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Greetings,
Just a few days ago I installed the most recent CM 10.1 nightly, first 20130319 and now updated to 20130323. For the most part, my phone is working well, but I do not have any 3g data service nor have I had it since installing CM 10.1.
I have a Droid 3 XT862 being used in the US on Verizon's CDMA network and placing and receiving calls works. I *can* send and receive SMS as well, although in a test I did toay I sent very short 25 character text from my Droid 3 on the Verizon network to another Android device on the Sprint network and it arrived a mere 2h15m later.
I have read many messages on this forum and others, but either the problem addressed is too far removed or the ideas/changes suggested are offered with little explantion as to why, so I am unsure if making any of these changes would be a good idea. I did read through the build.prop on my device and it certainly appears that it is more or less configured and ready for CDMA usage. I have performed a *228 PRL update, but it did not appear to help. CM 10.1 makes available, unlike the stock ROM, a menu/page full of mobile network settings. I have tried to work with some of these settings, toggles, preferred network types, and so on, but again none of these changes seems to have had an effect on my 3g data connection.
Am I doing something wrong? Does anybody know how to fix this? Or perhaps it is a new/temporary bug in CM 10.1?
As for the operation of everything else under CM 10.1, I like it very much. It is a very big step up from before, when I was first using stock Android 2.3.4 followed by the Maverick ROM, which, while better, sure liked to crash/reboot when under memory pressure. I do have a few issues that I hope others might be able to help with:
* The hardware keyboard's ALT key does not appear to work anymore which rules out half the symbols on the keyboard, making it far less useful. I also cannot use it any longer with VX ConnectBot as some of the mappings do not seem to work. For example, the "OK" key used to work as a CTRL key. Maybe these are related? Any idea how to fix this?
* The backlight on the hard buttons and on the keyboard was, previously, triggered by a light sensor (I think). Now the backlight comes on when there is any tapping, swiping, or button/key activity. That's fine, except that the timeout for the light is extremely short, on the order of about two seconds. In a dark environment, this can be annoying.
* It's slow... my god is it slow! I think this is due almost entirely to a severe lack of free RAM on the device, but I don't know what to do about it. Some programs, like GMail, take forever to start, while many others are just very slow to use/respond. I see the "Not Responding" popup appear *much* more than ever before, but, as I know these apps are just slow and not dead, I always just tap on "wait" and go on with what I was doing.
I really don't think I have that much running in the background or foreground to use all of this RAM. I have replaced Trebuchet with NemusLauncher in hopes of freeing some memory. I have three widgets only: a clock/weather widget, the standard calendar widget, and the Google Voice inbox widget. In the background, besides whatever Android and CM run, I have Google Voice and imo (the instant messanger) running. I believe that is it. Is there *anything* I can do to improve the speed issue? I understand how Android handles memory, so it is clearly not about just increasing the "free RAM" value. That said, however, it seems that if there were fewer apps trying to use the limited memory then this would naturally be higher to begin with.
I have a decent collection of apps, but the number is much smaller than in the past and most all of them should remain dormant unless I actually run them... or so I believe.
Okay, so those are the issues. I could add battery life and the camera to that list, but I have read on the forum that, no thanks to Motorola, the camera is unlikely to be available anytime soon, and I have also read that the battery issues should be resolved soon.
So, um... please help! And great many thanks to all of the hard working devs who bring us better software and especially to those who help those of us with devices that are practically *new* and yet abandoned by the carriers. Extra kudos to those finding ways to work around locked bootloaders and proprietary binary blobs.
--John Gruenenfelder
Can you force it to EVDO only? And what happens in a stock ROM?
In the mobile network settings page, as mentioned above, I can, and have, tried many of the options. Among them is the preferred network type.
It defaults to 'global' which actually sets it to LTE/CDMA, though this is not an LTE device. I have tried all of the options that make sense (i.e. nothing GSM related). I have tried Evdo-only and currently have it set to 'CDMA/Evdo auto'.
None of these settings has changed anything. To test, I disable WiFi and see if I have a Net connection.
With the stock ROM, as well as the Maverick ROM, when I have 3g, the letters '3g' appear in the status bar next to the mobile signal strength icon and there are two small arrows to indicate I/O. This is what I expected to happen with CM.
-Sent from my XT862 using xda app-developers app
I have a 3g update, but no solution yet.
