yashsingh1/xdaforums huggingface dataset:
[Galaxy S I9000 General] darkoroje:
You raise valid points, but it is unrealistic to expect this kind of controlled testing from an Internet forum.

What I can tell you from personal experience is this: when I run Nexus one with Google Map and SGS with Google Maps at the same time while driving from work to home (or vice versa) the SGS consistently loses lock for about 30% of the route. When I go off the motorway it consistently thinks I am still on the motorway for about 10-20 after I have left it and then needs to reroute. Both the Nexus and SGS are running Android 2.2 and the same version of Google Maps. Nexus One (and an iPhone 4 which I also have) have none of this problems.

The point I tried to make earlier in this thread, admittedly not in the most polite way, is that all the settings discussed here are for AGPS. They only affect the speed of initial lock, not the functioning of the GPS itself. That is why none of the so called "fixes" work for people with non or poor functioning GPS. All that Samsung has done in various ROMs is to tinker with AGPS and also smoothing and predicting of the path while driving; they have not been able to address the underlying issue, which is the inability of the GPS receiver to keep GPS lock.

This can easily be tested by using something like "GPS status" application: it is able to download new GPS assistance data and acquire lock quickly. But if you keep this application running while driving, you will see that the GPS lock is lost many times - at least that is my experience.
[Galaxy S I9000 General] t1mman:
When using TrackerBooster, not only the "first fix" is current, but all of them. I know that aGps just helps get it quicker, but how do you explain gettings track with 5% error rate to under 1% for the same track using the same software?

I don't know how this program works, but it does and, in the end, the goal is to use the GPS to what our needs are (mine is mostly to keep jogging tracks, with speed and accuracy as high as possible)

As I explained before, so far I can conclude that all my issues are fixed using trackerbooster. It seems like not all users have this kind of result and hardware (or built date) might affect some units, but many of us had good results with the addition of a GPS booster (of some sort).
[Galaxy S I9000 General] andrewluecke:
On the other hand, such an app can help ALL devices, and without it, this discussion will be never-ending, because we aren't accurately test theories, and we can't even isolate whether it's software or not.

At the very least, we need a list of test-cases to test.
[Galaxy S I9000 General] Oletros:
I don't konw if there is a raw GPS data collector in the market.
[Galaxy S I9000 General] andrewluecke:
I've seen NMEA apps, but "my tracks" doesn't suit our purposes because it can lag all it wants and it doesn't record information about the actual satellite lock or supposed accuracy values. And GPS status is useless entirely, because nobody is going to know if the GPS coordinates it shows is correct.

Without a combination of the two, we don't really have enough information. And if it were extended to allow it to compare with other receivers the same track and record obd2 data (which would provide further info), then we'd have the first really useful GPS testing tool.
[Galaxy S I9000 General] Oletros:
Well, if there is a NMEA logger, we can convert the data to GMaps tracks
[Galaxy S I9000 General] andrewluecke:
I guess.. link that with accelerometers/obd2, and add a menu with test scenario's, and then we can test results scientifically, rather than prepending them with words such as "I think, it seems, my opinion".. Then there wont be any room for opinion.
[Galaxy S I9000 General] darkoroje:
Thanks for your post. I would try to use Navigon but it costs £52 in the market, so I am limited to Google Navigation.

I have done some more testing today using Google Maps and GPS Status. First, the SGS does appear to be very sensitive to its position in the car. If I hold it right next to the window the GPS signal is much stronger than if it is on the passenger seat. Nexus One and iPhone 4 do not exhibit such sensitivity.

However, I have noticed another strange thing, even then holding the SGS right next to the window. On some occasions Google Navigation will start showing my position as off the road. But when I check in GPS status it claims that it is still holding the lock and having 10 m accuracy, so it appears to be reporting wrong position but still claiming full lock. I have not seen this behaviour in any other GPS receiver.
[Galaxy S I9000 General] Oletros:
If you have problems with Google Navigation, you will have with Navigon or coPilot
[Galaxy S I9000 General] borelis:
I got a fix for you all. Flash Doc's 7.5 rom. I have never had a working GPS before that ROM. Now it's awsome!
[Galaxy S I9000 General] Joghurtbecher:
I recently used Navigon extensivly during a trip through Switzerland (german data plan). I had the impression that Navigon did a better job on interpreting the data from the GPS in a sensible fashion, but still suffered from the same problems as google Navigator. For example it would put us on streets that went parallel to the street we drove on. google Navigator however is seemingly far more trusting towards the GPS output and subsequently is more prone to errors.
[Galaxy S I9000 General] SkinBobUk:
I've done a search and found some people who have ripped apart the sgs to have a look.

