Christian T. napisał(a):
Here's the problem: Although it's a good idea that the thief has to use
his own SIM (that's what he expects anyway) but it won't be easy to get
a GPRS-connection for sending the coordinates. If he is using another
provider, the settings will differ. Many providers even demand a
password for opening a data-connection...
Truth.
The theft-problem _could_ be solved by the providers. They can locate
any cellphone anyway and should be able to give information to the
police, when a cellphone with an IMEI that's reported stolen connects to
their network. But they don't want to!

The will to locate phone depends on GSM provider. Sometimes they have IMEI black list. It requires reflashing to change it. Phone locating depends on current "visible" GSM transmitters. I've used several times locating service in a big city where there's a lot of GSM transmitters in close range and it's not very accurate. System said that target phone was a few streets away from the place where it really was.

Regards,
--
*Bartlomiej Zdanowski*
Programmer
Product Research Department
AutoGuard & Insurance Ltd.

Omulewska 27 street
04-128 Warsaw
Poland
phone +48 22 611 69 23
www.autoguard.pl <http://www.autoguard.pl>
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