Edit Enter plus and press OK
Press Save
Press the back arrow key (key directly below left softkey) 2 times