Android Gps.conf

It makes the xiaomi mi5 gps in android 7 finally usable again. It sometimes jumps a bit around in accuracy, but thats not the gps.conf fault, but android 7 or more acurate the xiaomi firmware on android 7 i tested your config with miui 8.1.4.0 global which is the latest with android 6 and there it is just excellent.

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// End gps conf (note as of 4/9/2015)Hope this helps!Edit: also, please remember to make sure you have proper permissions set on your GPS.conf file. Should be Owner: Read Write Execute, Group: Read, and Other: ReadIf you want a deeper understanding of how GPS works, and why the fields in your GPS.conf file are there, please read through the whole thread. If you just want to speed up your GPS lock and improve the overall performance/communication with GPS satellites, then change the following four values on your GPS.conf file:Step one:remove the hashtag (#) from infront of the NTP server closest to your location.

For me it was north-america.pool.ntp.orgNTPSERVER= (your closest server)Most sources I have read have stated that having just one ntp server is suggested.Step two:CAPABILITIES=0x4(change to enable more capabilities)Step Three:LPPPROFILE=1(default is 0, 0 is only good for phones on a GSM network, ours is CDMA. 3 also works, but only because it technically enables 1 and 2, so setting to 3 is the same thing as setting to 1 )(As of 3/20/2015 I have been having good results with LPP set to 0, as long as my GLONAS is set to 0x2 instead of 0x4).As of 4/9/2015 I still have better performance with 0 instead of 1Step Four:AGLONASSPOSPROTOCOLSELECT=0x4(default is just 0, this means nothing according to the info provided in our comments in the gps.conf file. 0x4 allegedly enables our positioning on the LTE network)as of 3/20/2015 I have had decent performance with GLONAS set to 0x2 as long as LPP is set to 0Step Five:????Step Six: profit!!1oneReported by users as improving performance on both 4.4 and lollipop ROMs.Please note that there are no spaces in between values in the GPS.conf file. I have had some reports of poor performance when a value has an extra space between values, such as follows:GLONAS= 0 x 4versusGLONAS=0x4Side Note: I've read many reports of the google supl addition being a placebo in most cases as the Google supl server requires a supl root cert and we don't have one specific for our phone, even if we make one, it will expire after a while and we will need a new one. I am going to experiment with the nokia supl server, while it is slower than google's, it reportedly doesn't require a supl root cert located in system/etc to work.Port for nokia supl is 7275I'm also not sure about 'LGEGPSPOSITIONMODE=0'I believe this is whether or not our phone is standalone gps or assisted gps. I don't know if 0 or 1 enables or disables either. I'm hoping a 0 doesn't mean standalone.As of 4/9/2015It appears a zero '0' does mean standalone.

I am testing msassisted at the moment with great results, I will try msbased next. Click to expand.Yeah, tried that one, it works to get a lock but didn't show to work as fast as GPS Test, also, it seemed to make my Ingress game not update my location until I used task manager to end the process.Have tried GPS fix, GPS Status, pretty much any app with GPS in the name. GPS Status basically just shows you what your GPS is doing.

I purchased the full version and experimented with calibration, reset, download, etc, and my GPS was still shoddy at best. It seemed like GPS Test actually helps my phone communicate with the Satellites to get faster locks.Thanks though. Click to expand.Some dude named by that name that hosts his own NTP and xtra server. Not sure why he does, but he does. Many report it working better as he updates it more frequently than some others do.He also has made custom SUPL cert files to match the supl information if it is required by your settings.Just copying and pasting his gps conf files didn't work for me though, I'm not sure what type of phone he's tested them on but it didn't work for mine (ours).

His work can be seen with TopNTP app, it installs custom GPS.conf and supl.cert files for your device. I borrowed some text from the gps.conf he provides, namely the auto enabling of AGPS, but I had to edit some of his code for my phone to work well. So far it is seeming like SUPL doesn't work on our phones, or at the very least, not on mine nor my wife's (straight out of the box volt, mine has been tampered with)It may be what is causing me to have to re-start my gps with the GPS Test app frequently. The SUPL will attempt to work, fail, then the standard GPS kicks in and locks, until the SUPL starts up again and makes me lose my lock. I stuck a hashtag infront of everything that had to do with SUPL and my GPS worked just as well as with them on, except I didn't keep losing my lock.It seems the LPP Profile being set to 3 enables both user and control plane, the user plane being SUPL (Secure User Plane), so, I'm confused as to why enabling both makes my phone work well along with the addition of 'Default User Plane = true'. My guess is that the default user plane true makes the supl kick in, then when it stops working it switches to stand alone gps (with some AGPS data?). I am going to try removing the default user plane and any supl references and will report back with results.

