[MOD] GPS Quick Fix - AGPS - NTP - Global

v-b-n · Feb 12, 2014

Realizing that many people are having GPS issues (not only hardware) on the N5 and partly due to this thread -> http://xdaforums.com/showthread.php?t=2523341 , I am posting here the GPS config file which should help alleviate most software issues while locking onto GPS Satellites.

It enables AGPS lock with a dirty threshold (much like iPhone) and then keeps improving your position to the nearest metre. So when you open a GPS app you are not in another continent but much nearer to actual location and then keeps getting better within seconds (especially with Open Sky visibility)

THIS IS NOT MY WORK. I HAVE BEEN USING THIS CONFIG SINCE LAST YEAR. DONE BY SOME PERSON HERE @ XDA

Method 1 - Flash attached file in recovery
Method 2 - Extract the gps.conf from the zip and push to /system/etc. Reboot

jlevy73 · Feb 12, 2014

Wow, very nice. Huge improvement in locking onto satellites using GPS status. Thanks for sharing

tcat007 · Feb 12, 2014

I installed through recovery. I notice the GPS.conf file is dated Aug 2008. Can't believe improvements haven't been made since then. I haven't been outdoors to test it yet, to cold. Won't lock at a window.

Sent from my Nexus 5 using Tapatalk

v-b-n · Feb 12, 2014

tcat007 said:
I installed through recovery. I notice the GPS.conf file is dated Aug 2008. Can't believe improvements haven't been made since then. I haven't been outdoors to test it yet, to cold. Won't lock at a window.

Sent from my Nexus 5 using Tapatalk

Use this app and it will show you on a map which Sat in your area ... from my window it actually locks 2-3 that it can see and you can even see on map the ones it locked onto

https://play.google.com/store/apps/details?id=com.chartcross.gpstest

The-Droidster · Feb 12, 2014

This is great. Lock in under a second! That too precise! Never had I got a lock so quick, indoors! Thank You!:good:

senotrius · Feb 12, 2014

The original thread by member @Xenova:

xdaforums.com/showthread.php?t=1239713

tcat007 · Feb 12, 2014

I use GPS Status, tested it against GPS Test; they fix at about the same speed and same number of sats and same accuracy. I prefer the screen on GPS Status.

An interesting observation. I put my phone in airplane mode at home since I get bad to no reception (6PM to about 8 AM). I went outdoors were I know I get 1 bar to test GPS. In airplane mode, no lock in GPS Status or Test or Maps (sees 20 sats, but no lock). If I toggle airplane mode off, BAM, instant fix (9-10 sats). Then later in the day if I turn on airplane mode, GPS seems to work fine. No issues at all on my 2012 Nexus 7, so that tells me there's a software issue with phone radio and GPS. I have phone on "device only".

So if I know I need GPS, I make sure airplane mode is off. Compass (arrow) on Maps is still a little squirrely, Osmand compass direction is much more accurate.

ck.chunkeat · Feb 12, 2014

How do I revert back to stock incase I need to?

THanks in advance.

v-b-n · Feb 12, 2014

senotrius said:
The original thread by member @Xenova:

xdaforums.com/showthread.php?t=1239713

They are similar but this is the one I always followed

http://xdaforums.com/showthread.php?t=1438357

Except I use Standard ntp servers and not the custom one mentioned in the thread

Also no ssl is always better to reduce latency

Sent from my Nexus 5 using XDA Premium 4 mobile app

mikenhu · Feb 13, 2014

The parameter of gps.conf file may be different depends on your country and continent. I used FasterGPS app https://play.google.com/store/apps/details?id=org.fastergps&hl=enand it worked for me so far. It contains all the flashable gps.conf files for all available countries and all continents so that you can pick which suits you most. Or you can go to this link http://xdaforums.com/showthread.php?t=1233256 they also provides the gps.conf files as well, pick one and flash yourself.

v-b-n · Feb 13, 2014

mikenhu said:
The parameter of gps.conf file may be different depends on your country and continent. I used FasterGPS app https://play.google.com/store/apps/details?id=org.fastergps&hl=enand it worked for me so far. It contains all the flashable gps.conf files for all available countries and all continents so that you can pick which suits you most. Or you can go to this link http://xdaforums.com/showthread.php?t=1233256 they also provides the gps.conf files as well, pick one and flash yourself.

That country specific files do not help so much so as the ones I linked since those ones don't have any parameters for agps defined at all.. Only changing ntp server to your country one doesn't help that much

Sent from my Nexus 5 using XDA Premium 4 mobile app

ck.chunkeat · Feb 13, 2014

I got up to 2km error and the gps still doesn't lock, haha..

v-b-n · Feb 13, 2014

ck.chunkeat said:
I got up to 2km error and the gps still doesn't lock, haha..

use the app I linked few posts back to check on satellites visibility.. If it shows some and still no locks then it's hardware issue

Sent from my Nexus 5 using XDA Premium 4 mobile app

ck.chunkeat · Feb 13, 2014

v-b-n said:
use the app I linked few posts back to check on satellites visibility.. If it shows some and still no locks then it's hardware issue

Sent from my Nexus 5 using XDA Premium 4 mobile app

I used GPS status,I do see some GPS but it just won't lock.
And when I put my phone outside the window,it will lock but once I take my phone inside,less than 0.5 meter,then it won't lock anymore..

v-b-n · Feb 13, 2014

ck.chunkeat said:
I used GPS status,I do see some GPS but it just won't lock.
And when I put my phone outside the window,it will lock but once I take my phone inside,less than 0.5 meter,then it won't lock anymore..

Oh that's normal... Without open sky view you will not get satellite lock so the agps tries to give your approx location using multiple sensors and wireless network towers

Sent from my Nexus 5 using XDA Premium 4 mobile app

ck.chunkeat · Feb 13, 2014

v-b-n said:
Oh that's normal... Without open sky view you will not get satellite lock so the agps tries to give your approx location using multiple sensors and wireless network towers

Sent from my Nexus 5 using XDA Premium 4 mobile app

Is it? I thought it was suppose to be able to lock to the satelite even in indoors? cause I saw people getting gps lock even when they are indoors..

tcat007 · Feb 13, 2014

ck.chunkeat said:
Is it? I thought it was suppose to be able to lock to the satelite even in indoors? cause I saw people getting gps lock even when they are indoors..

http://en.wikipedia.org/wiki/Indoor_positioning_system

v-b-n · Feb 13, 2014

ck.chunkeat said:
Is it? I thought it was suppose to be able to lock to the satelite even in indoors? cause I saw people getting gps lock even when they are indoors..

I get a perfect luck indoors and shows me right on my house location on Google maps.. You know how? My wifi!! Using details from your provider and current setup, it gets a pinpoint accuracy using wifi NOT GPS for indoors

Sent from my Nexus 5 using XDA Premium 4 mobile app

tcat007 · Feb 14, 2014

v-b-n said:
I get a perfect luck indoors and shows me right on my house location on Google maps.. You know how? My wifi!! Using details from your provider and current setup, it gets a pinpoint accuracy using wifi NOT GPS for indoors

Sent from my Nexus 5 using XDA Premium 4 mobile app

That's not "GPS lock". If you set location on "device only", I bet you don't get a lock indoors (unless near a window).

v-b-n · Feb 14, 2014

tcat007 said:
That's not "GPS lock". If you set location on "device only", I bet you don't get a lock indoors (unless near a window).

I thought I said that only... Lost in translation!

Sent from my Nexus 5 using XDA Premium 4 mobile app

[MOD] GPS Quick Fix - AGPS - NTP - Global

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