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Author Topic: GPS Problem  (Read 200021 times)
mwhincup
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« on: July 06, 2010, 10:39:09 AM »

Guys, there are people (myself included) reporting problems with chronically poor GPS performance.

http://forumuk.samsungmobile.com/PostsList.aspx?ThreadID=200972
http://forum.xda-developers.com/showthread.php?t=706907
http://forum.xda-developers.com/showthread.php?t=707136
http://samsunggalaxysforum.com/samsung-galaxy-s/104872-gps-issues.html
http://forumuk.samsungmobile.com/PostsList.aspx?ForumPostID=200972
http://forum.vodafone.co.uk/topic/66080-help/
http://forum.vodafone.co.uk/topic/65669-samsung-galaxy-s-my-phone-freezes-the-gps-doesnt-work-it-wont-link-to-my-pc/
http://forum.vodafone.co.uk/topic/65197-samsung-galaxy-s-it-struggles-to-pick-up-gps-satellites/


I see others on this website have reported as much, but I ask those who have similar problems to start posting their experiences here...
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robert_s
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« Reply #1 on: July 07, 2010, 01:49:47 AM »

FWIW, people in this German forum report that the leaked firmware I9000XWJG1 greatly improves the GPS performance (compared to I9000XXJF3):

http://www.pocketpc.ch/samsung-galaxy-s/97921-hardwareproblem-gps-empfaenger-2.html

So it looks like this can be fixed with a firmware upgrade...
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mwhincup
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« Reply #2 on: July 07, 2010, 07:12:05 PM »

FWIW, people in this German forum report that the leaked firmware I9000XWJG1 greatly improves the GPS performance (compared to I9000XXJF3):

http://www.pocketpc.ch/samsung-galaxy-s/97921-hardwareproblem-gps-empfaenger-2.html

So it looks like this can be fixed with a firmware upgrade...


Very interesting, thanks.

I'll look into how I can flash it...
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cheekeong
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« Reply #3 on: July 09, 2010, 04:46:14 AM »

Hi,

I'm is I9000DXJF4. so far so Good.
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Cheers,
Chee Keong
figo
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« Reply #4 on: July 14, 2010, 01:24:04 AM »

Is it just med, but if these firmware’s fix the gps problem SO many people have, why doesn’t Samsung release the officially?
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chartfree
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« Reply #5 on: July 21, 2010, 04:45:06 PM »

I definitely have a problem getting a GPS lock.  My previous phone was a G1 and that would always find a satellite within about 5 seconds.  Today I waited nearly 5 minutes for the phone to pick up a satellite, even though I was outside on a clear sunny day with no overhead obstruction.  This is a real disappointment as I use both GPS Tracker and My tracks to track cycle rides and walks and waiting around for the GPS to lock is a real pain.  Once locked on it seems to be reasonably accurate and managed to hold the signal in my bag.
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markinct
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« Reply #6 on: July 21, 2010, 06:57:37 PM »

On my Vibrant "Use wireless networks" wasn't checked. Once I selected that the phone's ability to get a GPS fix increased dramatically. I haven't done any of the super double secret setting changes... yet.
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T-Mobile Vibrant after nearly 2 years with a G1.
Gerry
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« Reply #7 on: July 21, 2010, 08:13:14 PM »

I tried the "fix" that came out today. It didn't change anything...still takes minutes for any kind of a GPS fix when it should take seconds. When it did lock on the error rate was 43 meters.
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Bade
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« Reply #8 on: July 23, 2010, 01:07:28 AM »

I found that this fix from xda-developers worked dramatically well on my Galaxy S.  Seems it is simply a settings issue as www.spirent-lcs.com doesn't exist:

* Step 1 -- Open menu > settings > Location & Security. Uncheck the box next to "Use Wireless Networks"
* Step 2 -- Open the dialer (the phone button) and enter the following: *#*#1472365#*#* . Then press "send" to open the Vibrant's LbsTestMode menu.
* Step 3 -- In the LBSTestMode menu, press “Application Settings” and change “Operation Mode” to “MS Based.”
* Step 4 -- In the LBSTestMode menu, find “SUPL/CP Settings” and change the SERVER & PORT to supl.google.com and port 7276 (DO NOT use www. in front of supl !)
* Step 5 -- Reboot your phone.
* Step 6 -- Open menu > settings > Location & Security. Check the box next to "Use Wireless Networks"

If you want to reverse these changes, the original specs are:

Operation Mode: Standalone
SERVER: www.spirent-lcs.com
PORT: 7275
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Godti
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« Reply #9 on: July 30, 2010, 02:00:33 AM »

I found that this fix from xda-developers worked dramatically well on my Galaxy S.  Seems it is simply a settings issue as www.spirent-lcs.com doesn't exist:

* Step 1 -- Open menu > settings > Location & Security. Uncheck the box next to "Use Wireless Networks"
* Step 2 -- Open the dialer (the phone button) and enter the following: *#*#1472365#*#* . Then press "send" to open the Vibrant's LbsTestMode menu.
* Step 3 -- In the LBSTestMode menu, press “Application Settings” and change “Operation Mode” to “MS Based.”
* Step 4 -- In the LBSTestMode menu, find “SUPL/CP Settings” and change the SERVER & PORT to supl.google.com and port 7276 (DO NOT use www. in front of supl !)
* Step 5 -- Reboot your phone.
* Step 6 -- Open menu > settings > Location & Security. Check the box next to "Use Wireless Networks"

If you want to reverse these changes, the original specs are:

Operation Mode: Standalone
SERVER: www.spirent-lcs.com
PORT: 7275


I can get as far as step 3.  I can not find Step 4 in the menu.  Any additional info?  So far the phone requires a data connection thru my provider inorder to use GPS, which seems dumb to me.

Cheers
Godti
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Bade
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« Reply #10 on: July 30, 2010, 08:06:03 AM »

After step 3 press the back button to get back to the main menu of the LbsTestMode app, the one with the 5 gray buttons which are:
Get Position Test
Applicaiton Settings < you presed this button in step 3 >
SUPL/CP Settings < press here in step 4 >
Test Application
Delete GPS Data

The network connection is use do download the ephemeris tables that contain the orbits of the satellites.  If the GPS unit has these it can scan only for the sattelites in view.  If it doesn't then it has to do a full acqsition from an unknown location, time and date.  This takes a looooong time.  It is worth the downloading of the ephemeris, even once, the speed benefit is astonishing.

Cheers
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J0nY
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« Reply #11 on: August 05, 2010, 01:25:48 AM »

Can anyone please tell me to what direction should i go into the settings so that i can activate the GPS on my Galaxy S. And allso which app is the best for the GPS navigations Sticking out tongue
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snapper.fishes
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« Reply #12 on: August 05, 2010, 06:19:05 AM »

Settings -> Location and Security

Seriously, how hard is it to figure that out?
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kimputer
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« Reply #13 on: August 14, 2010, 07:00:48 PM »

But a faster method (if you put it on your home screen), is to add the Android Widget > Power Control. GPS is the third icon.
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awc
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« Reply #14 on: September 20, 2010, 02:01:32 PM »

it would appear that this fix is no longer required I just bought my GT-i9000M a few weeks ago, and these suggested settings are the defaults.
« Last Edit: September 20, 2010, 02:05:27 PM by awc » Best Screen Protector
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