I've just noticed that my tf201 does not go into Deep Sleep, but only manages 51 Mhz. Does anyone else have this? I can't identify which of the running apps might do this, but before expending the effort trying to, how different is Deep Sleep from 51 Mhz in terms of battery drain? My tablet usually spends around 90% of its time at 51 Mhz.
I've seen this thread for the tf101: