SHR clock reset

Sebastian Krzyszkowiak seba.dos1 at
Fri Aug 28 15:03:42 CEST 2009

On 8/28/09, Niels Heyvaert <nielsheyvaert at> wrote:
>>> I don't understand what you mean. Care to elaborate? The phone had always
>>> automagically set the time correctly (from gsm I suppose). Recently it
>>> doesn't do that anymore.
>> Freerunner (as almost all other phones) has small battery inside to
>> keep clock running even without that big battery. It could just went
>> flat so it can't keep clock. I had the same with my Nokia 6230i.
>> No, setting time from GSM doesn't work yet AFAIK. Time can be set from
>> NTP or GPS.
> Can't we get the time from the cell antenna (cfr. the location discussed in
> earlier posts) using AT commands?
> AT+CTZU for Automatic Time Zone Update
> AT+CTZR for Time Zone Reporting
> AT+CSTF for Settings time format
> Not sure CSTF exists for Calypso since I did not find it in the available
> codes
> (,
> but could we use the other two commands to help us out?
> Just thinking out loud.
> Niels.

Timezone from GSM is already implemented for ages ;)

Sebastian Krzyszkowiak

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