In the mobile net settings page I have the network set to 'CDMA/EvDo auto'. Then I turn on airplane mode to force the radio off, then turn airplane mode back off.
The radio comes back and as it does I can see the network strength icon briefly add an R, presumably meaning reconnecting, followed by a 1x, and finally by a 3g. Then the 3g disappears. This entire sequence takes only about 3 to 5 seconds. If I do this while viewing Settings->About->Phone, I can see the current radio/network states change. Of course, I do all of this with my local wifi connection off.
Also, I did try a network type of 'EvDo only' and the above sequence still occurred but without the 1x step. However, this sequence didn't seem to occur as reliably as when the network is set to 'CDMA/EvDo auto'. For reference, the phone info page under settings indicates that this phone or network is 'CDMA - EvDo rev. A:6'.
So, it would seem 3g is at least possible, if fleeting. What should I do now? I really don't want to stop using CM 10.1.
--John Gruenenfelder
Same issue here. No 3g. In the system status, it will briefly show the mobile network status as "connecting" then drop back to disconnected.
If you reboot into stock it works right?
MrObvious said:
If you reboot into stock it works right?
Click to expand...
Click to collapse
Me or rocksolid99?
In my case, I, well, did not follow the correct Safestrap update procedure when I went from 1.x to 3.05. As such, I *think* my stock ROM may be slightly hosed. I *do* have a complete backup of the original stock that I created with Safestrap 1.x, but 3.05 does not "see" it when I tap on the "Restore" button in recovery. So, I have it, I'm just not sure what I should do if I really need to restore that backup.
However, I have installed the Minimoto 1.7 ROM into slot 2 in Safestrap 3.05 and if I use that ROM (which is a super stripped down Droid 3 stock) then 3g works just fine. I did not have any network/connection issues and did not need to take any extra steps to get 3g to work.
--John Gruenenfelder
I'm pretty sure data has not worked in cm10.1 since 3/11 build.
Sent from my XT860 using xda premium
Endoroid said:
I'm pretty sure data has not worked in cm10.1 since 3/11 build.
Click to expand...
Click to collapse
Really? Good to know. Thanks for the info.
If I might reiterate on my other CM 10.1 problem, they keyboard? Right now, the ALT key does not work which means that I cannot access most of the punctuation keys. Strangely, in many apps when I press ALT I will see the cursor change with the upside down triangle at the top of the cursor bar indicating that ALT has been pressed. Good, but if I press any other key it is not recognized. It is as though I had not pressed anything. The ALT indicator doesn't even change or go away. The only thing I can do is continue to press the ALT key to cycle through its states (off, one-key, locked). Could this also be a bug in CM 10.1?
Is there a better or more correct location to submit these issues? Since these issues are/may be bugs in CM 10.1, should I not submit a bug report directly?
Beyond the 3g/data and keyboard issue is the RAM usage. It uses a *lot* of RAM. Is this just the way it is? The Droid 3 lacks enough RAM to really make a serious go at Android 4.2?
Thanks again!
--John Gruenenfelder
JetpackJohn said:
Is there a better or more correct location to submit these issues? Since these issues are/may be bugs in CM 10.1, should I not submit a bug report directly?
Click to expand...
Click to collapse
As a matter of fact, there is: http://androidhosting.org:8050/projects/device-motorola-droid-3-xt862
Hashcode tweeted that last night...
Beyond the 3g/data and keyboard issue is the RAM usage. It uses a *lot* of RAM. Is this just the way it is? The Droid 3 lacks enough RAM to really make a serious go at Android 4.2?
Click to expand...
Click to collapse
When Motorola hinted that this was the reason why the D3 and X2 would not get ICS, nobody believed them.
I think it's pretty clear that CM on the Droid 3 at the moment is alpha/beta status. If you want stability and full features, you need a Gingerbread ROM. Minimoto is best for me.
doogald said:
As a matter of fact, there is: http://androidhosting.org:8050/projects/device-motorola-droid-3-xt862
Hashcode tweeted that last night...
When Motorola hinted that this was the reason why the D3 and X2 would not get ICS, nobody believed them.
I think it's pretty clear that CM on the Droid 3 at the moment is alpha/beta status. If you want stability and full features, you need a Gingerbread ROM. Minimoto is best for me.
Click to expand...
