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Bring QuickGPS to your CDMA Device

We've talked about the differences between aGPS and GPS before, but we can now add another form of aGPS to the bunch: QuickGPS

QuickGPS is from Qualcomm (technically called gpsOneXTRA Assistance) and is an Internet-based form of aGPS or offline aGPS whereby your device, once a week, downloads a data file that has all the ephemeris data contained (file =  This data is good for 7 days and helps calculate your position faster without the need for an Internet connection at the moment of initiation (ala network-based aGPS).  "Cold starts" go from a minute or more to just seconds. Very cool.

HTC has been incorporating this into some of its devices lately (e.g. Touch Pro) and Palm has it on the GSM Treo Pro.  HTC calls it QuickGPS as it made a nice app to initiate the system (see above photo). 

But as usual, some of us were not invited to the party (e.g. Sprint Mogul, Touch, etc.) and the community has effectively taken matters into their own hands, hacking this onto various devices.  The latest is the Sprint/Alltel Treo Pro and we have to admit, it works like a charm. 

So if you want to join in and speed up your GPS system, feel free to browse those threads!  And remember: back up before you do so!  This also may not work on all devices--if you get "QuickGPS.exe' cannot be opened. Either it is not signed with a trusted certificate, or one of its components cannot be found. If the problem persists, try reinstalling or restoring this file." that would be you, sorry.

Source :

Lundi 15 Juin 2009

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