Looking at this photo....

They have put "The left in the fuselage GPS antenna, extending to the back shell from the back."

Now im not expert, but this don't look like the best type of connection for an antenna?

Maybe movement of the phone causes a weak connection and that causes the problems with the phone keeping a lock.

The rest of the phone dissasembly is here http://www.careace.net/2010/06/09/disassembly-of-the-samsung-galaxy-s/

Any others have any ideas?
[Galaxy S I9000 General] foxbat121:
That looks a lot like antenna plugs commonly used in laptop's wi-fi antenna. They are fine.
[Galaxy S I9000 General] foxbat121:
This has been my experience as well. And no software in the world will be able to handle this kind of anormaly.

You can notice this behavior easily in Google Navigation. You will notice the nav map suddenly switch to a overhead perspective with the arrow in the middle of the screen and your position way outside of the road (assume there is no road near that location)and yet there is no blue circle around it. A few seconds later it will move slowly back to the road and all back to normal.
[Galaxy S I9000 General] danamoult:
Is the GPS menu definitely *#*#1472365#*#* ? For some reason this isn't working on Doc's 7.5 JPO rom.
[Galaxy S I9000 General] SkinBobUk:
Thats true, but if you look at the other pictures in the link the plug simply reaches from the top of the phone to the bottom, not to the physical antenna on the caseing.
[Galaxy S I9000 General] Oletros:
On Froyo is *#*#3214789650#*#*
[Galaxy S I9000 General] danamoult:
Is it just me or does Froyo no longer have the options for Skyhook or PC Tool?
[Galaxy S I9000 General] betoNL:
Thanks for your reaction.

I think (not sure) you can try navigon from the Market for 7 days or something like that...you could use the trial for test comparisons .

What Google Maps concerns, I cannot give much input, I used it a couple of times a long time ago and I dont use any longer as you noticed from my posts.

I heard many users complaining about it (not only sgs's users) but since I wont use it, I wont speculate about it much...offline gps navigation serves me just fine...

You could try (what Google Maps concerns) editing that file (gps.config) at:

system/etc/gps.conf and change the NTP_SERVER according to your region

Well from my part it's just a hunch but here is some feedback about it:

http://xdaforums.com/showpost.php?p=7278623&postcount=1

And here some more data:

http://www.pool.ntp.org/en/use.html

http://www.pool.ntp.org/zone/europe

http://www.pool.ntp.org/zone/@

Anyway, give that Navigon trial, a try;) , and give us a report ....

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[Galaxy S I9000 General] betoNL:
Beats me ...

If the hardware issue would be only about the antenna and not about the gps chipset itself, that's when bad news start to look better....

Who to ask?

Perhaps you could send an email to that woman who so fastly ripped that sgs apart, with those powerfull nails....:eek:

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[Galaxy S I9000 General] foxbat121:
Just like the wi-fi antenna inside laptop, that wire is THE antenna. BTW, how do we know that is GPS antenna, not wifi antenna?

BTW, that connector is called U.FL connector. You can find them easily on eBay by searching "u.fl"
[Galaxy S I9000 General] SkinBobUk:
I know what the connector is. But the tear down says the gps antenna is built into the actual shell of the phone. It doesn't say the antenna is the wire. Id find it strange if the wifi and gps used the same antenna.

If i was confident to take tho phone apart id try it without the wire connected and see which signal was affected. But Im not that brave.
[Galaxy S I9000 General] betoNL:
Well even if you get braver, dont do it just yet...

Today I ran more tests in the car. This time running GPS Status and GPS test apps only. To see how those snr values, satellite viewing/using behave during a stormy day like today was...

The gps performance on my sgs is so good, that I am starting to think the general problem is not hardware related...

I am retiring the bluetooth gps receiver.

Only the first fix (cold start) took a little long (2-3 minutes) but then the longer I drove the better the signals got. Even when I drove through a busy living area with more buildings..