Click to collapse
+1 anything above gingerbread is not stable. Some people manage to use them for daily drivers but they have to deal with the bugs. Myself, I need a camera and I need my phone to work all day, I use it for my job. As such, I run minimoto, as it is quite stable, and any bugs that do arise can be dealt with as it's based on gingerbread, which is stable on our devices. Liberty is also a good rom to use, it's based on an older system version but it's quite stable and has lots of features, as opposed to Minimotos minimalist goal.
Sent from my XT860 using xda premium
has anyone tried making a swap partition for cm10.1 ?
I made it and it seems to be much much faster or the latest nightly (04/07/2013) is quicker.
anyhow I have it up only for about an hour it remains to be seen during the day how it's reacting
regards
Endoroid said:
I'm pretty sure data has not worked in cm10.1 since 3/11 build.
Sent from my XT860 using xda premium
Click to expand...
Click to collapse
Have you (or has anyone) successfully booted CM10.1 on the XT860? I just get bootloops after install. MiniMoto has been working great for me though.
So I have had trouble getting a GPS lock on every AOSP ROM I have tried. Sense based ROMs have no problem whatsoever. I have looked at other threads and some people claimed that the reason is known but then never actually state what that reason is. Can anyone explain to me why this issue is present?
Also, I have seen the fix reported as reverting to a Sense based ROM, opening maps and getting a GPS lock, and then switching back to a backup of the AOSP ROM. Just to be clear: I do a full wipe, restore a backup of a Sense based ROM, open maps and get a lock, then boot into recovery without closing maps, do a full wipe, and then restore my backup of the AOSP ROM I'm currently running? Then I won't have any issues getting a GPS lock?
Thanks
Use root browser to edit the last line in
/etc/gps.conf
The last line will be
LPP_PROFILE=0
Change the 0 to 3. Save and exit.
Try out your favorite gps and you should lock on with no problems.
Reverting to sense is not necessary. I use CM10.1 as a daily and have had no issues with gps after changing that setting.
As for the cause it has something to do with LTE. Whenever I would associate to a LTE tower my GPS would stop working. I believe LTE has some type of positioning associated with it and if you associate with a tower it overrides your conventional satellite based GPS.
atroph said:
Use root browser to edit the last line in
/etc/gps.conf
The last line will be
LPP_PROFILE=0
Change the 0 to 3. Save and exit.
Try out your favorite gps and you should lock on with no problems.
Reverting to sense is not necessary. I use CM10.1 as a daily and have had no issues with gps after changing that setting.
As for the cause it has something to do with LTE. Whenever I would associate to a LTE tower my GPS would stop working. I believe LTE has some type of positioning associated with it and if you associate with a tower it overrides your conventional satellite based GPS.
Click to expand...
Click to collapse
Thank you for taking time to answer this question. I'm having an issue on the newest release of dirty unicorns. Going to give this a shot. :fingers crossed:
pmacevad said:
Thank you for taking time to answer this question. I'm having an issue on the newest release of dirty unicorns. Going to give this a shot. :fingers crossed:
Click to expand...
Click to collapse
Did it work?
Sent from my One using xda app-developers app
Thanks. works on CM 11 with Verizon Note 2
atroph said:
Use root browser to edit the last line in
/etc/gps.conf
The last line will be
LPP_PROFILE=0
Change the 0 to 3. Save and exit.
Try out your favorite gps and you should lock on with no problems.
Reverting to sense is not necessary. I use CM10.1 as a daily and have had no issues with gps after changing that setting.
As for the cause it has something to do with LTE. Whenever I would associate to a LTE tower my GPS would stop working. I believe LTE has some type of positioning associated with it and if you associate with a tower it overrides your conventional satellite based GPS.
Click to expand...
Click to collapse
Hey thanks a million for this little note. My GPS was jacked up after finally moving to CM 11 from stock on my Verizon Note 2. It was driving me crazy. I use GPS more than almost anything on my phone.
Very simple fix. Funny they don't just fix this in the nightlies.
SUB
That didn't work for me. Anyone have any other ideas? GPS won't lock for me no what type of data connection I have when using aosp rom. It works great on a sense based rom.
Sent from my SPRINT HTC ONE using Tapatalk
Hello, I've tried everything to make it work, I installed the GPS apps and everything, even flashed two different roms and still not working.. Is it a kitkat problem?
Ashk91 said:
Hello, I've tried everything to make it work, I installed the GPS apps and everything, even flashed two different roms and still not working.. Is it a kitkat problem?
