Have the Surf Stick with a UMTS card Telekom in use. Here, of course, was the condition that on the Surfstick no SIM Lock is enabled, which is the case with this stick! Have the Surfstick under Linux Ubuntu 4.14 operating. If someone has problems with the device, here a few tips: Linux does not recognize the Stick possibly as a modem (surf stick), but as a removable disk. It can therefore be established over the stick no (stable) Internet connection. To mount the drive as a modem, the mode must be changed. For this purpose, install the packages USB or USB Mode Switch Mode Switch Data. More information on wiki.ubuntuusers.de/USB_ModeSwitch. The Vodafone Surf Stick is a Huawei K5005 USB disk with the ID 12d1: 14c3 or modem USB ID 12d1: 14C8 For me the Surfstick working properly and wonderfully fast! Practically, the flexible joint at the USB stick to the directed Surfstick also upwards insert the laptop can. A short USB extension cable is also included in white.