Quote:
Originally Posted by mike9191
If you can enable the GPS thru a custom rom then you would not need a data plan. If you wait for the official upgrade you will need to add either a data plan that includes GPS or a separate GPS add on thru sprint. Right now for that phone , there is no option available for either way, but I cant see sprint allowing GPS to function thru an upgrade without figuring out a way to make a buck. GPS cant be purchased thru sprint since they have very few non blackberry phones that have GPS. They have managed to bundle GPS in a vision plan with other goodies like TV, and music.....Mike ( sprint customer care rep )
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Mike, The custom rom that will enable the GPS came from leaked rom. it is not written on scratched. This came from the carriers itself. Carriers decide if U can use the full potential of the chip or not. And besides, All cell phone chips is A-GPS. There's nothing else. So eventhough u have enable it urself, U will only make it a standalone A-GPS. I list example of phones with standalone A-GPS capabilities on my earlier posts. This is not very good either coz the chip inside is weak. Most phones GPS chip are made by qualcom hence it's called GPS one. The only way U can Use a GPS chip without the help of a cell tower is the one with SIRF III chipsets. These chipsets are highly sensitive and do the onboard computing. This is not on our cell phone because this chips are expensive. Phones eversince 2002 from sprint has GPS chips already which the main purpose is a requirement for e911 to pinpoint ur location. You do not need data plans on these cheap phone because the only reason it's there is to find ur whereaouts. It does not transmit any info on the phone from A-GPS server. Carriers locked this and did not make any software to use it as a navigation device.