I'm so confused. After reverting to stock zv3 and OTA updating to zv5 then trying the new root method my GPS is shoddy again, regardless of my GPS.conf file.

It leads me to believe there is some truth to a crazy notion I read about and actually tried.The theory was that you need to revert to stock, get a lock on GPS, THEN restore a back up or flash a custom ROM, and somehow for some reason your GPS locking will automagically remember when you had a lock before and perform better.In theory the idea of this sounds absurd to me, but that is what I tried before posting this thread and my GPS was working really well. I found this:A-GPS protocols are part of Positioning Protocol defined by two different standardization bodies, and.Control Plane ProtocolIt is defined by 3GPP for various generations of mobile phone system. These protocols are defined for Networks. Following positioning protocol has been defined. – 3GPP defined RRLP or Radio resource location protocol to support positioning protocol on GSM networks.

TIA 801 – family defined this protocol for CDMA 2000 networks. RRC position protocol – 3GPP defined this protocol as part of the standard for network. LPP – 3GPP defined LPP or LTE positioning protocol for Networks.User Plane ProtocolSee also:It is defined by OMA to support positioning protocols in Networks. Two generations of User plane Protocol have evolved. V1.0. SUPL V2.0So according to this, my phone's default GPS.conf file is attempting to use a GSM network (LPPPROFILE is set to 0 which is the #GPP defined RRLP on GSM network). If I'm thinking right here, this is why switching to 3 or 1 improved my phone's GPS, as it stopped trying to use GSM network and allowed it to attempt to download assistance data via the LTE network.

Entering in a '0' or '2' attempts to use the Control plane and therefore makes GPS shoddy.This is seen in the GLONASS text as well. My default setting is 'AGLONASSPOSPROTOCOLSELECT=0' which doesn't mean anything according to my gps.conf commented-out text. It has the options of '0x1', '0x2', or '0x4', so I'm thinking I need to change my setting here to 'ox4' as the text in there reads '0x4 = LLPUplane', which according to the above text, allows downloading Agps data via the LTE network instead of the GSM network.My next thing to try to understand is the GPS Capabilities bitmask. I can't find any information about what gps bitmask is and which settings are best. All I know is that my default setting is '0x31', and the comments in my file say nothing about that entry. I am going to try 0x10 as this is an entry listed in the comments as 'ONDEMANDTIME' and the comments also read 'default: ONDEMANDTIME MSA MSB SCHEDULING GEOFENCE'leading me to believe that by default, On demand time is used first, then msa, msb, etc.

Only problem is that 0x31 is there by default, so I will change it and see what happens. Here we go:'Modes of operationA-GPS has two modes of operation:Mobile Station Assisted (MSA)In MSA mode A-GPS operation, the A-GPS capable device receives acquisition assistance, reference time and other optional assistance data from a mobile service provider. The mobile service provider continuously logs GPS information (mainly the ) from the GPS satellites using a A-GPS server in its system. With the help of the above data (the data received from the mobile device and the data already present in A-GPS server) the A-GPS server calculates the position and sends it back to the A-GPS device.Mobile Station Based (MSB)In MSB mode A-GPS operation, the A-GPS device receives ephemeris, reference location, reference time and other optional assistance data from the A-GPS server. With the help of the above data, the A-GPS device receives signals from the visible satellites and calculates the position.' So, changing my phone's setting from '0x31' to either '0x02' for MSB or '0x04' for MSA would enable either of these two Agps modes of operation.Also:'Basic conceptsStandalone GPS provides first position in approximately 30–40 seconds.

A standalone needs orbital information of the satellites to calculate the current position. The data rate of the satellite signal is only 50 bit/s, so downloading orbital information like ephemerides and the almanac directly from satellites typically takes a long time, and if the satellite signals are lost during the acquisition of this information, it is discarded and the standalone system has to start from scratch.

In A-GPS, the deploys an A-GPS. These A-GPS servers download the orbital information from the satellite and store it in the database. An A-GPS capable device can connect to these servers and download this information using mobile network radio bearers such as, or even using other wireless radio bearers such as. Usually the data rate of these bearers is high, hence downloading orbital information takes less time.'

From this paragraph I wonder if I should use MSB or MSA instead of On Demand, as it reads here that MSB mode could help in the acquisition of data needed to get a good position lock.Either way, I have no idea what '0x31' does and/or why our phones are set to that value by default. From this site:it reads:'Some people have reported that the GPS is slow to fix. If your device is on a China ROM, it could be because Assisted GPS (AGPS) is switched off.How to enable itEdit the file /system/etc/gps.conf.Change the following line to say, instead of 0x31:. CAPABILITIES=0x37'I wonder if changing mine to 0x37 would enable the use of MSB and MSA and SUPL, as reported by those users. They were defaulting to '0x31' as well, which according to that OP, doesn't enable MSA, MSB, nor SUPL.Allegedly 0x37 is going to enable the default progression of Ondemand, MSA, MSB, scheduling, geofence, in that order.We'll see. Aha!From another person's gps.conf, I think I figured it out.' # GPS Capabilities bit mask# SCHEDULING = 1# MSB = 2# MSA = 4# ONDEMANDTIME=0x10# ULP = 0x20# default = MSA MSB SCHEDULING ULP ONDEMANDTIME# CAPABILITIES=0x37CAPABILITIES=0x17'20, plus 10, plus 4, plus 2, plus 1, equals 37.

So that's why 37 would enable all of them. So ours set at 31 is not enabling the MSB and MSA, but is allowing for 1, 10, and 20.I will switch to 37 and report back.

(exciting that this is starting to make sense. )It looks like that person's gps conf file enabled 10, 4, 2, and 1, or on demand, msa, msb, and scheduling, but not ULP.

The following is my current settings, based off of the stock gps.conf on my phone after a fresh ota update to zv5:/start gps.confXTRASERVER1=XTRASERVER2=XTRASERVER3=ERRESTIMATE=0NTPSERVER= north-america.pool.ntp.orgDEBUGLEVEL=5INTERMEDIATEPOS=0SUPLVER=0x10000CAPABILITIES=0x37SUPLHOST=SUPLPORT=7276LPPPROFILE = 1ENABLEWIPER=1NMEAPROVIDER=1AGLONASSPOSPROTOCOLSELECT = 0x4VENDOR=SPRLGEGPSPOSITIONMODE=0/end gps.confMy phone locked on to GPS within 10 seconds with this setting. Haven't had a chance to see how it follows me yet, as I'm at work. But I will report on that later.Next research is the LGE GPS Position mode = 0, I've seen phones set that to 'Standalone', I'm also curious about the wiper. I know it is Wifi positioning, but I've heard bad things about it's functionality. Will experiment with gps with it enabled and disabled and report back.Also going to look into the difference between modem and application processor (NMEA provider as '1' or '0').

THIS REQUIRES ROOT AND ANDROID 4+!!Since Android 4.4 the /system partition can not be mounted rw for some devices (Note3 fore example) by this app. This has to be done manually before installing the custom gps.conf file before choosing to install.

I'm sorry for the inconvenience!The app.This app does installs a customized gps.conf file for your GPS. It has several different profiles to choose from. We recommend to use the default Google profile but it is up to you. Appart from the profiles you can customize the one chosen.NTP serversDerek Gordon maintains a special NTP server pool for you. Dispite what everyone thinks, it is not necessarily the one closest to you which is the best. We consider Derek Gordon's server to be the best option to choose because it has the best data and is most frequently updated.For more information about the NTP server check out the 'About this app' section found under the settings of this app. Also, feel free to visit derekgordon.com for more in depth information.aGPS AlamanacsDerek Gordon maintains a special aGPS almanac for devices using Qualcomm or similar chipsets.

This xtra.bin data file is updated every 30 minutes and is located on a content delivery system maintained by the generous donations of ther userbase.DonationsTo maintain the server we need money. Donations through this app will be divided between Derek Gordon (Crypted on XDA) and Zatta (on XDA).Each star costs 2 Euro and will reduce the waiting time before you can install the patch. 0 star users wait 20 seconds, 1 star users 10, 2 star users only 5 and 3 star users and Premium users can install immediately.You can become a premium user for only 5 Euro. This is a discount of 1 euro compared to a three star user!We choose this method to allow every one to use all features of this app and because we believe in XDA developers users. Please, don't leech!Backup and restoreOn the first run of this app a backup is made on your SD card. Don't remove it because a backup is only made during the first run (or at an update if you choose to remove it anyway) and no other backup is found on your SD card.ROM updatesThe patch this app provides is located on your /system partition so every time you do update your ROM the patch is overwritten and you will have to redo the patch.Unless you are using a Cyanogenmod based ROM and your rom has addon.d support.

In that case a script will be placed in the addon.d directory to preserve the patch. It can be disabled in the app's settings but is enabled by default.Asus usersOn ASUS roms a typical file is present at /system/etc/gps, namely the gpsconfig.xml file. This app pathes that file as well, to be specific the PeriodicTimeOutSec parameter. Of course a backup is made of this file as well.Special thanks to Sneakyghost for translating this app to German! By purchasing this item, you are transacting with Google Payments and agreeing to the Google Payments.

