yashsingh1/xdaforums huggingface dataset:
[Acer Iconia A500] subnoize soulja:
what is the benefits of this other than making gps faster???? is something good to have if your using navigation or something for better responce times or something im just a little confused?
[Acer Iconia A500] crypted:
This patch enables extra variables and adds some extra functionality so that GPS and related location systems can more quickly and more accurately find your location.

This assumes you have a rooted device and are using a non-stock ROM for the most part. Also, this assumes you have some sort of data connection at least a few times a day.

If you have issues, try it. If you're content with your GPS performance, there's not a need. Lots of people have issues and this has helped them.
[Acer Iconia A500] subnoize soulja:
If I have the a500 wifi version this really won't do me any good I'm assuming then?
[Acer Iconia A500] crypted:
That depends. If your GPS unit is faulty, it definitely won't be good because you won't be able to rely on SUPL servers.

If you GPS unit is good, though, it might very well be okay. In fact, I would think you could likely have great success.

Here's what I'd do:

1. Install the AGPS Patch

2. Install GPS Status from Market

3. Set GPS Status to download GPS data two or three times a day. And, manually download the data before you go out and about where you will not have WiFi.

4. Precache a map using Google Maps Lab for Precaching.

5. Try it out.

Who knows, you may end up with a great navigational tool without constant data connection that way! ;)
[Acer Iconia A500] subnoize soulja:
thanks I will definitely give it a whirl
[Acer Iconia A500] subnoize soulja:
@ crypted I took your advice and downloaded gps status and ran it and I get a lock on 3/5 sats in 9 seconds so I went back to where you download the patch but I'm not sure what link I need.... I am running civato's flexstriker r8 2 Rom and I'm not too sure which patch to download I was thinking Google specific but I don't want to mess nothing up if you can please point me to the necessary link that would be greatly appreciated thanx in advance
[Acer Iconia A500] crypted:
Okay, well I always recommend Google Specific and am particularly fond of v3.1.

Like normal, do a backup before flashing it.
[Acer Iconia A500] subnoize soulja:
Yes sir thank you so much
[Acer Iconia A500] subnoize soulja:
hey crypted just wanted to let you know I just installed the patch and it works amazingly more sats within a shorter time I get a lock on 9 sats in 9 secs thanks
[Acer Iconia A500] nifterific:
installed 3.1 on the a200 3.2.1 rom. went from GPS constantly searching with no results ever to 7 sats in 6 seconds according to GPS Test from the market. Turned off GPS, loaded google maps on Wifi (you know, to load the map), backed out of google maps, turned off Wifi, enabled GPS, went back into google maps and it says I'm across the street from me (closeenough.jpg). THANK YOU for this.
[Acer Iconia A500] crypted:
Just a friendly notice that the thread has been updated.

There is a new build which I recommend. Before questioning or inquiring why I removed the use of SSL, review the NOTE on the matter. This has proven to be a faster operation by tests in various regions and numerous devices. ;)

Lastly, I added a section for asking questions. Review that before communicating here. It gets really old seeing that people refuse to read what I've worked hard to write especially when it usually answers the questions asked.

Don't forget to consider donating if you appreciate the work and find it useful. :D
[Acer Iconia A500] drharisis:
please help me....Which patch I have to download for having aGps????I have acer a500 with honeycomb 3.2 rooted...I am a bit confused...thankssss
[Acer Iconia A500] crypted:
From the first thread:

Pick either. I use the first one.
[Acer Iconia A500] drharisis:
I tried with both of these pathes. on my A500.After downloading them I copied the gps.conf in system/etc/gps deleting the original gps conf...Unfortunately with both of them I cannot get nor 1 satellite....(before I was taking 3 sats)...Is this caused because I have honeycomb 3.2(Even worse after restoring the original gps.conf ) I still cannot take any satellite..SOME help
[Acer Iconia A500] crypted:
This patch will not cause you to get zero satellites and then to get zero satellites after a restore.

Have you cleared your cache? If you boot into your recovery mode, you should be able to clear the cache partition. Try that.

Have you power cycled the device a few times? On/Off/wait a few seconds/On/Off/wait a few seconds/On/wait a few seconds/Off

What other GPS apps do you have on your phone?

Did you review ALL of the Notes section to ensure you are in compliance?
[Acer Iconia A500] drharisis:
I use gps test..I am a newbie...Have I to copy gps.conf in system/etc/gps or in system/etc/ ????Also something help..It seems that gps is tottaly out of order...
[Acer Iconia A500] crypted:
It goes to the same place. Which version did you use? Google NO-SSL? If not, try that one. Flash it/copy it, make sure that it copied (look at the gps.conf and see if it is the same), shut down your machine for two minutes, and turn it back on.

