Vodafone Internet APN-Einstellungen für Samsung Galaxy J3

Go to Settings,
Mobile networks,
then select Access point names

Press the Menu and select New APN

Enter name: Vodafone Internet
APN: web.vodafone.de
Proxy:
Port:
Username: vodafone
Password: vodafone
Server:
MMSC:
MMS Proxy:
MMS Port:
MCC:
MNC:
Authentication type:
APN type: default,supl

Keep the default values set by device for all blank fields shown above.