Purchased equipment beginning in December 2014 - Lenovo Yoga 2 1051f (without Sim) Had the device unfortunately another dealer order, there was not available for Austrians Amazon / is. With Amazon, it had not been for this drama. The device knauerte and creaked from the outset, had trouble Touch screen - top right corner, overturns 1 x weekly from, then only complete reset possible. First repair at a service provider Medion - 3 days. Device knauerte and creaked again after a few days, before the camera, a film was on the inside of the housing forget -> second repair unit has been 02.05.2015, since now 18Tagen again when a service provider Medion - get no information about when and what with the device actually happened - standby ... Lenovo is history for me and I will inform the future even better who is a service provider for an acquired unit, never again Medion - one of Lenovo ...