Remove any apps for GPS except for "GPS Status." Download that app from the Market to see how many satellites you can connect to.

Remove your tablet from ANY case. GO outside to the highest point without any obstructions. If you are around high-rise buildings, go to a park where you have a very clear unobstructed view of a large portion of the sky to test from.
[Acer Iconia A500] dr mcknight:
ok i tryed flashing with cwm witch failed. wouldnt flash.

so i tried..Method 2:

1. Download the patch

2. Copy gps.conf and suplrootcert into /etc/ of the system (not sd-card) using ES File Explorer, Root Explorer, or some other form. You must have SYSTEM set to Mounted and Root enabled. Check your explorer app's SETTINGS to do this.

3. Reboot the device

4. Review the NOTES section

im asuming i needed to extract files but i cant find suplrootcert? gps.conf is there.
[Acer Iconia A500] crypted:
Right, I need to update that part I guess. There is no SUPLROOTCERT for NO-SSL versions because the certificate is used for SSL connections only. Or, I guess I could put a placeholder file there just for craps...

What do you think on that? Placeholder SUPLROOTCERT file that isn't used -OR- break step 2 into two separate parts for SSL vs NOSSL...?
[Acer Iconia A500] dr mcknight:
break it down in two parts would be best i think....

so just gps.conf? thanks for quick response :D
[Acer Iconia A500] crypted:
Yeah, just that file.

So how about:

That decent or how ought I word it?
[Acer Iconia A500] dr mcknight:
and... i already have a gps.conf in that folder do i need to do anything with it?

---------- Post added at 08:08 PM ---------- Previous post was at 08:07 PM ----------

Method 2:

1. Download the patch

2. Copy all file(s) into /etc/ of the system (not sd-card) using ES File Explorer, Root Explorer, or some other form. You must have SYSTEM set to Mounted and Root enabled. Check your explorer app's SETTINGS to do this.

Files will be: gps.conf & SUPLROOTCERT -OR- only gps.conf for NO-SSL builds.

3. Reboot the device

4. Review the NOTES section

perfect!!!!
[Acer Iconia A500] crypted:
Nah, just move on to step 3 and reboot.
[Acer Iconia A500] dr mcknight:
great thanks. ill try now and let you know. again thx for help

---------- Post added at 08:24 PM ---------- Previous post was at 08:11 PM ----------

wow instantly better!!! 7sats 5 fix right away withoout even "letting it learn"

bravo. im sorry i cant donate as i dont use credit cards but you are getting a big thanks!!lol:cool:
[Acer Iconia A500] drharisis:
I

Method 2:

1. Download the patch

2. Copy all file(s) into /etc/ of the system (not sd-card) using ES File Explorer, Root Explorer, or some other form. You must have SYSTEM set to Mounted and Root enabled. Check your explorer app's SETTINGS to do this.

Files will be: gps.conf & SUPLROOTCERT -OR- only gps.conf for NO-SSL builds.

3. Reboot the device

4. Review the NOTES section

I have to copy all file(s) into /etc/ of the system or all into /etc/gps conf of the system??Also I have to delete the gps.conf which is already located there???thanks for replying
[Acer Iconia A500] crypted:
Copy the files into there. You would have to overwrite the gps.conf to effectively copy a new one over. Cannot have to files with the same name. Proceed how you want to.
[Acer Iconia A500] drharisis:
I must copy the files to system/etc folder just or at system/etc/gps????????????
[Acer Iconia A500] crypted:
Those folders are equals. They are identical. One is a link to the other. Put it in either one and it will be in both.
[Acer Iconia A500] drharisis:
Thanks for trying to help me but no success on my acer iconia A500..Perhaps the original honeycomb 3.2 interpretes this??
[Acer Iconia A500] crypted:
So you have the original ROM?

Is your phone rooted at all?

Do you have a data connection?

Can you be specific as to what does not work?

How are you gauging "success?"

What do you get as a result?

This patch works on everything from Android 2.1 to 4.0. Some ROM's have issues to be sure that bar it from working, but rarely would it be in a stock ROM that this cannot function.
[Acer Iconia A500] drharisis:
I have acer iconia tablet A 500 with wifi.....That has stock 3.2 honeycomb rom-rooted....Without using the patch it finds 3-5 sats after 5 minutes but gpslock is unstable...Same with these patches(take usually 3 satellites)
[Acer Iconia A500] crypted:
Try the "Alternate" build.
[Acer Iconia A500] drharisis:
Also nothing...I flashed the tabooney rom from xda,,,and with that it seems that gps works a little better....Which patch should I prefer to test with this rom???thanks
[Acer Iconia A500] crypted:
As the thread states, you can flash any of them. There is nothing particular about any to direct per ROM.

As the Downloads section states, I recommend the Google Build. Personally, I use the Google NO-SSL build on my rooted Android devices.
[Acer Iconia A500] rayman95:
hey crypted, Im on taboonay and I can't flash the 3.1 NO-SSL with CWM

Is there a way to do it with CWM or do I change the method of flashing????

I'll try later with my EVO 3D too

thank's
[Acer Iconia A500] crypted:
I am only offering it as is. I don't have the time to make a bunch of new ZIP's at this point.

You can do one of two things:

1. Use another flash method if it work with your current version of CWM.

2. Copy the update scripts from the CWM ZIP for the standard build and put it in the ZIP of the NO-SSL version.

Sorry, there's just so much going on with the 20 supported devices that it's hard to make so many options. That's why I have three instruction methods for installation... :o
[Acer Iconia A500] rayman95:
ok, I use second method and that's it!!!:)

I have more satellites even inside home. Now I can know my exact adress.....:D

tkank's again
[Acer Iconia A500] I7210I:
hi

is there any solution for non rooted iconia a500?

thanks
[Acer Iconia A500] crypted:
If Acer provides one...
[Acer Iconia A500] I7210I:
and if i will do root..wich of the numbers shuld i choose?
[Acer Iconia A500] crypted:
At the top of the downloads section there are two recommended ones to use.
[Acer Iconia A500] I7210I:
yes i saw these two

Download the Google Specific No-SSL v3.1 build

Download the Google Specific v3.1 build

but i use the patch and in the patch there is option to choose between what come with that ...so from there wich one to use?

and also if not what to take from these two builds?

thanks
[Acer Iconia A500] crypted:
Try No-SSL first. If it doesn't get better, try the other.
[Acer Iconia A500] 131313:
Hi Crypted

Thanks a lot, it helped my Asus TF201 Prime. I get 9 birds with flushed AGPScache, no Wifi connection and the tablet face down. I wonder why they took the GPS out of the specs, when they only could have put in these files... :D

And all these experts over at the forum tell people the Prime metal backpanel was the reason for s..y GPS.....

LOLLOLLOLOLOLOLOLOLOL

Now I only need a BT/Wifi fix, but BT was always peculiar on my devices.

Thanks again, keep up the good work, mate.
[Acer Iconia A500] crypted:
You should be getting a private message from me. I'm working on a test patch for the Prime...
[Acer Iconia A500] scoobysnax8569:
Tried using on my Acer Iconia A500 running FlexReaper R10. Always fails to install. Anyone have any luck?
[Acer Iconia A500] crypted:
There are three methods to install with. This message indicates you tried one. Try the others? If you have root, certainly two of the three will work.
[Acer Iconia A500] CuriousTech:
No trouble with R10 here.
[Acer Iconia A500] AtypicalWinter:
Thank you so much for this gps.conf patch. Its amazing. Never before have i had such a quick gps lock. When I get paid ill send you a few beers. It's worth it...

P. S running BlackIce a CM7 platform on a desire HD
[Acer Iconia A500] scoobysnax8569:
Apologies, I should have elaborated. Yes I had only tried the CWR method to no avail. Just did the file explorer method and worked like a charm. Thanks for the files. Got an easy 6 sat lock
[Acer Iconia A500] drharisis:
Which is the most suitable patch for R10 flexipaire rom????
[Acer Iconia A500] crypted:
Always the recommended patches.
[Acer Iconia A500] pacificwing:
I saw this mentioned earlier in the thread, and I wanted to reiterate it again.

I've tried many different mods, gps.conf files, patches and even multiple ROM's based on both HC and ICS. The only time I've ever gotten a reliable GPS lock is using Thor's rom.

Thor's 14.2 mod works excellently.

I just switched back to flexreaper ICS, and my GPS has gone defective again. This pretty much rules out the hardware. The more I think about it, the more I suspect it is a driver issue.

I noticed the following line in the build.prop of Thor's Rom.

gps.version.driver=V5.5.8

I also noticed a bunch of new .so files in the system/lib directory.

I suspect that Thor implemented a new driver, since this line and files don't appear in any of the other ROM's I've used. This may be an indicator of how to correct this issue, but I don't know how to proceed.
[Acer Iconia A500] drharisis:
Ialso use flexreaper ICS r11 rom and after testing both patches I take a dix of 3-4 sats after 5 minutes...(at the same position my phone locks at 8-9 sats)...so I agree with your opinion..I am far away of having my gps tablet working as my phone tablet
[Acer Iconia A500] crypted:
Just for the hell of it, y'all could try my latest foray: http://xdaforums.com/showthread.php?t=1564037

Report back on that.
[Acer Iconia A500] deboyz1014:
I'm one of the few where GPS work only with Thor's ROM. I'm paranoid so I'm backing up my ROM now, will try both the google ssl and none ssl version to see if it make any difference.

I'm running Thor ICS 144 currently. Just tried flashing 3.1 zip from CWM but no go, got error

Error in /sdcard/Download/agps.patch.google.build.nossl.v3.1.zip (Status 0)

Same with the ssl version.

Next up, moving file manually into the etc folder.

Tested with GPS status / no Internet 5 x each

Thor's gps.conf = 30-60 seconds to lock onto 3-4 sats

Crypted gps.conf without ssl = 30-60 seconds to lock onto 3-4 sats

Crypted gps.conf with ssl = 30-60 seconds to lock onto 3-4 sats.

I'm in California and the tablet sat at the same spot.
[Acer Iconia A500] pacificwing:
It seems I was correct. I was just told simultaneously in two separate forums that the Thor's rom is based on the Asus build, which would use a different driver. That would make sense, since other things that never worked with the Acer (like additional bluetooth profiles) suddenly worked with the Thor mod, while other things (the rotation switch) stopped working.

It's almost like someone took a Transformer and stuck it inside my iconia, since it seems to work with better with Asus based roms. Either that, or Asus just has better kernel developers.

I wonder if there is a way to move the driver over. That's a little over my head, unfortunately. If anyone finds a way, let me know.
[Acer Iconia A500] crypted:
It isn't a big surprise quite honestly. This device and the original Transformer share very similar hardware. It wouldn't be hard to port working libs and so forth over to repair what Acer has failed to resolve.

That being said, my RC build I linked to above has turned the Prime (which had **** GPS) into a marvelous HD GPS unit fit for travel.
[Acer Iconia A500] deboyz1014:
Just for S&G, I tried the Prime RC both with and without the SUPLROOTCERT, no difference.
[Acer Iconia A500] crypted:
Gracias for the input. If you get overly bored you could try Test Build #5. For some unknown reason, a few custom ROM's are performing better with that. Makes no sense to me but oh well. ;)
[Acer Iconia A500] drharisis:
for me there is an improvement with test build 5 tha other pathes...without having a quick fix either.as my phone...thanks for helping
[Acer Iconia A500] crypted:
I'll release 1.0 here on this thread. It'll be Test Build 5 derived probably. If you don't see an update in a week, remind me!
[Acer Iconia A500] pacificwing:
So here are some observations:

The GPS hardware works fine. This is based on the fact that there are some ROMS (Thors) work really wel with GPS. So we can pretty much rule out hardware failure, since many others are observing the same thing.

Others who have tried the Thor's ROM have reported that their GPS stopped working after installing the Thor's ROM, but worked fine on stock.

This tells me that different revisions of the A500 may have different GPS hardware. Some peoples devices work better on the stock Acer driver, others work better on the Asus driver.

Another Theory:

In regards to aGPS data, I suspect it might not be updating properly. When I haven't used the GPS in a while, it takes FOREVER to find satalites. Even outside on a sunny day it will take over an hour to establish a lock. This is with a working

internet connection and updated gps.conf with local registry servers.

Now here is the interesting thing. After the GPS establishes a lock (following an hour of trying), it works fine. You can turn it off for 20 minutes or so, come back, turn it on again, and it establishes a lock in a few seconds. As I understand it, the GPS can download the satellite almanac data directly from the satellite itself.

The fact that it seems to be able to get the almanac data from the GPS, but it doesn't appear to be able to download the almanac data from a working internet connection tells me that the "a" in "aGPS" isn't working properly. It's essentially working unassisted.

Does someone who is a bit more savvey know where I might find the almanac data within the filesystem? I want to actually find the database file and see if it's updating properly. Maybe it is a permissions thing.

I've tried force updating the database through a couple of GPS test programs, but that doesn't work. I'd like to find the file(s), but I can't seem to locate them.

I've also read that it is possible to disable the aGPS funtion in the kernel, so that it only uses GPS. I wonder if this may be an issue with some of the ROMS. I remember that the A500 was originally marketed as having GPS rather than aGPS, so I wonder if the stock kernel turns the assisted portion off.

Just throwing that out there.
[Acer Iconia A500] deboyz1014:
Tested #5, same result.

Ran some more tests, might be because of some caching but #5 does seems to helped with the locking on sats. I'm only using the gps.conf file
[Acer Iconia A500] crypted:
As I have said before in numerous responses on a lot of threads, aGPS has been disabled in source code on a bunch of ROM's especially those using CM nightlies as a base because a lot of nightlies have been badly compiled...Notes Section discusses this. There are ways in the kernel and in the ROM to disable aGPS usage and it does happen in instances but many of which are unintentional.

aGPS data from lock information and data collected by your phone are stored on two different partitions that can only be cleared using EFS options such as scripts designed to do full phone wipes which include the two GPS cache partitions.

xtra.bin and lto.dat files can be found either in temporary folders or in /data/gps/ folders.

These postulates you ponder have all been discussed before. However, I cannot attest to this thread being the locale or it being one of my other 20+ threads for other devices.... :confused:
[Acer Iconia A500] pacificwing:
Considering the sheer number of google/forum searches I've done on this topic, I'm surprised I've not run into these topics before. Granted, most of my searches have been specific to the A500.

Your post actually helps a bit. I've been experimenting with fiddling with the gps.conf file and managed to get a little better performance, but it does seem to be relying on almanac data from the satellites.

There is a file in my /data/gps/ directory called "gldata.so". According to the timestamp, it appears to be updated each time I use the GPS. I suspect this is where the satellite keeps its data. Still haven't found the aGPS files though.

On the upside, googling the file gldata.so has brought me a wealth of new information.
[Acer Iconia A500] crypted:
That is an almanac file and it really should not update with each use. They are meant to last more than one time shots. And, this slows you down because that file would be parsed over and over.

Interesting about the *.so file as that extension isn't something I'd expect as being an almanac file from my Linux experience either.

Lastly, collected data from your own GPS use is stored on separate partitions that you cannot see. You're not going to find it in /data/ or /etc/. I thought I mentioned its location when referring to EFS; but I guess I wasn't so clear.
[Acer Iconia A500] pacificwing:
Is there any way to check (terminal command maybe?) if this is the case in the ROM I'm using?
[Acer Iconia A500] crypted:
Nope. Source code review, maybe.
[Acer Iconia A500] drharisis:
Any process for a gpsfix on fleaxrepear R11 rom?????(with test build 5 I take a gps lock of 4 sats at 3-5 minutes...depends on weather)
[Acer Iconia A500] crypted:
Thread kind of updated to include a new device:

Asus Transformer Prime

This patch can be useful on devices that need the GPS XML file which is prevalent in non-Qualcomm chipsets. So, it can be used in other devices as well.

The new release has no effect on other supported devices unless it is a non-Qualcomm phone.
[Acer Iconia A500] drharisis:
The new release has no effect on other supported devices unless it is a non-Qualcomm phone.

In this article (http://www.androidtablets.net/forum...rum/13787-your-gps-working-14.html#post199885) is mentioned that we far away from havinggpsfix on A500...IT is correct???????
[Acer Iconia A500] crypted:
As discussed previously, it may help your device especially those with ICS and with custom ROM's using portions derived from other devices such as the Transformer source code.

It could help you without such components, I do not know as I do not have an Iconia A500 to play with.

You could give it a try just for the fun of it.
[Acer Iconia A500] drharisis:
In previous article it is mentioned that is important to develop some drivers to make agps enabled on this device...I tested test build 5...It seems to locate more sats but not having a quick fix.........Do you recommend another patch????thanks...
[Acer Iconia A500] crypted:
I understand that there is a driver issue and I said that previously. But, from my discussions with others THOR and possibly other ROM's are using drivers from other devices which are functional. So my point is that this patch will help even more for those who are using any such ROM that has the properly functioning drivers.
[Acer Iconia A500] drharisis:
Which patch exactly do you mean???(test build 5 ???)

...I am a little confused..thanks
[Acer Iconia A500] crypted:
Assuming that the drivers are good to go on the custom ROM you are using, the Prime version's thread has "1.0" which should work fine for those ROM's using proper drivers and all that jazz.

I say this based on my hardware review of your device (here) and the ASUS models.