GPS FIX - LG servers / Mackey's FIX / Tweaked by DCOP7

dcop7 · Mar 25, 2013

Hi,

I had a few problems with GPS in IZS so I search a bit and try to compile a fix. For me, this appears to be working... But other testers and appreciated

You just have to do the fowling:

In recovery, flash the attached zip
After reboot, using a app like GPS Test (https://play.google.com/store/apps/details?id=com.chartcross.gpstest&hl=en), clear AGPS data

Please, give feedback.

UPDATE:
I've uploaded a new fix (GPS_fix_2_world). This is a different fix from the other, one that isn't depended on any continent.

Source:
http://xdaforums.com/showthread.php?t=953630
Credits to AngelDeath

http://xdaforums.com/showpost.php?p=18096764
Credits to crypted

UPDATE2 - NEW FIX - From Mackey
I've upload a new GPS fix - GPS_FIX_WORLD.zip
This fix is based on Mackey/ShenDu/MokeeOS's ROM, and to be sincere, it is the best fix I've ever seen so far. I've got a lock within a minute without any data/wifi on, without any AGPS data...

Steps for this fix:

Turn off wifi/mobile data (so that it wont download any new AGPS data)
Clear the AGPS data (to be a clean slate)
Reboot to recovery
Flash the fix
Clear cache and dalvik cache (this is the first time I tried and it seems a important step for the fix to work)
Reboot and that's it

Please, try it and give feedback!

UPDATE3 - NEW FIX - Using LG server
After many hours of testing... He is my conclusion. The GPS alone can't get a useful signal...

To make this new fix work...

turn off the AGPS*
clear the AGPS data
delete the files (not folder) in /data/gps
reboot to recovery and flash (http://xdaforums.com/showpost.php?p=42195149&postcount=56)
reboot
open an app like GPS Status and download the AGPS data only from the app (https://play.google.com/store/apps/details?id=com.eclipsim.gpsstatus2)

* To turn on/off the AGPS go to localization services and turn on the option that is something like "use wifi and/or mobile data to determine your location"

Don't use AGPS from localization services... You just have to download the AGPS from time to time.

UPDATE4: NEW GPS FIX TWEAKED BY DCOP7
I've made a new fix and I want a few testers. Who can help me?

To make this new fix work...

turn off the AGPS*
delete the files (not folder) in /data/gps
reboot to recovery and flash GPS_fix_tweaked_by_dcop7.zip
Turn on mobile data of Wifi and open GPS Status or something. This will download a file explained below
Need to turn on mobile data or wifi when getting a GPS signal every few days to refresh the file downloaded in point 4.

* To turn on/off the AGPS go to localization services and turn on the option that is something like "use wifi and/or mobile data to determine your location"

What is the difference between this fix and other fixes?
This fix is configured to download the information: Long Term Orbits. This information is like and enhanced AGPS data. The Mackey fix sometimes use this information, that is why some people get a lock very fast, even if they clear AGPS (this information isn't cleared when GPS Status clean the AGPS data). To clear every bit of AGPS data, delete the files present in /data/gps (point 2).

What took me a long time to understand is when this information is downloaded, what interval, etc... It was difficult to understand why the Mackey fix download this information without any patter. That is why, with Mackey fix, after a few days, the GPS performance dropped.

I think I figure it out. Please, test this fix and give some feedback.

no14me · Mar 25, 2013

Can you make one for Asian? And does it work with CM?

dcop7 · Mar 25, 2013

no14me said:
Can you make one for Asian? And does it work with CM?

Updated the OP. And it works on stock and CM (GB and ICS and JB)

no14me · Mar 25, 2013

dcop7 said:
Updated the OP. And it works on stock and CM (GB and ICS and JB)

Cm10.1 and no change after flash. Maybe the issue is CM itself
I'll try another place with IZS tomorrow.

andre71 · Mar 25, 2013

Thank you for your work, I am curious to read other experiences on JB.
It was my reason for switching from JB to IZS. GPS never worked for me on JB, but it's working as a blast on IZS. I don't know how huexxx did it, but I always have a fix within 5 seconds outside, and within 20 seconds inside.

TheGripper · Mar 25, 2013

Re: GPS FIX

Not a single satellite on jb ( I'm on slimrom).

Sent from my OptimusBlack using xda premium

dcop7 · Mar 25, 2013

TheGripper said:
Not a single satellite on jb ( I'm on slimrom).

Sent from my OptimusBlack using xda premium

Did you clear AGPS data? Are you from europe or asia?

TheGripper · Mar 25, 2013

Re: GPS FIX

dcop7 said:
Did you clear AGPS data? Are you from europe or asia?

I'm from europe. I installed gps test and cleared agps data, but nothing.

Sent from my OptimusBlack using xda premium

dcop7 · Mar 25, 2013

TheGripper said:
I'm from europe. I installed gps test and cleared agps data, but nothing.

Sent from my OptimusBlack using xda premium

I'll do some tests. But apparently, in the past few hours, I can't get any signal too... But about 4, 5 hours ago it worked great.

no14me · Mar 26, 2013

Back to IZS 5 minute ago. But GPS in my IZS working (don't remember because I used CM from last month): 7 satellite after 1minute, and after flash the fix, it's .... still working, but a bit slower. LOL

dcop7 · Mar 26, 2013

no14me said:
Back to IZS 5 minute ago. But GPS in my IZS working (don't remember because I used CM from last month): 7 satellite after 1minute, and after flash the fix, it's .... still working, but a bit slower. LOL

Lol. What region are you from?

Jindrar2 · Mar 27, 2013

Re: GPS FIX

You can use this :
http://xdaforums.com/showthread.php?p=39144990

It's really working.

dcop7 · Mar 27, 2013

Jindrar2 said:
You can use this :
http://xdaforums.com/showthread.php?p=39144990
It's really working.

Thank you but for me, I'm not getting better results...

I'm making a few tests inside my house and now I can't get any signal. But in the clear, I get 5/6 sats

no14me · Mar 27, 2013

dcop7 said:
Lol. What region are you from?

Asian.
After that, in the afternoon GPS stop working. Can't find any satellite And i back to CM.

dcop7 · Mar 27, 2013

I need a tester. For this, I need to know the country and region.

Mr.Scrooby · Mar 28, 2013

I'm on slim rom and no changes after the patch.
If you like I m up for testing, from Germany.

regards

gaurishmhatre · Mar 28, 2013

Up for testing

i also used your patch but no changes. detects only 3 satellites does not fix any despite 5 min ...from india on slimbean 4.1.2 optimus black

dcop7 · Mar 28, 2013

I'm sorry but I don't have much time to make a fashable.

But you can try this:
http://xdaforums.com/showthread.php?t=1239713
or
http://xdaforums.com/showthread.php?p=18096764

Mr.Scrooby · Mar 30, 2013

dcop7 said:
I'm sorry but I don't have much time to make a fashable.

But you can try this:
http://xdaforums.com/showthread.php?t=1239713
or
http://xdaforums.com/showthread.php?p=18096764

I tried every one of them and nothing worked. I think it is CM related. Now I'm back to IZS. I noticed that there is no gps.conf there. Does a new gps.conf make any difference then?

regards

dcop7 · Mar 30, 2013

Mr.Scrooby said:
I tried every one of them and nothing worked. I think it is CM related. Now I'm back to IZS. I noticed that there is no gps.conf there. Does a new gps.conf make any difference then?

regards

For me, makes a difference...

GPS FIX - LG servers / Mackey's FIX / Tweaked by DCOP7

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