PosteMobile Italy APN Settings for Nokia Lumia 638

Go to App list, tap Settings Cellular + SIM

If your phone supports more than 1 SIM card, choose SIM 1 settings or SIM 2 settings depending on the SIM that you want to use for PosteMobile .
Turn on Data Connection.

Enable Use cellular data in For limited Wi-Fi connectivity
If you have more than 1 SIM card choose the SIM card for data connection in SIM for data connection
Enable 3G connection for faster data transfer speeds. Also enable Highest connection speed

Internet Configuration Settings:

In Cellular + SIM Settings, select SIM settings Add Internet APN
If you have a dual SIM phone select the SIM card.

Change the below settings

APN: wap.postemobile.it
User name:
Password:
Authentication type:
Proxy server (URL):
Proxy port:
IP type: IPv4

Tap Save