AFinitDataCallback(key: 'ds:17', isError: false, hash: '32', data:functionreturn 'gp:AOqpTOE1aQo3A6utFF7vtGDwW90jz6HXhJzvVT41N4sKPxYIxtLpQISSgRwmIc49B1ZKdM84I0SAVOCl68LLs','Knight Langelot',null,2,null,null,null,'you! I have a Motorola G4 (running Marshmallow, no SIM, as I use it as a bike computer for cycling and motorcycling) and I tried everything else and the GPS just didn't work (no signal and no lock). I installed topNTP and selected North America bam, instant lock and got all the signals!' ,88000000,2,null,null,'9','Knight Langelot',null,null,2,null,null,null,'Ashley',null,2,null,null,null,'app worked wonders! GPS was not working on my new Pixel and using this fixed it. I did have to restart manually though, write and reboot didn't restart it automatically.' ,954000000,0,null,null,'0','Alicia Ashley',null,null,2,null,null,null,'Abdulkarim',null,2,null,null,null,'like magic.

Despite my device not being rooted, it still works. The only drawback is I had to restart manually.'

,895000000,3,null,null,'2','Yusuf Abdulkarim',null,null,2,null,null,null,'Gardner',null,2,null,null,null,'seems that this no longer works, it will not open and a banner flashes recommending a non existing update.' ,414000000,5,null,null,'2','David Gardner',null,null,2,null,null,null,'Rakengrowl',null,2,null,null,null,'the best GPS Fix to date, 2018! It fixed the GPS issue of my Xiaomi Mi 5X and Samsung S4 Active!' ,336000000,0,null,null,'3','Jivansky Rakengrowl',null,null,2,null,null,null,'Younger',null,2,null,null,null,'rejuvenates' my GPS. I 'don't leave home without it'!' ,169000000,0,null,null,'0','Joe Younger',null,null,2,null,null,null,'sivmupS',null,2,null,null,null,'great but now it's not working anymore on Android P. Needs updating.'

,351000000,3,null,null,'1','Spumvis sivmupS',null,null,2,null,null,null,'CB',null,2,null,null,null,'work on my Moto G4 Play. Pressing 'Install' simply didn't install anything:-/',745000000,1,null,null,'1','Gru00e9goire CB',null,null,2,null,null,null,'Gotolei',null,2,null,null,null,'updated in 2014, but still works just fine.' ,425000000,0,null,null,'0','Raster Gotolei',null,null,2,null,null,null,'Bhat',null,2,null,null,null,'require root privilege, and also not updated to work with Android 9',354000000,0,null,null,'3','Kiran Bhat',null,null,2,null,null,null,'Sim',null,2,null,null,null,'teach me how to use? Im using Lenovo.ud83dude05',67000000,0,null,null,'8','Cheesy Sim',null,null,2,null,null,null,'Google user',null,2,null,null,null,'work',809000000,0,null,null,'0','A Google user',null,null,2,null,null,null,'Glover',null,2,null,null,null,'so well, it's like magic.'

,'Ignore the fact that this app hasn't been updated in 2 years. TopNTP still does exactly what it is supposed to do: give you the optimal GPS configuration for an almost instant GPS lock-on.

Still works great on my Nexus 6P running DU 10.5 MM!' ,725000000,24,null,null,'4','Brian Glover',null,null,2,null,null,null,'Spam',null,2,null,null,null,'sure normally it's good.' ,'But not on note 3 kitkat. I was getting occasional GPS drop outs. Installed this and went from bad to worse. Tried all options.no good.did a roll back but still no good.

Is the roll back the original file or just the one preceding the last change? Prob just a crappy note 3 on KitKat.' ,396000000,23,null,null,'8','No Spam',null,null,2,null,null,null,'Nugent',null,2,null,null,null,'give 5','Im on an lg stylus 2 running lollipop 5.1 and my phone detects sattelites but will not connect. I have tried every gps app on the market and nothing works. I have rooted my phone as well and that didnt help.

I dont know what to do.' ,418000000,12,null,null,'9','Ted Nugent',null,null,2,null,null,null,'ELLOITT',null,2,null,null,null,'suit riot!!!' ,'fixed Google maps! Now that's gettin' er dunn!!! Got to have mode in accuracy of high, and wifi and data on at same time. Uninstall all additional GPS apps then reboot,then install this using recommended settings,then another reboot.

If still having problems something is fubar!' ,406000000,5,null,null,'3','FREDDY ELLOITT',null,null,2,null,null,null,'Lam',null,2,null,null,null,'location set in 2 secs','Finally! An app that really fixes GPS location problems. Loads quickly on my Note 3 so I'm not sitting in my car waiting for GPS to work.

Has improved both Google maps and Here maps (which I downloaded thinking Google maps was the issue).' ,517000000,12,null,null,'9','Nancy Lam',null,null,2,null,null,null,'Chakraborty',null,2,null,null,null,'upgraded the stock OS of my Galaxy S4 to Cyanogen Mod 12. After the upgrade GPS stopped working (a common problem for Cyanogen 12). After reading in the forums that you need to flash this and that blah.