Hello This was popular with Symbian S40 and S60 devices, completely dropped off in the smartphone era along with the FM radio.
This was popular with Symbian S40 and S60 devices, completely dropped off in the smartphone era along with the FM radio.
Do you remember you could "turn off" your device while having your clock and alarm running? Basically the device's operating system was put into a "deep sleep" mode when you turned it off (not really though) and at the same time you could get the alarm running; no notifications, no ringings, just the clock and alarm.
I know I can get a similar effect by putting the Plane Mode on but on the old Symbians the device stopped most of the undergoing services and used the RTC (real time clock) which usually runs at hardware mode.
The benefit is mostly you can save some battery and reduce EM waves influence while sleeping.
Most feature phones implement it...so why not on Android?
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