Database Users

Does the Xoom have a gyroscope sensor?

I couldn't find any info on that?

It does
http://wirelessfederation.com/news/tag/gyroscope/

Nice!! Thanks! It has a barometer too? I wonder what that could be used for?

Neo3D said:
Nice!! Thanks! It has a barometer too? I wonder what that could be used for?
Click to expand...
Click to collapse
I read somewhere that it would make weather predictions more accurate and perhaps some hobby meteorologist will get excited Apart from that I coudn't think what good it will do!

funnycreature said:
I read somewhere that it would make weather predictions more accurate and perhaps some hobby meteorologist will get excited Apart from that I coudn't think what good it will do!
Click to expand...
Click to collapse
It's for accurately measuring your altitude without using GPS.
For example, a mall map app could know what floor you were on.

BHack said:
It's for accurately measuring your altitude without using GPS.
For example, a mall map app could know what floor you were on.
Click to expand...
Click to collapse
Are you sure it's THAT sensitive?!??! I highly doubt that some 10 feet will have a different pressure especially since there's a more or less constant pressure via the HVAC. But I'm no expert!

Neo3D said:
Nice!! Thanks! It has a barometer too? I wonder what that could be used for?
Click to expand...
Click to collapse
You know all those 3D buildings in Google maps, this sensor will reportedly tell you what FLOOR you're on. I dont think Google Maps has that sensor built in yet, but I'm sure they will soon.
It all helps more accurately tell your GPS position by altitude. If your on a small hill, the altitude will help the GPS better lock on your position. GPS is (x.y).. adding the barometer makes your position (x,y,z).
How accurate it will be, we'll soon see.

kenyu73 said:
You know all those 3D buildings in Google maps, this sensor will reportedly tell you what FLOOR you're on. I dont think Google Maps has that sensor built in yet, but I'm sure they will soon.
It all helps more accurately tell your GPS position by altitude. If your on a small hill, the altitude will help the GPS better lock on your position. GPS is (x.y).. adding the barometer makes your position (x,y,z).
How accurate it will be, we'll soon see.
Click to expand...
Click to collapse
Actually, GPS is XYZ. The problem though is that the Z is +/- a couple hundred feet which is not good enough to know what floor you are on.
Also, the barometer can give you altitude inside a building where a gps can't lock or will take too long to lock.

What about an app that autosets to airplane mode in case you forgot. That would be enough pressure.

DIY GPS Wire to speed up GPS and improve accuracy

Hi Friends, i have made a wire to speed up the GPS.
now the speed is very good.
before i do it, the google maps accuracy in my spot is 500m,
now it is 30m.
i will upload the pic to clear it.
but you need to DIY it, so not everyone is suitable to it.

ttsunny said:
Hi Friends, i have made a wire to speed up the GPS.
now the speed is very good.
before i do it, the google maps accuracy in my spot is 500m,
now it is 30m.
i will upload the pic to clear it.
but you need to DIY it, so not everyone is suitable to it.
Click to expand...
Click to collapse
No wire no mods accuracy 5/10 m .
For info only.
Please post your GPS wire trick for others .
jje

Without any mod, My GPS is doing great with 5-10m accuracy.

1. i found out the two metal point that related with GPS siganal.
2. i put the wire on these two points
3. put the wire porperly and hide it under the back cover. no one will find it.
the test shows it took me 20 seconds to catch all the sats and accuracy is not VERY GOOD. but good than before(500m)
4. when i put the wire out, it took me 10 seconds to get the sats and accuracy is good.
you can find the look when the wire is out.
i know most of you have good GPS condition, but mine is poor, usually 500m before. so i did that and hope you can show us a better solution.
just for your reference.

