Hi, I met such problems, upower installed ; install (was: install). Optional upower depends on libimobiledevice2 (>= 0.9.7) libimobiledevice2 does not appear to be available Thanks for any advice. -- Best Regards, lina P.S The sources.list I used: deb http://http.us.debian.org/debian unstable main contrib non-free deb http://www.debian-multimedia.org sid main non-free