Hello,
Topic: Screen does not sleep or power save when in Flight/Offline Mode
I think that this is by design and not a bug. From what I observed, when my 6233 loses signal (either on GSM or UMTS) the screen does not go to sleep mode / power save mode. The backlight just turns off, but you still see the main screen. I observe this frequently when I am in an area where GSM/UMTS signals are poor or next to nil. I think that this is a good feature, since if the screen goes to sleep, then how would you know if the phone is actually on the network (i.e. has active signal)? You wouldn't unless you turn on the screen!
In addition, it is also under these conditions that I sometimes get the "Sim Card registration failed!" message on my 6233, since, I guess, the phone is unable to register the SIM properly due to bad or erratic signal reception.
Thus, when you switch to Flight mode or remove the SIM you are actually turning off the signal/radio transceiver (?) or putting the phone in Offline mode, and thus you get the no-sleep screen "problem".
For your info, my firmware version is 5.10.
Hope this helps. =)
Message Edited by josekym on 29-May-200705:28 AM