Hey guys, I'm pulling my hairs out on this problem I am getting with my note 4.
Long story short - I cannot get a GPS fix (to even a single sat) with my N910T.
The longer version:
This thing had a cracked screen - but worked great before that (no GPS problems) and I used it a good year before breaking it. So I bought a N910A (ATT) note 4 to use the screen to fix my trusty note.
I gutted both phones, and put my N910T motherboard in the N910A's frame, with the screen still attached to the frame. I kept the N910A's USB daughterboard (with the charging port) because in the research I did, it seemed basically identical to the one from my broken screen frame, and I knew it would be tricky to get that out and into the new one without busting the new glass or destroying the flex cables.
So after some trouble with the S pen not working initially (the cable didn't press in fully, had to stick paper behind the flex cable and it went in properly) I was able to get the phone up and running again, and all features seemed to work great again.
However - I noticed after a couple days that the GPS was super spotty, so bad it was mostly unusable. I noticed that AGPS was on and it was using wifi and mobile data to help get a fix, so I turned it to GPS only mode. In GPS only mode the phone gets not signal whatsoever, no matter where I am.
I tried the simple fixes many recommend online, one which is to try tightening the screws a bit, and in fact, as this process continued I opened and closed up the phone several times, making sure to carefully but tightly screw all the screws back into place. That didn't help. I also tried making sure the compass calibration was good - and it made no difference. And I even factory reset to make sure there were no issues with installed apps or anything like that.
I got to thinking, perhaps its a issue with the small bendable pins that press from the motherboard into the mid-frame not making good contact, so I tore the phone down a couple more times, slightly bent out - very carefully - all the pins that press into the mid-frame to make them all have a solid contact, and even tried to get any corrosion or debris from the pads on the mid-frame. I even made sure there was contact for those little ones alone the sides of the phone which seem to have something to do with the buttons rather than what I'm dealing with.
Still no luck, so I tried doing a NV rebuild, which I read might solve getting 0 sat fixes, and discovered my phone wouldn't let me into that menu of the service options, so I had to install root and then do it through shortcut master instead. Once I finally was able to get to the menu and run the NV rebuild.... nothing changed.
So I am fresh outta ideas, and I'm thinking that A) that ATT USB daughterboard actually plays a part in GPS somehow and I need to take my TMO one out of the old phone and put it in the new frame and screen.... or B) Something is damaged on my motherboard.... or C) Somebody out there has a better solution
Any ideas, experiences of what worked are all appreciated!
BUMP --------
Still having this issue. Tried opening it up, and realllllly making sure those antenna springs are making contact, and I made sure the contacts on the mid frame are clean.
I tried TopNTP and that made no difference. Here is an image of whats going on when I run GPS Test:
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Bump?
Losing hope for my old phone here
Anybody happen to know if the daughter board that has the USB charging port plays any role in gps?
Related
hello
I have got a problem with my xperia, the top bar shows that my stereo headset is connected but is not...therefore, i cant hear anyone who is trying to call me or i call anyone.. i have been in a vodafone store and they could not find a solution, i also have done hard reset and is still the same... now im about to flash new rom. would that be a solution or any of you got different?
please help me, thanks in advance
try connecting headset again but give it a wiggle about, not too much also try pulling it out and puting it back in quickly several times in a row. be carefull.
i tried that already, not working
after a hard reset i can only assume it's a hardware fault, so i would go get it fixed because if you flash a new rom that will invalidate your waranty.
do that in the FMradio application
thank you guys, i also think that i should return it for vodafone service..
i tried in fmradio and still no working
sorry to hear that. good luck with that
last time that annoying thing happened to me i had to go to the htc HD fm radio app and plug and unplug the offical 3.5 connector to make it work( try plugging->listen to radio->set output to speakers-> then unplug)
a bunch of questions:
-what rom are you using
-did you try different 3.5 connectors
-is the earphone that caused the problem low quality?
the last time this happened to me i used the stylus and just waggled about for ages and ages and eventually the sensor registered that the headphones weren't plugged in.
do a search as plenty of people have had the exact same problem ...
good luck !
yes - just waggle the stylus around in it until it goes - worked for me
thank you..the thing with stylus works, hopefully but its still anoying to do that every time i put my headset
i have got an original vodafone uk rom
yes, i have tried many different headsets
the quality is fine
I have the exact same problem on my 4 month old X1, and now i dont rly know how hard i should wiggle with the stylus...
nottorious_91 said:
I have the exact same problem on my 4 month old X1, and now i dont rly know how hard i should wiggle with the stylus...
