accepted solution from usb_modesitch forum http://www.draisberghof.de/usb_modeswitch/bb/viewtopic.php?f=4&t=1012&view=unread
** Summary changed: - Philips Xenium X513 as a mass storage device lost mounted volume in one second + Philips Xenium as a mass storage device lost mounted volume in one second -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1073234 Title: Philips Xenium as a mass storage device lost mounted volume in one second To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/1073234/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs