Blaupunkt Endeavour 800 NG Manual page 22

Now tap the menu icon on the top right of the screen. Select "New APN"
Then enter the appropriate data for your ISP. The credentials of the four major
network operators (Telecom - Vodafone - E-Plus and O2) in Germany are already
stored.
After entering the access points press . Your entries are saved and the device is
based on a 3G connection.
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