GPS not working properly after LCD replacement - Xperia Z5 Q&A, Help & Troubleshooting

So that's it, gps usually finds a bunch of satellites at first but it never got a hard strenght to work properly. Already tried some apps that tries to "fix" it but nothing works. All that after a LCD and battery replacement on a tech service store. There's something I can do without sent it again to repair?

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Abbysmal GPS and WiFi Signal

I have looked far and wide for a fix to my plagued Nexus S GPS and WiFi Signal problems. I tried GPS Test and erased all cached AGPS data. NO Towers show up. Left phone sitting there next to my window for more than 30 minutes.
Wifi Signal is always one bar while my iPod, Samsung Focus, HP Veer all get three to four bars. Including different SIM cards all recently new.
I've always tried the no battery cover trick to no end. Flashed several radios for my I9020A that i bought at best buy and nothing has helped.
I'm on 2.3.4.
Any ideas before I return this phone as a defective and give another a try?
As for the GPS, this is some sort of issue with the phone. There have been videos on YouTube explaining that it's something to do with the back cover they chose: they found that the GPS signal was stronger with the back cover removed. Not too practical.
I too have issues while using Navigation (on a bus...or even in a car sometimes...it must have a lead lines roof or something) with the Nexus S that weren't present in the Nexus One (which could lock onto satellites in a basement :what. This looks like something you can try to DRM, but it may not improve.
As for the Wifi signal, how far are you from the access point? What wireless technology are you setting up on your access point? (802.11a, b, g, or n?). If it's n? Are you trying to use the phone with a 5ghz N router? Finally, is there anything between your router and the phone that could cause interference?
- chris
Thanks for the reply chris.
I have major issues even outside. the most accurate I've seen the phone pinpoint is 2500 meters accuracy with clear skies and such.
As for my router, its a BHN SBG6580. Basically Motorola Surf Board. It's supposed to go up to N. No There isn't any kind of interference otherwise my other devices wouldn't pick up a good signal right?
Please will anyone suggest anything I really like my nexus s and it's My first real Android coming from window phones and the iPhone 4
Okay so interesting find. If I tether my nexus s to my iPod my iPod can locate itself within 20 meters where as my nexus can't locate itself with about a huge margin error where I should be. My iPod gets GPS from my Nexus S giving off wifi
Does this mean it could be an android bug causing his problem ?
That's odd. It looks like Google knows where the phone is (err..where the access point with the ESSID of your phone is) but the phone isn't picking up on it.
There's a program on market called GPS Toolkit (something like that) that has an option to refresh your AGPS cache this may help you get a fix more quickly. If this doesn't work out, it may well be worth it to get the phone replaced. Oh...and if you're not using stock firmware....give that a try as well.
If none of that works, and you're not able to resolve your wireless issues, you may want to consider taking the phone back or RMAing it. This combination of issues sounds a bit strange.
- chris
Thanks again for the reply Chris.
It looks like I'm going to bring it back to stock how I got it and return it for an exchange or just wait or for another AT&T phone that is actually decent. By the way it is on the stock ROM just rooted.
If the replacement if I do get one issued still has the problems I am at lost then. I had tried GPS test from the market and the one you mentioned without any resolve to my problem

Intermittent radio/GPS dropouts

Have had my One S (black) since a week now.
On few occasions so far, I've noticed intermittent radio drop outs. The phone suddenly looses network (3G/2G) reception for certain amount of time (5-10 minutes). Along with that, GPS reception is also stopped.
This has happened couple of times so far, both times when using GPS-intensive application like GPS Status or Blitzer.de running in the foreground.
Flipping Airplane mode (on/off) will remedy the situation.
Anyone else experiencing something similar? Apart from this issue, the phone is working flawlessly.
Thanks,
G.
Yes i'm having this problem. Getting my phone replaced so hoping its a dodgy phone.
I even did a factory reset incase it was an app i'd installed causing the issue.
Thanks. Let me know if the replacement will work better.
Also, if you have found a way to replicate this, so I can show it at the shop, please let me know.
As for others - can anyone share their experience using apps like GPS status, Google Navigation, etc... and possible drop-outs using them?
Thanks,
g.
mardon85 said:
Yes i'm having this problem. Getting my phone replaced so hoping its a dodgy phone.
I even did a factory reset incase it was an app i'd installed causing the issue.
Click to expand...
Click to collapse
Mine doesn't seem to be GPS related so there is still a chance it could be my network playing up and not the phone (although I did ring and ask, and they said all was fine). Im in Manchester new and i'm having issues, back on the Wirral last weekend it was 100% fine. I will monitor the situation.
i hope it is a dodgy phone, Im receiving mine any time now... As a replacement for my Sensation which suffered terrible signal / wifi issues due to the antenna design..
I really hope its not the same on this phone, I will be gutted !
azzledazzle said:
i hope it is a dodgy phone, Im receiving mine any time now... As a replacement for my Sensation which suffered terrible signal / wifi issues due to the antenna design..
I really hope its not the same on this phone, I will be gutted !
Click to expand...
Click to collapse
Any news on this I am using Waze as a sat nav and have noticed that I am getting gps drop outs whilst using it ?
Ben
Just finished a call with the customer-satisfaction team in HTC Europe.
I left them poor feedback after several email support sessions about this networking issue (signal drop, signal switching 3G/H, WiFi issues + BT + GPS) and they called me to check why.
I repeated the details already spread here in the forum and was advised to do a factory reset.
I mentioned the fact that several users have already tried that with no success so she proposed me to send it back for repair.
She couldn't let me know when an OTA will be sent.
It seems as if they either play "stupid" or really don't know anything.

GPS won't lock when moving

Had trouble with Endomondo not recording routes properly on the wifes phone, same with My Tracks. Last night she tried to use the Google Nav and it just hung getting driving directions and the GPS logo flashing.
I tried playiung with the GPS in the garden and it locked quickly enough
Theorey is that if she starts moving, running or driving before the GPS locks then it fails to lock at all. Never had such troubles with other HTC phones.
Suspect a faulty phone, what do others think? Anyone else seen similar?
It's UK phone on Orange, she's going to call them later it's a day short of a month old but the GPS has never worked properly.
Sounds like antenna troubles. Try to get a replacement or a repair.
orange replaced the phone next day, that had a fault where the soft keys went dead. She's now on her 3rd One S, see how this goes! Hassle free service by Orange though
Well, on the third phone and the tracking using endomondo is still hopeless. very frustrating. Recorded a load of straight lines between points today, not had this with 2 HTC Deisre's or my Sensation.
I had no issues at all with my Endomondo or any other GPS app as well as not having any with my Desire.
I took her phone with me last night and tried to log my ride using Strava, see if a different app made a difference. Set it going before I let the house and set my Sensation going on Endomondo. My phone tracked the ride perfectly, hers only track the last 4km..
Frustrating, I guess another call to Orange for a 4th phone to try, is the quality really this iffy...
Here is a thread about replacing the APN (using setting, Mobile Network, Access Point Names) - http://forum.xda-developers.com/showthread.php?t=1652084. It was mentioned that this would help with not losing data while using GPS. I believe that thread dealt with the T-Mobile US version, but it may be worth a try.