If somebody here got any of the on-board nav.programs mentioned before installed like Motonav, Navigon, Sygic and CoPilot and with a up-to-date map, perhaps you could try the same configurations I use like in Wireless and Networks settings, Account & sync, Location & Security and in Applications/development etc.

What all these various settings got to do with anything? I dont know exactly, but it wont hurt to try...

And, to avoid the interference of the known pessimists and whiners, we could do this workshop in private and then if its successfull post the findings here.

Now, if you use solely off-board gps like Google Maps, I cannot help right now...

« »
[Galaxy S I9000 General] foxbat121:
My experience has been that rain does not affect gps signal much.

I also put my phone in flight mode this morning and ran gps test. The snr didn't change at all.
[Galaxy S I9000 General] andrewluecke:
Unfortunately, as mentioned MANY times, your testing methodology is flawed. SNR values are only useful when looking at the RAW tracks (and you know they are correct). Furthermore, we don't even know if the SNR value display is correct honestly. I've seen my location exceed the bounds of the accuracy bubble many times, so we already know some of the values at least can't be trusted.

Regardless, car navigation programs employ an enormous amount of error detection/compensation. In a city where roads are separated by 30 meters, the location only needs to remain within a bubble of 30m, before there is ANY impact. Furthermore, short peaks of major errors in car navigation apps can be easily filtered.

You wont notice a 30m lag either when driving 60km/h (17m/s). Furthermore, when you do reach a fork in the road, a dodgy GPS (but good car nav program) will simply assume for a while you went the correct direction, whilst the position remains ambiguous. That works because 99% of the time you WONT go the wrong way. This does give me an idea though of an application which uses mock GPS, to benchmark car nav programs, and test their behavior with different ranges of errors. That would also prove to you that car nav apps don't need good gps.

Anyway, all testing needs to be done with raw tracks, NOT heavily filtered tracks with plenty of error correction.
[Galaxy S I9000 General] ehe12:
save it pal. I had my second replacement from Orange UK 2 days ago. None of the 3 SGS I had has properly working GPS. always drift and shows me on a different street. shows me stay still while I was moving. In these 3 phones I have tested nearly all different firmwares, including the latest JPA I got this afternoon. None is working. I can tell the GPS problem is hardware. If you have a good GPS, congratulations. If not, return the phone is the only way...
[Galaxy S I9000 General] betoNL:
Flawed testing methodology ? Raw tracks? How exact you expect domestic gps to be?

I am just glad that I can go from point A to point B using my favourite gps onboard programs relying only on the internal gps receiver of the sgs and so far no need to use an external bluetooth device like I was doing with the Nokia Devices.

I am just glad that so far, my sgs is performing as good as any other standalone gps device

(and I had/have a few)

As somebody else said as I quote :

Bottom line:

Options:

A) Exchange your device

or

B) Return your device

or

C) Get a external bluetooth gps device (works great ... see my video)

or

D) Keep whining (maybe it will release some frustrations)
[Galaxy S I9000 General] andrewluecke:
My point is, it's fine for navigation, but useless for fitness.. I've had a few standalone GPS devices, and this does perform worse. Anyone who has actually tested a fitness grade GPS could tell you that. But yes, I agree for most people, it's mostly fine for navigation...

Your testing is totally flawed though, because:

1) SNR's and satelites in view doesn't tell you the position is correct. Those are only useful when looking at a map the same time/tracks

2) Car Navigation programs accept a HUGE range of errors, and will still seem accurate. In fact, the further the roads are spread apart, the greater the average error can be. Either way looking at Google earth, it at least in my neighborhood, streets seem to be at least 83m apart.. So nav apps can probably comfortably withstand 40m error (at 60km/h, it only takes 2 secs to travel 40m, so at worse, the upcoming turn speech will come sooner).

When jogging though, 40m takes 10secs to jog too, so enough of them can lead to poor results.

You aren't actually looking at the raw data, but some heavily optimised data. Just because every diamond being sold a jewellers is all sparkly and awesome, doesn't mean they came out of the ground that way. With the application I suggested, we could start looking at the raw data even further, and maybe get a better idea of how good the GPS really is, and where it needs optimisation/improvement.
[Galaxy S I9000 General] betoNL:
Ok, but I missed the name of the application you suggested..