Click to expand...
Click to collapse
try waggling and then try inserting the headphones a few times and taking them out too
I've had the same prob for a week now.
After reading up on other HTC phones with the same issue I've found that what went wrong was a little hardware switch inside the jack failed to reset to its off position when the headphones where removed.
To locate the switch:
Turn the phone onto back so that the screen is facing upwards. The switch is at the 4-5 o'clock position if you look directly at the headphone jack, at around 1cm in.
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I inserted a small pin which was bent a little at the end to relative position I have described and after I felt it snag just gave it a small wiggle. When doing this I noticed the headphone icon would disappear for a second and return.
This is how I knew I was in the correct position. Then I gave it a good twist.
(I think anti clockwise, but you will know from which direction worked when you wiggled)
The headphone icon disappeared for good and now I'm back to normal phone use!
(Do this at your own risk! But its more precise than sticking the stylus in blind)
kamilanglia17 said:
thank you guys, i also think that i should return it for vodafone service..
i tried in fmradio and still no working
Click to expand...
Click to collapse
DO NOT RETURN IT. This happened to me once, and ONLY once after using the phone for like 6 months. I soft reset and nothing happened.
There is something wrong with the way the device toggled the connection. Just replug and unplug and press play and pause on your video/music player. It should purge sooner or later.
You can also hard reset your device you will find that the problem will most likely purge.
@Charcobeans: Thanks, it worked within 5 seconds Thats just the instructions I searched for. Waggling around did not work, but more precise it was easy. Thanks!
Hi! Some weeks ago my kaiser stop playing sounds like music and the ringtones.I dont know if it happened when i dropped it on the floor... So i opened my kaiser (bought on ebay and has no warranty) to see if there was something changed. The speaker looks well but i bought a new one from ebay (received it broken ). I just opened it a little but i saw something that i dont know if is right and i would like you to tell me. I dont know if it's a little battery but it looks like it's covered with a strange substance.Now is it supposed to be there or could it be caused by huminity for instance?
Here are some pics:
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Hi. It Is "golden cap" which is back up source. The P/N is in the service manual. The replacement part could be found on digikey...The substance sould not be there. Cheers!
you should replace that battery, its fully corroded, which may lead to rust in your kaiser... take it out and wait for the new one to arrive!
Yup that's one leaky battery. You'll need to replace that and clean up the contacts extremely carefully, being careful not to get acid on yourself or anything else.
use of golden capacitor
Hi
I face some trouble with my Kaiser (sometimes don't charge battery, sometimes reboot...)
Since it did not charge battery at all, I opened it and remouted it : it work properly again.. then it started not working again
I'm asking myself : if this capacitor is old (about 3 years) what could be the symptoms of its failure ?
Thank you for your help
Yes, Good question!!
My kaiser stopped charging. The PC would recognise it and it would (usually) boot fine but would not charge. I found another one that i bought cheap.
I had the other one laying around and thought i'd have a play with it.
I tried:
--Other USB cables.
--Other chargers.
--Other battries.
--Charging with an external battery charger.
Turns out that it all works fine but the phone will not work as a charger. I read somewhere that the fuse may have blown that is why the PC still recognises it. However, i'm not sure i can rule out the golden cap. Anyone changed a fuse? anyone had the same problem and a change of the golden cap solved it?
There is not much chatter about these problems either. I may start a new thread...
Hi
I guessed that my problem came form the internal battery connector.
I soldered directly a battery on the connector, and the battery charged OK.
But this fix seems more to be a "lucky strike" then a real patch to the problem.
Tell me if you open a new thread about golden cap.
I have a guess why the phone stopped playing music: I think the slot of the volume button is loose. On your first picture next to the main battery pins there is a small slot into which the volume control connects. When you put it back, make sure it is well pushed into the slot, I had this problem previously.