Does the wire have to stick out like that or can it be looped inside the casing?
You can probably use some wire wrap to do a few loops around the internal casing?>

Top most red circle explains the sweet spot on other posts .
jje

yes, when it is hidden inside the case .i found out the signal is improved but not the best.
Sent from my GT-I9000 using XDA Premium App

@ttsunny
Thanks a lot for posting the images & solving the mystery of gspot.

thanks a lot for this, but im currently using the simple gps fix and seems that my gps can lock in 5-10 m accuracy

Will that improve even better with handsets that are already working? My GPS works fine for Google maps and other navigation software but I use it also for runkeeper and Google my tracks and it is bad as I want to calculate running distance and end up with a few 100 meters more in a 5k run
Sent from my GT-I9000 using XDA Premium App

i have checked my device today, in 5 seconds caught 9 sats.
i think this wire is very useful for me.
Sent from my GT-I9000 using XDA Premium App

Looks bloody awfull would not use something like that on my phone
Sent from my GT-I9000 using XDA App

Thanks for this. A post like this is what I was looking for when I figured out the "g-spot"
While the trick with blue-tack/tape is working, this may still be needed later as I don't know if plasticity will play an effect and eventually the blue-tack/tape trick may stop working.
So thanks again!
PS: Could you please post a link with the instructions you used to safely open the cover to expose the contacts? Was it easy?

What Kind of Wire You are Using ???
And if u Can Please Upload a video ....... it will be helpful
Thanks

Query
ttsunny said:
1. i found out the two metal point that related with GPS siganal.
2. i put the wire on these two points
3. put the wire porperly and hide it under the back cover. no one will find it.
the test shows it took me 20 seconds to catch all the sats and accuracy is not VERY GOOD. but good than before(500m)
4. when i put the wire out, it took me 10 seconds to get the sats and accuracy is good.
you can find the look when the wire is out.
i know most of you have good GPS condition, but mine is poor, usually 500m before. so i did that and hope you can show us a better solution.
just for your reference.
Click to expand...
Click to collapse
How did you know that those two points are related to GPS signal ? Do you have any datasheet ?
Also, do you know where is the GPS sensor located for GT-i5801 ( Known as samsung galaxy apollo ) ?

will try to find some hires pictures of that gps spot later

GPS survey

Evening folks, had my phone sent back to LG to sort out inaccurate GPS I had locking difficulties.
Now it locks pretty good but I'm still get pretty rubbish GPS readings compared to wife's s3 mini
Where in the house she can get lock on down to five metres next to the window where my g2 will not find a satellite
Yes I do have high accuracy on and all the other mods
Can you guys give me how good your accuracy is on GPS status or any other GPS program and if you can get GPS lock inside a building would be appreciated so I have some evidence to go back to LG as there have never heard of this GPS fault even though I've noticed quite a lot of folk complain.
Thank you
Sent from my LG-D802 using XDA Free mobile app

I just recently got a VS980 and one of the first thing I noticed was a less the perfect GPS. It will lock outdoors in under 10 seconds but indoors near a window 30 sec+ or not at all. It will generally maintain a lock if I bring it indoors however. Accuracy is usually 35-50 ft with 7-12 satellites. I verified the GPS antenna has a good connection under the back cover. The G2 GPS is usable but I guess I was spoiled by my old Moto Bionic which locks in seconds indoors or out and is accurate to ~10ft typically (using 6-7 satellites).

Totally agree the g2 is a very impressive phone and would love to have half decent GPS
Sent from my LG-D802 using XDA Free mobile app

I get a GPS lock within 15 seconds on a cold boot.

But what is your accuracy according to GPS Status would be nice for your feedback

GPS
GPS lock withing 20second

aran peumal said:
GPS lock withing 20second
Click to expand...
Click to collapse
Accuracy?

aran peumal said:
GPS lock withing 20second
Click to expand...
Click to collapse
It would be good to know the following:
G2 model number or carrier
Time to lock and specify conditions (indoors house, building, outdoors clear view, city ...)
Accuracy using GPS Test, GPS Status & Toolbox or similar
Number of satellites locked (including US GPS and GLONASS)
Any feedback on navigation (direction changing, rerouting often...)

