From: Tony Williams 

Phil Payne wrote:
> "Mark"  wrote in message
news:43ab3379$1{at}w3.nls.net...
>
>>You're right Adam, not sure about the listening part, but I did read where
>>they can turn that tracking on even if the cell phone is off and/or
>
> prevent
>
>>it from being turned off in reality, even if you think you turned it off.
>
>
> Some phones are not really off when they're off.  You have to take the
> battery out.  My Sony/Ericsson T39 goes off properly, but my Siemens S65
> doesn't.

On smartphones you generally put the CPU in suspend and the DRAM in low
power self-refresh. The power drain is minuscule and it enables the
instant-on people need instead of a full boot procedure.

--
Tony

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