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Click to collapse
I have the same problem I cant even get the phone to search for a GPS signal. my bootloader is unlocked and rooted. Im thinking of reverting back to stock to see if this fixes anything
disaster999 said:
I have the same problem I cant even get the phone to search for a GPS signal. my bootloader is unlocked and rooted. Im thinking of reverting back to stock to see if this fixes anything
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Click to collapse
I reverted to stock and it didn't work as well, tell me if it helps you please
I tried restarting my phone and that got the GPS to turn on. But it wouldnt turn off itself whenever you exit an app like Maps or a GPS status app. The icon will continue to flash on the tool bar for a while and eventually turn of by itself. If you try to activate the GPS again you need to restart your phone.
Im not sure if this is a 4.4.2 problem or a unlocked/rooted problem. Ill try to revert my phone back to stock tonight
disaster999 said:
I tried restarting my phone and that got the GPS to turn on. But it wouldnt turn off itself whenever you exit an app like Maps or a GPS status app. The icon will continue to flash on the tool bar for a while and eventually turn of by itself. If you try to activate the GPS again you need to restart your phone.
Im not sure if this is a 4.4.2 problem or a unlocked/rooted problem. Ill try to revert my phone back to stock tonight
Click to expand...
Click to collapse
my gps doesnt have that problem..download an app called gps status, it shows how many satellites are in the field, then click on agps reset, then download then reboot..some people report this method fixes their gps, but doesnt fix mine ..keep me informed
I'm having the same issue lately after sending my phone to service to fix camera... My gps doesn't want to fix satellites. I tried reverting to stock (keeping s-off and unlocked bootloader) installed a guru reset rom and applied otas but no way till now. Last chance will be flashing a ruu, didn't have time yet but I'll do it in a couple days. I will keep you guys informed, if anyone succeeds in fixing it, please post how you did it!
Gps status sometimes sees satellites but signal is too low and never grows. I even tried tweaking gps.conf file a lot but no way...
Sent from my HTC One using XDA Free mobile app
Update: i tried with a RUU zip with android 4.1.2 and applied otas till 4.3 (that was the last one i received) on one of this upgrades camera was unable to launch but on the next one it came back. And no way to get gps working with any one of these upgrades. Gps status sees a number of satellites (weird thing, after every new flash glonass satellites appear with some sort of signal -- snr <= 1.18 --, until i reset gps data and download new agps files, then they never come back until i flash some other version/rom) but never gets an acceptable signal enough to lock..
Really don't know what else to try, i think i will send back to service..
Sent from my HTC One using XDA Free mobile app
karma0321 said:
Update: i tried with a RUU zip with android 4.1.2 and applied otas till 4.3 (that was the last one i received) on one of this upgrades camera was unable to launch but on the next one it came back. And no way to get gps working with any one of these upgrades. Gps status sees a number of satellites (weird thing, after every new flash glonass satellites appear with some sort of signal -- snr <= 1.18 --, until i reset gps data and download new agps files, then they never come back until i flash some other version/rom) but never gets an acceptable signal enough to lock..
Really don't know what else to try, i think i will send back to service..
Sent from my HTC One using XDA Free mobile app
Click to expand...
Click to collapse
Any update on this?
Im having issues with my GPS as well. I use the ViperOne ROM (latest) with the ElementalX firmware. When I try to use Google Maps the following will happen:
1) GPS will find my location ok and calculate a route ok.
2) I start driving and the blue arrow in google maps does not move OR it thinks im on a different road than I actually am. When it thinks im on a different road the arrow may or may not move...more often than not it just stays still.
3) I have driven for over 10min hoping it will eventually start to work but it doesn't.
4) The only way I have got it to work is to pull over, stop nav, close maps and try again. Generally on the 2nd or 3rd try it will start to work correctly.
My GPS was working fine before I rooted and installed a custom ROM. I will try wiping and flashing ViperOne tonight and use the stock firmware instead of ElementalX. Will report back to see if this works.
froggy88 said:
Any update on this?
Im having issues with my GPS as well. I use the ViperOne ROM (latest) with the ElementalX firmware. When I try to use Google Maps the following will happen:
1) GPS will find my location ok and calculate a route ok.
2) I start driving and the blue arrow in google maps does not move OR it thinks im on a different road than I actually am. When it thinks im on a different road the arrow may or may not move...more often than not it just stays still.
