From the Home screen All tray, select Options. Utilize the trackpad to highlight and press it to select. To expand the tray, press the Menu button then select Open Tray.
Select Networks and Connections.
Select Mobile Network.
En el campo Network Technology, selecciona la configuración actual.
Selecciona la configuración apropiada:
GSM/UMTS
This setting should only be selected if experiencing service issues in locations that offer multiple network types and only GSM/UMTS is needed. Se selecciona automáticamente el proveedor global preferido. Puedes seleccionar un proveedor alternativo manualmente, aunque esto puede requerir hasta 6 intentos de registro con ese proveedor antes de un registro exitoso.
1XEV
This setting should only be selected if experiencing service issues in locations that offer multiple network types and only 1XEV is needed.