sutty86 said:
Evening folks, had my phone sent back to LG to sort out inaccurate GPS I had locking difficulties.
Now it locks pretty good but I'm still get pretty rubbish GPS readings compared to wife's s3 mini
Where in the house she can get lock on down to five metres next to the window where my g2 will not find a satellite
Yes I do have high accuracy on and all the other mods
Can you guys give me how good your accuracy is on GPS status or any other GPS program and if you can get GPS lock inside a building would be appreciated so I have some evidence to go back to LG as there have never heard of this GPS fault even though I've noticed quite a lot of folk complain.
Thank you
Sent from my LG-D802 using XDA Free mobile app
Click to expand...
Click to collapse
A simple fix......
http://forum.xda-developers.com/showthread.php?p=54525017
Sent from My LG G2 LS-980 or LG G Pad 7.0 V400

rogconnect said:
A simple fix......
http://forum.xda-developers.com/showthread.php?p=54525017
Sent from My LG G2 LS-980 or LG G Pad 7.0 V400
Click to expand...
Click to collapse
thanks for the fix i will try it out

sounds like that fix would work but if you mess it up, its the whole gps of the phone in tatters were with the back case you can always change it.
So i have my gps working now down to 3m accuracy and can get fix indoors, it was a pretty simple fix, i cut a small section of a plastic card( similar to bank card,clubcard - USE AN OLD CARD) and this is the important part!!!!!
you have to make sure its small enough so the black connector strip on the top right hand side covers the whole plastic so you talking MM, not cms....
has the case will not close and the connection wont be perfect...
after a few trials and errors i can now say my gps is fixed!!!!!
if anyone needs any help please ask, and i will help.

sutty86 said:
sounds like that fix would work but if you mess it up, its the whole gps of the phone in tatters were with the back case you can always change it.
So i have my gps working now down to 3m accuracy and can get fix indoors, it was a pretty simple fix, i cut a small section of a plastic card( similar to bank card,clubcard - USE AN OLD CARD) and this is the important part!!!!!
you have to make sure its small enough so the black connector strip on the top right hand side covers the whole plastic so you talking MM, not cms....
has the case will not close and the connection wont be perfect...
after a few trials and errors i can now say my gps is fixed!!!!!
if anyone needs any help please ask, and i will help.
Click to expand...
Click to collapse
I had done something similar on the Verizon model which has only a single connection. I used cellphone tape doubled over and put it between the copper tab on the cellphone back cover and the hard plastic stop used to hold the tab in place. I can see the slightest bulge when I snap everything back in place so I know it makes a good contact. After all that I don't think I had a bad connection in the first place, it's just this GPS doesn't perform as well as others I am used to. It locks Ok outdoors and navigation seems to be working but no long trips yet.

wilkster said:
I had done something similar on the Verizon model which has only a single connection. I used cellphone tape doubled over and put it between the copper tab on the cellphone back cover and the hard plastic stop used to hold the tab in place. I can see the slightest bulge when I snap everything back in place so I know it makes a good contact. After all that I don't think I had a bad connection in the first place, it's just this GPS doesn't perform as well as others I am used to. It locks Ok outdoors and navigation seems to be working but no long trips yet.
Click to expand...
Click to collapse
wilks you need to get rid of the buldge, try the credit card method, because mine is perfect now constantly getting between 3/4m on GPS status not sure how that converts to your u.s feet measurment

Inside a building G2 can't find my location but SGS3 can.

Ls980 with stock or cloudy g3 gps can't lock inside building. Outdoor just lock 3-5 satellite with 30-50ft accuracy and frequently lost satellite connection. All trick with the antenna in the backcover not work for me.

Apparently a really reliable/unexpected fix to GPS woes found on Reddit...

GPS issues on the Note 4 are well known and not limited to carrier. You will find all sorts of crazy fixes out there, but I will tell you what finally worked for me.
I noticed that every time I went to take a screenshot the GPS would suddenly snap back to working. After some messing around I realized that holding it by the sides with a little pressure gets it working. Basically hold it the way that Steve Jobs told you you shouldn't hold an iPhone and squeeze a bit. That always gets my GPS to work within a few seconds. It sounds crazy but for me I've confirmed it absolutely works.
Basically Samsung sucks at GPS in general, and especially with the Note 4. I think the receiver is using a poorly manufactured antenna that is the wrong size or something, and by attenuating the signal a little bit you can get it to clear up. It's like adjusting you rabbit ears and having them only work when you stand in a certain position... if you are old enough to remember doing such things.
Give it a try and report back.
Click to expand...
Click to collapse
https://np.reddit.com/r/galaxynote4...le_maps_is_so_bad_all_of_a_sudden_its/ct4p5ih
Sent from my SM-N910T using Tapatalk

Have never had a problem with GPS on my Note 4.

