topic Re: problems with gps in XPERIA archive

problems with gps

Fri, 06 Jan 2012 14:51:44 GMT

I am experiencing problems with gps. Have seen some similar posts randomly scattered in internet, but so far haven't found a solution.

I normally use gps with data traffic off, and in open sky. Have two navigation apps installed: google maps and CoPilot Live Premium. Have used both of them without any issues before (on Xperia ray), position used to be determined in a matter of few tens of seconds from first start.

The problems appeared just recently, although I cannot associate them with a system or app update.

If I try to use any navigation app now, it simply cannot detect the position. Remarkably, it does see the gps signal, but no matter how long I wait, position remains to be undetermined. To investigate the issue further, I have installed the GPS test app. It shows clearly from 7 to 12 sattelites in use, but position remains to be undetermined! I should add that with GPS test it becomes clear that the number of visible (and usable) sattelites time after time drops down to 1 or 2 without any reason, just for a second or so, and then again jumps to 7-12... I saw some claims in the internet, that this problem has to do with AGPS, but I am not expert in this and so far I haven't found any good solution to the problem.

Just wonder if anyone could help me here?

Re: problems with gps

Sam — Tue, 10 Jan 2012 23:11:58 GMT

Given the nature of the problem and the troubleshooting you have done, I would first advise running a software update:

http://dl-www.sonyericsson.com/cws/download/1/110/61/1323075336/Update_Service_Setup-2.11.12.5.exe

Re: problems with gps

xperwan — Wed, 09 Jan 2013 02:31:30 GMT

I'm experiencing similar problems: sometimes, even if the sky is clear and if 15 satellites are in the field of view (as shown by the 'GPS test' app), including a good share of green ones (great signal), the position still can't be determined (and turning the GPS off/on or resetting this AGPS thing doesn't work either).

On the other hand, I'm not sure about the drops (in terms of number of "satellites in use") on my Xperia Ray.

Once the position is determined (if it eventually is), it generally doesn't lost it later on, and works all fine, so I suppose it's really an initiatisation issue.

This can be extremely frustrating when you start your trek or bike trail and want to properly record your GPS track !

(couldn't it be a software-related issue ? I mean, these green satellites are here... we can see them on the phone !!!)

It's been some time since this thread has been started... so I'm wondering if there's any update or new information about this significant issue.

PS: Here's the link for the 'GPS test' app...

https://play.google.com/store/apps/details?id=com.chartcross.gpstest&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5jaGFydGNyb3NzLmdwc3Rlc3QiXQ..