And by the way, wich more efficient device are using right now and would you recommend for "fitness" navigation, since I think users should not expect that much gps capability from smartphones....

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[Galaxy S I9000 General] SkinBobUk:
I thought maybe i shouldn't expect too much either. However my Nokia 5800 tracks me with excellent accuracy when jogging or cycling. And that's a budget smart phone.

At the end of the day the sgs is a premium device and as such i think it should at least perform on par with budget devices.
[Galaxy S I9000 General] Oletros:
HTC Hero o Nexus One are perfect for fitness. Well, they are a thousand times better for GPS applications than SGS.

Even iPhone 3G was perfect for fitness if you had the application open
[Galaxy S I9000 General] betoNL:
These are the misteries of life my friend:

My lost Nokia 5800XM would not run onboard gps car programs without the aid of an external bluetooth gps receiver or good functional full a-gps (supl)

But ...my sgs does

When I was using the Nokia, there were A LOT of 5800 and N97 users complaining about gps on nokia forums, much more than some sgs users are doing now...

There is a lot of talking going around, about technical mambo jambo, one's device does this other's device doesnt...

That's why I decided to make gps videos (still busy making some more)...

Words , pics and misteries just wont cut it...if you know what I mean

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[Galaxy S I9000 General] andrewluecke:
No name, because it doesn't exist yet. Unfortunately, applications such as CubeOne, GPS status and Mytracks don't provide enough information to usefully debug. And car nav apps allow a huge range of errors whilst still operating well (which is fine if you are using it solely for car Nav).

I am comparing to a Garmin Forerunner 305, and whilst there is the element of "well, it's a smartphone so we shouldn't expect tracks as accurate", on the other hand, Garmin launched the Forerunner 205 years ago (2006 I think), and newer models are even smaller. I think it's fair to expect tracks to be on par with a 4 year old device for fitness. Granted with trackerbooster I found them to be better (and even recorded a track or two doing so), they are still a bit wavey. It could be that the device has been revamped (we really should grab an old and new i9000 to compare the hardware revisions one day), but, not really sure. All I know is that my tracks are very wavey still in places.
[Galaxy S I9000 General] SkinBobUk:
Can you provide and links to the Nokia problems? Just i used to do a lot of flashing custom software for the 5800 and generally looking for ways to speed it up, yet i never saw one gps complaint.

However leaving that to one side, my Mrs has a desire and that is comparable to the 5800 i had. Both were used to record tracks while cycling through sherwood forest. Both were kept in our pockets and not mounted anywhere with a clear line of sight to the sky, and neither missed a beat, both recorded exactly the same track, max speeds and distance.

So It really is baffling how Samsung have got it so wrong. My sgs can barely track me in perfect conditions with a clear line of sight.

Another thing I've read which might not be true is that the rumoured nexus 2 or Samsung nexus is struggling with hardware faults. If the nexus two is gonna be a slightly different galaxy s then maybe that would explain our problems? But a lot of this is rumours so i don't know what to believe.

Sent From My GT-Iphone-killer almost.
[Galaxy S I9000 General] darkoroje:
When will you finally accept the fact that just because your phone works fine does not mean that others do as well. And please stop proposing an external GPS as a solution, than I can just as well get a car navigation device and not use the SGS at all.
[Galaxy S I9000 Q&A, Help & Troubleshooting] huxflux2003:
Does anyone know how we can use the platform.tar that is included in Samsungs opensource package to build stuff? I see that it contains the source for libwebcore.so and the dalvik VM.

How can we build that? Is there a special toolchain for that?
[Galaxy S I9000 Q&A, Help & Troubleshooting] sztupy:
You will need the aosp source from source.android.com and replace files there
[Galaxy S I9000 Q&A, Help & Troubleshooting] huxflux2003:
The dalvik makefiles reference a jni directory that is missing. I guess it is closed-source?
[Fascinate Themes and Apps] CrushD:
FOR DEODEX'ED SYSTEMS ONLY

I'm new to this, Fascinate being my first Smart phone, and was just tinkering around to get it how I like it and would like to share to those who would be interested.

The clock is removed from the statusbar and the date no longer appears while your notifications are down. If you're Deodex'ed simply place it in your /system/framework/ overwriting the existing services.jar and reboot. Once again this is only for Deodex'ed Systems.

