Enhance just after sale support lack of sparepart & to repair certain defect you may have set at SC for specific number of day to rectify the trouble To Improve Head device UI Effectively, maybe not very. However the critical fob from the Proton X50 is a reasonably effective gadget, https://louiskorsu.bloguerosa.com/33221945/x50-gearbox-can-be-fun-for-anyone