ReggieTee said:
Have never had a problem with GPS on my Note 4.
Click to expand...
Click to collapse
A lot of folks have though.
Sent from my SM-N910T using Tapatalk

Interesting. I'm really glad I'm one of the lucky ones that doesn't have any issues.
Is the hardware part of it loose or something?

I've yet to try it but I do believe it is an antenna issue. Maybe made worse by cases?
If I place the phone in the dash cubby of my car, it will lose gps signal.
But even when I have it on the seat next to me, it sometimes can't locate me directly and jumps.
I thought GPS status calibration would fix but I guess you have to do that every time you reboot?
It is my only complaint regarding the phone honestly.

MajorTom_ said:
Interesting. I'm really glad I'm one of the lucky ones that doesn't have any issues.
Is the hardware part of it loose or something?
Click to expand...
Click to collapse
Will Rickards said:
I've yet to try it but I do believe it is an antenna issue. Maybe made worse by cases?
If I place the phone in the dash cubby of my car, it will lose gps signal.
But even when I have it on the seat next to me, it sometimes can't locate me directly and jumps.
I thought GPS status calibration would fix but I guess you have to do that every time you reboot?
It is my only complaint regarding the phone honestly.
Click to expand...
Click to collapse
I'd like to think for the most part I was one of the lucky ones but just yesterday morning I was using the navigation. It found me and plotted my route but when I started moving nothing happened. I squeezed the top of the device and it kicked in. The only thing I have been doing different is not using my case when the issue happened. Of course as tight as my case it it could be simulating the same situation as me pinching it. Or it could have been the initial cause for needing to pinch it.
Probably loose hardware indeed.
Sent from my SM-N910T using Tapatalk

Yes, it's almost certainly a hardware issue... check out this post http://forum.xda-developers.com/showpost.php?p=61755100&postcount=272 and the thread that it links to.

squeeze the sides and tighten the screws... it really works
Sent from my SM-N910T using Tapatalk

Yup. The GPS test app would show 20 satellites in view, and none in use. No lock ever. I pushed on the back of the phone and it locked right on. It world's every time my gps flakes out.
Sent from my SM-N910T using Tapatalk

Happy to report my GPS on Note 4 gets instant lock every time. Use a Samsung flip cover that is also a back replacement.

I have HORRIBLE gps signal... and the thing that sucks is I need it for work alot.. sometimes I'm using it and the signal starts blinking because it lost signal..and I won't get it back I leave an area or I just won't get it at all!! I hope the 5 has a much better antenna build..

Like others I'm having terrible luck with my GPS but it's only been over the last 3 weeks or so. No updates, no damage to the phone it just loses the lock on the satellites. I've tried every trick in the book with no luck. I need to call T-Mobile but haven't been in the mood to hear "we haven't seen this problem before" and wasting time on the phone with them.

rsacipher said:
Like others I'm having terrible luck with my GPS but it's only been over the last 3 weeks or so. No updates, no damage to the phone it just loses the lock on the satellites. I've tried every trick in the book with no luck. I need to call T-Mobile but haven't been in the mood to hear "we haven't seen this problem before" and wasting time on the phone with them.
Click to expand...
Click to collapse
Install "GPS Test" to see. I have Samsung Alpha and it get lock inside the buidling while the N4 sees nothing. I am mad. I hope N5 will be better on the GPS.