I'm not responsible for any harm you may do to your phone, enjoy.

UPDATE: I've gotten the drop down date widget when you bring down the notifications to stay hidden. You can still find a CW flashable version of my old one posted by Killarny below, but if you don't want your notification icons on the left side of your statusbar to get covered up/or have your slightly transparent status bar look ugly when you pull down notifications, the flash the newest version I posted below "completely_no_date_no_clock". Enjoy.

-----------------------------------------------------

Another statusbar mod I've got for you. This one hides the clock and replaces the date from the notification drop bar with the time. So in an app and wondering what time it is? Just touch the statusbar to have it pop up. Attached is a clockwork flashable zip to update your services.jar. Enjoy.

EDIT: To people who may later stumble upon this, this does NOT work with DJ05, if you flash it you will not get expected results and perhaps have some problems.
[Fascinate Themes and Apps] dboss713:
You should ask Frost if he can .zip this for you so it's flashable through cwm :)
[Fascinate Themes and Apps] Killarny:
I've included your services.jar in a clockworkmod update zip. I hope you don't mind me posting it on your thread :)
[Fascinate Themes and Apps] activesack:
Thanks guys! This works great so far.

It's especially useful for those running transparent notification pulldowns as the date no longer clashes with notification icons.
[Fascinate Themes and Apps] CrushD:
No problem at all and thanks, your upload is noted in OP.

Actually, it kinda still does. The drop down still appears over your left side notification icons, just no date text is in the drop down. When I figure out how to completely stop that drop down menu I'll update my services.jar and share.

Updated OP to include another statusbar mod.
[Fascinate Themes and Apps] CrushD:
Updated OP with a new version to completely hide the Date drop down.
[Fascinate Themes and Apps] Killarny:
The update is great.. The first notification icon disappearing was odd, glad to see it fixed. I haven't tried the click drop down yet, but that looks good too.
[Touch2 General] 12793080:
How to flash Tuch2 T3333?

Now my phone show bootloader but i can't flash it.

i flash with this

RUU_Signed_Xtrebh_WWE_v1_0.nbh

can not complete it still 0%.

pls help me.

thanks all user.
[Touch2 General] Mr. Clown:
Flash your stock rom through sd card ;)
[Galaxy S I9000 General] roosta:
Hey guys,

I have looked around here and mainly found peoples topics for the Galaxy S i9000T who are from a different country, need different firmware and have differently branded phones, hence this topic:

I have purchased a Telstra branded (AUSTRALIAN) Samsung Galaxy S.

BASEBAND VERS: I9000TDVJH3

KERNEL VERS: 2.6.29

BUILD #: ECLAIR.DVJH3

----------

From simple browsing I have determine 'TEL' or 'DV' just means TELSTRA (and T can also mean this). If looking at 'J' by itself it can be interpreted as OCTOBER 2010 (when i got the phone), but not sure what H3 is....or if it is read as JH3..

My plan is to jump onto a nice compatable version of Froyo 2.2, however I have NO IDEA which is the best and closest firmware to download and in case of any stuff-ups or compatability issues, if i need to claim my phone under warranty, I want to be able to flash back to stock firmware, which is this Telstra JH3 crap, and have no idea where I can find that.

My biggest gripe is nopt being able to have the FREEDOM to remove/uninstall/move certain LOCKED apps despite trying with various android apps and while i'm rooting/flashing, I thought I might as well get 2.2 since the "proposed" release date in Australia for it, and probably likely release by Telstra will be in December, or so I am told...screw that.

Can someone help me and direct me to the most appropriate version of firmware to download and, if available, the original stock firmware (if it has been replicated by anyone with the same phone as me?)

Thanks

RoOSTA
[Galaxy S I9000 General] roosta:
I've PM'd some Aussies to get attention to the post as i have nowhere else to turn to!
[Galaxy S I9000 General] AllGamer:
currently there are no safe Froyo 2.2 yet

even the original release in Europe got recalled, wait until mid November, then we might finally see some progress

for now just iron out whatever is bugging you with the current fixes, and live happy until Froyo comes out

is that I9000T a 900 band model or 850 band model ?
[Galaxy S I9000 General] Benjamin Dobell:
The Telstra I9000T is a 2100/850 Mhz model.