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GPS in j2me-enabled mobile phones

Does every j2me-enabled mobile phone support GPS service so that the developer can determine its latitude and longitude?

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Just because a phone can run J2ME doesn't mean that the manufacturer has placed a GPS unit in it. As far as I know, there are mobile phones that can run Java applications but do not have built-in GPS. If you want to find the location of your phone, you can resort to triangulation where you use cell towers to find your phone. However, this method offers at best a relatively large margin of error.



If the triangulation mechanism doesn't work for you, you will have to restrict your application to only GPS enabled phones.

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