It's not a fix but what I do since I use gps for my work I put the phone SIDEWAYS in my cluster area and it almost instantly picks up gps.. it's what I have to do to get service if not it will be almost unusable. .hope that helps

I was reading about putting pressure on the back on another post and once I do that my phone starts working great... what can cause it to do such a thing?

chong67 said:
Install "GPS Test" to see. I have Samsung Alpha and it get lock inside the buidling while the N4 sees nothing. I am mad. I hope N5 will be better on the GPS.
Click to expand...
Click to collapse
I've been using it and I will get the coordinates then I will loose signal without moving. It's very inconsistent. The frustrating thing is it seems to be only over the last few weeks it's been happening.

I also had trouble with my GPS. I constantly get the "GPS signal lost" message, however this past weekend I tested and it seems that I get the problem when I put the phone in a certain position -on my lap for example or facing down. I have a Galaxy S5 and I don't have any issues at all.
Once I put the phone in the car mount, I don't have any problems. I guess is an antenna issue as others mentioned.

Mr. Clown said:
I also had trouble with my GPS. I constantly get the "GPS signal lost" message, however this past weekend I tested and it seems that I get the problem when I put the phone in a certain position -on my lap for example or facing down. I have a Galaxy S5 and I don't have any issues at all.
Once I put the phone in the car mount, I don't have any problems. I guess is an antenna issue as others mentioned.
Click to expand...
Click to collapse
See my problems didn't start until I stopped using my caseology case.

Completely fixes my problem (as long as I'm holding it). WTF Samsung? Do I even warrantee it or switch brands is the question. Tweet #squeezegate at Samsung, let's see if we can get some attention to this manufacturer defect.
Sent from my SM-N910T using XDA Free mobile app

Where exactly are you guys squeezing to get it to work?

GPS Issues?

Last night I turned to Google Maps for the first time since switching from an iPhone 6s Plus. I was used to instant satellite fixes and precise positioning on the map. Instead, my s7 edge placed me hundreds of meters away in the middle of the Tiber river. As I drove, fix updates were intermittent and wildly fluctuating. The device proved unless when walking, too. I've checked to make sure that all location features are on.
Anyone experiencing similar issues?
Thanks.

I had the note 4 and that phone was terrible at gps signal, I switched to iphone 6+ and never once experienced a gps issue. Now i have edge s7 and its been better but a few instances it has lost gps signal.... it must be a samsung or android thing, its too bad ill be switching to iphone 7 , i love android but honestly iphone are simply better at what they do. Heck even the fingerprint all the apps worked fine with iphone , I can't get more than 1 app working on my edge.

Yeah, a deal breaker for me as I live in Rome, Italy and really need reliable GPS to find my way around. Guess it's back to the iPhone. sigh

It seems like it's the magnetic sensor the problem. Try dialing *#0*# and under Sensor, and then look at the Magnetic Sensor, should be a blue line and a "3" in the black circle, if not, that's why your GPS is going crazy.
Here's my thread about the problem, post in it if you could:
http://forum.xda-developers.com/showthread.php?t=3339976
It was a common problem with the S6 Edge that I had...

I'm interested in knowing if you guys have a fix for this issue. I checked my sensor and the line was red with a "0". I calibrated it, and it looks fine... However, I guess I will lose this if I reboot the phone?

jproy12 said:
It seems like it's the magnetic sensor the problem. Try dialing *#0*# and under Sensor, and then look at the Magnetic Sensor, should be a blue line and a "3" in the black circle, if not, that's why your GPS is going crazy.
Here's my thread about the problem, post in it if you could:
http://forum.xda-developers.com/showthread.php?t=3339976
It was a common problem with the S6 Edge that I had...
Click to expand...
Click to collapse
Might have been the problem. My compass was not calibrated. Just calibrated and will see if GPS improves. I really want to stay with the s7 so I hope this fixes it. I posted info in your other thread.

opeth771 said:
I'm interested in knowing if you guys have a fix for this issue. I checked my sensor and the line was red with a "0". I calibrated it, and it looks fine... However, I guess I will lose this if I reboot the phone?
Click to expand...
Click to collapse
That is correct, once you reboot, you have to recalibrate the GPS/Magnetic Sensor... Oh, @opeth771 where are you located?
I'm trying to figure out if it's Exynos only, as currently that seems to be the case.