3) I have driven for over 10min hoping it will eventually start to work but it doesn't.
4) The only way I have got it to work is to pull over, stop nav, close maps and try again. Generally on the 2nd or 3rd try it will start to work correctly.
My GPS was working fine before I rooted and installed a custom ROM. I will try wiping and flashing ViperOne tonight and use the stock firmware instead of ElementalX. Will report back to see if this works.
Click to expand...
Click to collapse
So the 2nd post in this thread has solved my issue...for now.
froggy88 said:
So the 2nd post in this thread has solved my issue...for now.
Click to expand...
Click to collapse
Nop no good still. If anyone has a fix for this it would be appreciated!!!
Same issues here after sending in for repair. GPS sees about 18-20 satellites per the gps status apps, but only fixes on 3-4 with weak signals. Tried a few gps.conf tweaks which help but seems that they're just using more of the AGPS data and not actually the GPS chip.
EDIT: Have tried a few fresh wipes and different ROMs, GPE edition, etc. - all the same. This never happened in the past :/
zeezz said:
Same issues here after sending in for repair. GPS sees about 18-20 satellites per the gps status apps, but only fixes on 3-4 with weak signals. Tried a few gps.conf tweaks which help but seems that they're just using more of the AGPS data and not actually the GPS chip.
EDIT: Have tried a few fresh wipes and different ROMs, GPE edition, etc. - all the same. This never happened in the past :/
Click to expand...
Click to collapse
I have tried updating the firmware to the latest version and different ROMS but that did not help. However I discovered that in google maps if I select the walk mode my navigation will work! Unfortunately thats no help as I need the car mode to work.
I installed GPS Status and it locks on to plenty of satellites so im not sure why Google Maps (or any nav apps) will not work.
I came to the same conclusion as you. It seems like the phone is using AGPS and not the GPS data.
froggy88 said:
I have tried updating the firmware to the latest version and different ROMS but that did not help. However I discovered that in google maps if I select the walk mode my navigation will work! Unfortunately thats no help as I need the car mode to work.
I installed GPS Status and it locks on to plenty of satellites so im not sure why Google Maps (or any nav apps) will not work.
I came to the same conclusion as you. It seems like the phone is using AGPS and not the GPS data.
Click to expand...
Click to collapse
I did a little research the other day ...I can't find the link but I remember most of it..
Apparently one of the Google+ and/or playstore silent background updates mess up gps on google maps for HTC One.
Using the 'GPS essentials' and 'Gps status' apps you can actually lock on to all the gps satellites fine.
Also using navigation,like you did...also locks on fine.
Its the standard google maps over view and a few other apps that use it (like my bus map app) that are affected.
One work around is apparently (didn't work for me though) going into the google settings app and tinkering with Google+ settings. turning it off or clearing it or something.
This is a software issue. I'm on untampered pure stock.
So I have resolved the GPS issue on my device. I tried a whole bunch of things so im not totally sure what fixed it. I:
Removed HTC Backup using root uninstaller
Using Faster GPS set my location and added the TRUE flag to AGPS_Enable
Using GPSFix I waited until it locked onto a satellite.
Rebooted my phone then tested with GPS Test. My phone locked onto about 8 satellites.
Tried Google maps navigation and it worked.
So far its been 3 days, 2 reboots and counting. Hopefully something similar works for you.
If you're rooted editing the GPS.conf file fixes it perfectly. The default setting are just totally crap
froggy88 said:
So I have resolved the GPS issue on my device. I tried a whole bunch of things so im not totally sure what fixed it. I:
Removed HTC Backup using root uninstaller
Using Faster GPS set my location and added the TRUE flag to AGPS_Enable
Using GPSFix I waited until it locked onto a satellite.
Rebooted my phone then tested with GPS Test. My phone locked onto about 8 satellites.
Tried Google maps navigation and it worked.
So far its been 3 days, 2 reboots and counting. Hopefully something similar works for you.
Click to expand...
Click to collapse
And GPS has stopped working again. What a pain.
Go here. This is how I fixed my HTC one. It works on all android phones. The default GPS.conf file is rubbish
http://forum.xda-developers.com/showthread.php?t=953630
I tried the gps.conf file in that link. It seemed to be slightly better at first, locking onto 3 satellites with yellow SNR in GPS Test. But then I tried resetting and downloading the AGPS data with GPS Status and after it doesn't even detect satellites anymore.