GPS Stopped working

Friend of mine recently told me her GPS on her verizon S3 stopped working. she brought it by, i flashed the newest build of cleanrom on it today and sure enough the GPS still doesnt work. everything needed is turned on but it doesnt get a lock. i checked it with the GPS Status app and it shows like 0/20 satellites and doesnt lock to any. only way i was able to actually get somewhat of a lock on google maps was to hook it up to WiFi and let it gather from that.
any suggestions?
Somewhat common problem. I haven't found a fix as of yet. There is a gps fix somewhere in these forums though that sort of helps. my phone had the same problem. Going back to stock or to any custom rom, nothing worked, the gps was just dead. After flashing one of the fixes I finally managed to get it to get locks, but it needs like 7-8 satellites to get a fix, is highly inaccurate, and loses gps lock a few times on every trip.
Here's the gps fix page
http://forum.xda-developers.com/showthread.php?t=1880411
I use Galaxy s3 test 3 alt, it's the only one that gets any lock for me. The first time and other intermittent times can take up to 10 minutes or more though, and rebooting the phone or trying again another day does sometimes help.
I know it is definitely the phone, as my pantech marauder which has the same SoC which should be very similar for gps location, finds and locks on to 6-8 towers in like 10 seconds or less all the time, even indoors, and gets location accurate to less than 100ft with 4 satellites while the gs3 needs 7-8 satellites to get a lock to 300-600ft
If none of the software fixes work. And the stock unrooted software does not receive GPS lock.
I would highly recommend replacing the GPS antenna just in case.
I'm 90% sure the headphone jack. External speaker. WiFi antenna and GPS antenna are all in one unit.
This piece is sold for cheap on Amazon. Or eBay or whatever.
Replacing is simply a removing a couple screws and popping the old one out.
Here is a link to eBay
http://pages.ebay.com/link/?nav=item.view&id=160890063224
Possibly you could find one cheaper.
Hopefully this is it for you.
Let me know how it goes.
Sent from my SCH-I535 using xda app-developers app
I too have this problem: the GPS no longer gets a fix w/o a data connection
the phone recently did an update to jb 411 and now no gps fix w/o data.
I do NOT believe its the antenna.
does anyone else with the os in sight have any info?
palm2droid said:
I too have this problem: the GPS no longer gets a fix w/o a data connection
the phone recently did an update to jb 411 and now no gps fix w/o data.
I do NOT believe its the antenna.
does anyone else with the os in sight have any info?
Click to expand...
Click to collapse
I too have the same problems on this rom

[Q] F350L no GPS lock

Hi,
I got a brand new LG G Pro 2 (Korean F350L version) in Canada. Everything works great except for the GPS which never get a lock. I upgraded the firmware (Sphinx V5a, stock 5.0...), factory reset, tried various GPS apps (GPS Status and test, FasterGPS...), but I still don't get any lock. On GPS Status Test & Fix, I always get 0/22 except once I got 4/20 but still no lock.
Does anybody have an idea of what to do to get a GPS lock? Any reason why a Korean version would not work in north America?
After reading a lot, I came to a likely conclusion that there may be a bad contact between the board and the GPS antenna. I see several fixes for Nexus 5 and Galaxy S3 or S4. I am willing to try this, but I can't find any schematic for the G Pro 2, so I have no idea where the GPS antenna is.
Does anyone could point me where the GPS antenna really are for the G Pro 2?
Thank you very much for your help!
Anyone?
Hi!
I recently bought a D838 and try to use it here in germany.
Unfortunately I have a similar problem as described in the first post. The phone can't get any GPS fix.
The app "GPS status" shows several satellites, but none of them are fixed.
I tried different ROMs, a few gps.conf modifications and let the phone search for a fix for about one hour. But without any positive result.
May that be a hardware problem? Would the phone find satellited, if there is a problem with the hardware?
Any ideas how to fix this?
Thank you!
Hi, mine proved to be hardware defective (likely a bad connection to antenna) and I had it replaced (so did not attempt a repair). The replacement worked like a charm. Basically, if you can have a replacement, I would go that route, otherwise, you could try to attempt a repair at a repair shop to resolder the antenna...
Thx for your answer. I will try to get a new device (or get it repaired - we will see).
Meanwhile I got another device, which shows the same behaviour.
Does anyone else have any idea what that problem may be?
In a absolutely free area in a hill I managed to get a GPS fix. At other places the phone can't get a fix.
Me LG G flex beside that has a good signal with fix, even in buildings.
I am really not an expert. It seems to me that both devices are defective in the sense that your GPS antennas are disconnected from your GPS chip. The chip can still get a fix without antenna in ideal conditions a bit like old FM radios could still get a strong signal without deploying its antenna). Based on my experience with my local phone repair shop, it would need the antennas to be resoldered on the GPS chip or get a replacement. Good luck!

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