GPS has been awesome on my S7 Edge Snapdragon. Fastest and most accurate signal compared to any other android phone I have owned.

GermanGuy said:
GPS has been awesome on my S7 Edge Snapdragon. Fastest and most accurate signal compared to any other android phone I have owned.
Click to expand...
Click to collapse
Mine is an Exynos. Hope they find a fix as recalibrating, while not difficult, is a pain.

jsamuels said:
Mine is an Exynos. Hope they find a fix as recalibrating, while not difficult, is a pain.
Click to expand...
Click to collapse
Exynos here. No problems whatsoever. Been using GPS alot too.
Sent from my Blackberry Bold back in 2009

Brava27 said:
Exynos here. No problems whatsoever. Been using GPS alot too.
Sent from my Blackberry Bold back in 2009
Click to expand...
Click to collapse
Do you mind dialing *#0*# and looking under Sensors and Magnetic Sensor and see what is in the black circle, and this after you've rebooted your phone?

Curious if those of you with an Exynos are using branded phones that have received firmware updates or not. Mine was purchased direct from Samsung Italia and has not received any recent OTA updates that I understand were pushed by some providers. Just looking for possible clues.

How to calibrate? I have a red line with 0, self test says PASS. Is the noise test to calibrate? Do i have to put it on a stable surface for calibrating and does GPS need to be on?

Juuls said:
How to calibrate? I have a red line with 0, self test says PASS. Is the noise test to calibrate? Do i have to put it on a stable surface for calibrating and does GPS need to be on?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showpost.php?p=65965039&postcount=9
Found here:
http://forum.xda-developers.com/s7-edge/help/magnetic-sensor-compass-problem-t3339976
Just rotate the phone along the 3-axis and it'll calibrate and a # "3" should appear as well as a blue line in the black circle.

jproy12 said:
http://forum.xda-developers.com/showpost.php?p=65965039&postcount=9
Found here:
http://forum.xda-developers.com/s7-edge/help/magnetic-sensor-compass-problem-t3339976
Just rotate the phone along the 3-axis and it'll calibrate and a # "3" should appear as well as a blue line in the black circle.
Click to expand...
Click to collapse
:good: that was easy :laugh: Exynos btw

jproy12 said:
It seems like it's the magnetic sensor the problem. Try dialing *#0*# and under Sensor, and then look at the Magnetic Sensor, should be a blue line and a "3" in the black circle, if not, that's why your GPS is going crazy.
Here's my thread about the problem, post in it if you could:
http://forum.xda-developers.com/showthread.php?t=3339976
It was a common problem with the S6 Edge that I had...
Click to expand...
Click to collapse
Was the issue ever resolved on the s6?

GPS has worked great for me. Get a fix in just a couple seconds and it's very accurate. AT&T S7E (SD820)

jproy12 said:
That is correct, once you reboot, you have to recalibrate the GPS/Magnetic Sensor... Oh, @opeth771 where are you located?
I'm trying to figure out if it's Exynos only, as currently that seems to be the case.
Click to expand...
Click to collapse
@jproy12 Canada... I have Exynos too

I want to buy the S7 but I am worried about gps. I don't use gps with car, I use it while i'm walking and playing Ingress, often in narrow streets with high buildings (I live in Italy), so I need a very accurate positioning. What is the accuracy of the S7 GPS outdoor? Can you please make a test with the app ''GPS test''? And maybe post a screenshot of the accuracy and of the satellite's signal strenght? Thank you.

Bcl2 said:
I want to buy the S7 but I am worried about gps. I don't use gps with car, I use it while i'm walking and playing Ingress, often in narrow streets with high buildings (I live in Italy), so I need a very accurate positioning. What is the accuracy of the S7 GPS outdoor? Can you please make a test with the app ''GPS test''? And maybe post a screenshot of the accuracy and of the satellite's signal strenght? Thank you.
Click to expand...
Click to collapse
I'll do in the morning and post then. I'm also in Italy. I have an issue that degrades my GPS accuracy - the compass needs to be recalibrate after each restart. Otherwise, accuracy is off hundreds of meters. Seems to affect the non-SD units like those sold here.