I have an HTC Dream/G1 that's having a rather odd issue. When the screen is flipped open, it appears to behave exactly as it should. When the screen is closed however, the display becomes a mess of vertical lines (or sometimes just fades to black) and does not respond.
One need only "sleep" the phone and "wake" it after flipping the screen up to bring it back to normal operation. This only lasts until the phone is again closed. I've included a couple of screen captures to help illustrate the issue. I've searched and searched and found absolutely nothing about this problem anywhere.
I'm currently running Firmware 1.6, CyanogenMod-4.2.7.1 with Cyanogen recovery. Everything was working fine and the phone suffered no trauma prior to this issue presenting itself. It literally happened while the phone was sitting idle on a coffee table. I've tried reflashing the phone (including reverting to Dreaimg.nbh and starting "from scratch") to no avail.
It does not appear to be an issue with the ribbon cable (no amount of flexing the cable or moving the screen has any effect). The display behaves properly throughout its movement up until the exact point at which it switches to "closed" functionality (approximately 80% closed). It appears to be something related to the hardware after it switches to "closed mode". My shot-in-the-dark guess is some form of chip-failure related to the phone's orientation detection as the vertical lines do not change regardless of orientation or touch-input. Again, that is just a guess.
If no one here has any recommendations, I will likely perform exploratory surgery and barring any obvious hardware failures, will likely be forced to replace the phone. If I do manage to resolve the issue (with or without outside help) I will surely assemble a how-to so others may resolve the issue in the future.
Thank you everyone for your help and suggestions, and for existing in the first place. You are the reason technology is fun.
EDIT - As pjcforpres kindly pointed out, I neglected to include the fact that the display failure is present regardless of boot state. It behaves this way upon initial "G1 screen" boot and even in the recovery console. This is appears to be further support for the idea that it is indeed a hardware failure.
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Does it do this while in recovery/boot loader as well? Is there anyway when closed to get it to work correctly?(I think your answer will be 'no' but just double checking)...
Oh wow, I can't believe I forgot to include that important bit of information. Yes, the phone behaves this way regardless of boot-state. Even with the initial "G1" screen displayed or in recovery mode, closing the screen brings about the display failure. No amount or configuration of screen or button operation seems to bring about the appropriate closed screen behavior. I will edit my original post with this information if I can. Thanks for looking and responding!
I didn't read your post
But my dads g1 did this.
It's a hardware ribbon, not software.
Go get a return or exchange for a new g1 because yours is defective.
That makes me think hardware then... not sure what though? Like you were saying, if there is an open/close switch of sorts that would be my bet. It could be the flex cable as well, and when it close that much it gets pinched, and happens to coincide with the orientation flip. But then it wouldn't take sleep and unsleep to go back right when opened, I would think... so we are back to it probably being the orientation sensor switch being funky like a monkey.
Well, I just tore it completely apart and put it back together to no avail. I made the assumption that the LCD flex cable was not the cause because of the behavior (only happening at a precise position, having to sleep then wake the phone to recover, etc...). It appears, however, that this assumption was incorrect. On Icebergxx's suggestion I decided to give it another look. I wedged a tool in against the cable and with various forceful flexing I can recreate the issue even with the screen fully extended. Luckily it appears the LCD flex cable is available on ebay for $24. Thank you so much for your responses. I'll dig around for a flex cable replacement guide, if a sufficient one does not yet exist, I will take the opportunity to share. Thanks again!
You're so handy its admirable haha good luck buddy glad to have helped.
Happy to hear it is just the flex cable! I was worried with the way it was acting it was something worse, just the whole not coming back to life when opened without sleeping then un-sleeping.
Hello,
Recently I sent my nexus one for a button replacement. I got the phone back with some strange symptoms:
- Flash light blink at random event (first boot, after I hang up a call, etc..) but cannot be controlled by software (torch and camera app in CM7, MIUI or the stock firmware). The camera however works fine.
