Your Samsung Galaxy Alpha automatically joins the fastest data connection available. In some situations, you may want to switch to 2G, 3G or 4G. To manually select the connection type, follow these steps.
Note: Switching down to either 2G or 3G respectively when in either a 2G only or 3G only coverage area will help save battery life.
To start using a faster internet connection again, switch back to a higher network mode.
Go to the Start screen.
Under NETWORK CONNECTIONS, choose More networks.
Choose Mobile networks.
Choose Network mode.
Tick 2G only.
The Samsung Galaxy Alpha has now been configured for use of 2G networks only.