Question to the posters in the thread. Have any of you dropped your phone before this started happening? I've gone through 2 M7s and the GPS stopped working properly after taking a nasty spill and have been unsuccessful in remedying the problem.
shalpp said:
Question to the posters in the thread. Have any of you dropped your phone before this started happening? I've gone through 2 M7s and the GPS stopped working properly after taking a nasty spill and have been unsuccessful in remedying the problem.
Click to expand...
Click to collapse
I have dropped my phone several times however it is in a protective case. My issue started out of the blue: one day it was working just fine, the next it was highly erratic...and has been since.
Hello everyone,
I'm running stock 5.01 and r19 Franco Kernel. I recently noticed that my phone's GPS never locks on to a signal. I install GPS Status and it is never able to lock on a GPS Signal. It just says that is it "Looking for a GPS Signal". I'm not sure what I can do to fix this. I re-flashed the stock radio (5.0.1) as well as the 5.1 radios to see if that might fix it but it was to no avail. Can anyone help me out with my situation?
Same Issue
Bump for having similar issue...
Ever since upgrading to 5.1 regardless of ROM (stock rooted D, E, H, M, I; CleanRom and now running MeanPop with LeanKernel, both lastest versions) the GPS won't lock, nothing at all, sometimes it will lock but not track, example, I open Google Maps, I may be driving when suddenly it will lock in my position but it won't follow me when I begin to move. I also installed GPS Status (remember how it used to fix all GPS issues back on CM7 and gingerbread) but no dice.
Short of actually replacing my phone, I tried everything except going full 5.1 stock (no root, encrypted and locked). Any ideas??
rpagala said:
Hello everyone,
I'm running stock 5.01 and r19 Franco Kernel. I recently noticed that my phone's GPS never locks on to a signal. I install GPS Status and it is never able to lock on a GPS Signal. It just says that is it "Looking for a GPS Signal". I'm not sure what I can do to fix this. I re-flashed the stock radio (5.0.1) as well as the 5.1 radios to see if that might fix it but it was to no avail. Can anyone help me out with my situation?
Click to expand...
Click to collapse
Not that it will help you but I'm completely stock, not rooted, with a T-Mobile purchased N6 running 5.1. GPS is really bad for me since the upgrade. I was trying to use Google Maps to find the best route home (NJ) from lower Manhattan. Traffic was accurate but my location was bouncing all over the place making it unusable for routing.
I've got a Droid 4 running the latest CM11 (Version 11-20150626-SNAPSHOT-XNG3CA01L8-MASERATI), the stock version is also the latest (Version.98.72.188.XT894.Verizon.en.US ). My problem is the GPS flat out does not work. If I try to use GPS navigation it will show "Searching for GPS" forever, I've tried leaving it for over an hour and it still never finds signal. I installed GPS Status and Toolbox that will show "Looking for GPS location" for hours with nothing ever found. I've tried this both in CM11 and on stock. On pretty much every phone I've owned (Droid, Droid 3 and now Droid 4) the GPS has always been flaky and slow, usually toggling the GPS on and off or rebooting the phone would fix the issue, but this no longer seems to work.
Has anyone seen something like this before? Are there any workarounds?
Thanks for any help.
GPS functionality of phones is allergic to you. Try giving your phones away and see if the new owners have trouble with gps
Sent from my XT894 using Tapatalk
GPS was also pretty bad for me. Especially when you do not have gapps installed. What helps a lot, is installing SatStat (see fdroid.org) and set the "Update frequency" to "Every time", as well as enabling the update on all networks ("Networks"). This will download AGPS data needed to fix to satellites every time you turn on GPS.
An even more important thing to do, is have the time set correctly! Usually modern android versions would use ntp to do that. With gps it is extremely helpful to select a timeserver close to you. Every millisecond counts. I have NTPSync installed to help with that.
With time set and AGPS data reloaded I actually get pretty good results nowadays. And that is with no gapps installed, which usually helps as it initializes the GPS with a rough location based on your wifi and cell towers currently in "view". As you can see though, you kinda need internet to get a good fix. At least you should set the time regularly when on Wifi and download AGPS there.
I do use this though to help with network location: https://f-droid.org/repository/browse/?fdid=com.google.android.gms So this might also be helping with the location quite a bit. (not needed if you got gapps though).
Hope this all makes sense.