- The ambient sensor is dead. It either reports a very high value (2600 or 5800) or a very low one (10) (these values were taken from the CM7 auto brightness adjustment settings)
- Mic from the headphone when I plug in does not work anymore (the mic works before and tested to be in working condition)
From some online research, it seems like a loose connector can cause the wonky flash light problem (report by fblodroid, he fixed it by plug the connector back)
http://www.google.com/support/forum/p/Google+Mobile/thread?tid=46ef1e3a49030ed9&hl=en
My question is: can the other two problems be related to this connectors as well? Or did I get a defective board?
I plan to fix it once the tools arrives (dealextreme takes forever!). Another option is to bring it back to the service center to get fixed (this will take a week, and who knows what kind of fees on top of that). I'd prefer to fix it if I can.
Anyone has some knowledge about this kind of issue? Any idea what do those connectors do?
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popophobia said:
Hello,
Recently I sent my nexus one for a button replacement. I got the phone back with some strange symptoms:
[...]
Anyone has some knowledge about this kind of issue? Any idea what do those connectors do?
Click to expand...
Click to collapse
Dude, if your N1 is on warranty I wouldn't even bother to think what is causing this problems Send it back. You'd have o wait some time but you will still have your warranty for the future, and if you disassemble it you will probably loose it (not mentioning that your problem could be unfixable!).
They screwed up and they should fix it for free. I hate when electronics come back in worse condition after repair than before...
Well, it's out of warranty. But I think I have 3 months part warranty from the last repair.
They didn't put any seal on the screws this time. Maybe you're right, it's smarter to just send it back to get everything resolved.
I'm just curious whether all the problem described above can be attributed to the board they replaced (or one or two loose connectors).
popophobia said:
Well, it's out of warranty. But I think I have 3 months part warranty from the last repair.
They didn't put any seal on the screws this time. Maybe you're right, it's smarter to just send it back to get everything resolved.
I'm just curious whether all the problem described above can be attributed to the board they replaced (or one or two loose connectors).
Click to expand...
Click to collapse
I didn't know about the warranty, BUT: They spoiled your phone while fixing button so as a consumer you have right to demand that they fix it free of charge! Maybe it's something like silicon defect or "cold solder" (don't now if it's correct name. Google-Translated it) on the main board. They should have tried it before sending it to you.
Wish your N1 will get better soon
I got this phone the other day, It's just got snow all over the screen (it's out of warranty) so I opened the cover, pulled off all connectors and re-seated them (didn't remove any boards, just what was accessible once the back covers were off.
I am new to Android but, this model I have replaced 2 Displays on (not this phone), seems I get one for cheap with a broken display, I fix it and someone offers me more than triple what I paid for, so I keep selling them :-/ (a man cant turn down a big profit). So I know how to pull this phone apart and replace parts if needed. I was looking to give Android a solid shot here (I am a Windows Phone person now)and not sell this one...
Not sure if the display is toast or this is just a Bricked or something else.
Note:
-If I connect to a PC, it connects fine
-When the phone is on, If I touch the lower of the screen, I hear clicking
-Double click on the center of the screen wakes up the display.
-Verzion software tool does not detect the phone (even though a drive is mapped for it)
Also to know, I have never rooted a Android device, so no idea on how to tell if it's rooted or not from the file system. Yea, when it comes to Android devices, I am a NooB.
Any idea ?
Thanks in advance !
Ok, Still trying to trouble shoot this, figuring it was a Brick or something with a lot of effort (The touch screen seems to work but, power off was a guessing game where to push to get it into bootloader mode).
I tried to go back to Stock with it, following these directions...
http://forum.xda-developers.com/showthread.php?t=2448960
Now during the process, every once an a while, on the top of the screen, I can see about 1/2 of the ICONs, it's static so it does not update but, it's the most I have seen off this display.
After showing Successful, it's still doing the same thing. accept a hair of it, static across the top of the screen.
So, does this lead down to a hardware based issue (if so, what part should be replaced), or is this display damaged and needs a replacement ?
Has anyone gone through this and can help ?
Edit, Picked up the one of the cables for the phone that the video, power, headphones all plug into, as all my problems are resulting in something that plugs into this cable, figured I would give it a shot, The only things that are left are the Main board, or the display itself.
Maybe this will fix it ?
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Does anyone have any input that might help me here ? Will this part fix it, or is this phone screwed completely ?