[I FIX IT HELP] No signal since i fxed my screen - Nexus 4 Q&A, Help & Troubleshooting

Hi guys !
I had to buy a new screen for my nexus 4 cause I broke it, I disasembled the whole phone, replaced the screen, re-assembled the phone, but... know I have no signal... Do you know what I could have forgotten or broken ?
I can add that when my screen was broken, i still recieved messages & calls, but it was impossible to pick up... So the problem doesn't come from the impact...
Thx a lot 4 your help !

Have you connected all connectors?
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SMillerNL said:
Have you connected all connectors?
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I think so, but i'm going to re-open it and check every connector, do you know wich ones are in charge of the radio part ?

Did you pick out the sim? If not try to take it out and put it back in..
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Yes, but it doesn't seems to be the problem...
I also noticed that I recieved yesterday 10smses @ once, but didn had enough time to see any signal...

when taking apart devices you should take pictures of it so you can backtrack when re-assembling it.
http://www.ifixit.com/Teardown/Nexus+4+Teardown/11781

Yes, but given that i recieved messages, I assume that it's only something not enough clenched...
Do you know what is the aim of the white cable next to the battery by the way ?

Problème solved, the coaxial cable was the problem
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Related

[Q] Wife bricked Nexus 4, what can I do with it?

So my wife dropped her Nexus 4 in the toilet bowl and then proceeded to try and call someone to see if it worked. When it shut off, she tried charging it. Things that people say you should not do. I took off the back, disconnected the battery, and tried the rice treatment for 72 hours. Tried charging it and get the red LED. Does not look good and have pretty much accepted that it is bricked. My questions is, what can I do with it? Does Google have a buyback program for broken devices? Does anyone else? Or is it just a paper-weight? Thanks.
Edit..nvm ignore, I didn't read your post properly.
Worst case, you could probably sell some replacement parts off it... since she did call someone, obviously screen is OK...
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Try disconnecting and reconnecting the battery maybe that will help, you can try to get a free phone from Google, I did that with my galaxy s 2. Just say you don't know what happened you tried turn on the phone and it didn't work. I am sure they would exchange and usually they are too lazy to open up the phone to see if anything is wrong inside.
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aanonymoushuman said:
Try disconnecting and reconnecting the battery maybe that will help, you can try to get a free phone from Google, I did that with my galaxy s 2. Just say you don't know what happened you tried turn on the phone and it didn't work. I am sure they would exchange and usually they are too lazy to open up the phone to see if anything is wrong inside.
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This is fraud and illegal and I'm sure not encourage on xda
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parts !!
Call up google, tell them the truth and see if they would be willing to repair. When this happened to me with apple they just charged me $100 to get a new one, not bad considering the screw up was completely my fault.
Call and see what you can do. If you can't do anything buy a nexus 4 that needs a new screen and use yours to repair it. Could find one cheap with a busted screen. Is the back or any part damaged?
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Sell the parts that are still functional on eBay, I'm sure somebody could find some use for them.
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Next time do the rice treatment from the start. Turning the phone on immediately will most likely cause permanent damage
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just kidding.. but RMA your wife and buy a new N4:laugh:
Fully take it apart and wipe each part down with alcohol I read where it worked for some guy
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[Q] Will Google RMA if screen was replaced?

I replaced my screen. And now I am experiencing problems with battery life, and in need of an RMA. My question is how closely does Google look at the device that are shipped back, will they notice that the screen was replaced? I also forgot to put back the blue tab that was connecting the battery and holding the antenna down in place. Will they take the phone apart and find out I had disasebmled it? Also there is a small gap at the bottom between the bezel and the left screw. I think its due to one of the clips not connecting correctly. I could probably fix all those things but I lost my T6 screw driver, so should I worry about any of those things?
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Not sure how picky Google is, but I sent a MyTouch slide into T-Mobile with the screen replaced, they noticed. I have no idea how, I put it all back together. I also recently sent my Nexus 4 in to Asurion for a replacement, the screen went wacky and I opened it to see if it was a loose connection. They didn't notice that.
Honestly you won't know until you try.
Wisefire said:
Not sure how picky Google is, but I sent a MyTouch slide into T-Mobile with the screen replaced, they noticed. I have no idea how, I put it all back together. I also recently sent my Nexus 4 in to Asurion for a replacement, the screen went wacky and I opened it to see if it was a loose connection. They didn't notice that.
Honestly you won't know until you try.
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Thank you for that answer that's why I would like to know if anyone has already tried this
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Anyone??
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Help me
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[Q] My nexus 4 power button is spoilt

Guys my nexus 4 power button got spoilt .. half the time it just doesnt do anything,sometimes it just unlocks the phone and locks it back again even with one tap .. Only some times it unlocks it properly .. please tell me what should i do? THe phone is just one month old and it is under warranty.. can i get this repaired under warranty? give me sugesstions please.
zerohunk said:
Guys my nexus 4 power button got spoilt .. half the time it just doesnt do anything,sometimes it just unlocks the phone and locks it back again even with one tap .. Only some times it unlocks it properly .. please tell me what should i do? THe phone is just one month old and it is under warranty.. can i get this repaired under warranty? give me sugesstions please.
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same problem is here too.. the power button was working after i updated to 4.3 but later it doesnot work. how do I restart my phone?? any please!!
Try getting it repaired via warranty.
The power button does not use ribbon cables what so ever like most of the parts of the phone also using some golden square electronic pad so it should be cheap but if you don't want to risk anything then warranty is your option.
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andyabc said:
Try getting it repaired via warranty.
The power button does not use ribbon cables what so ever like most of the parts of the phone also using some golden square electronic pad so it should be cheap but if you don't want to risk anything then warranty is your option.
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You got any idea how much lg charges to get it repaired? or is it done free of charge? Coz i am worried that they would say that the problem is because of wear and tear or something
zerohunk said:
You got any idea how much lg charges to get it repaired? or is it done free of charge? Coz i am worried that they would say that the problem is because of wear and tear or something
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If the device is under warranty then it would be free.
If you opened it up then there could be a risk that they may find out.
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Tree a àqq1
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jason_streak said:
Tree a àqq1
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?
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andyabc said:
If the device is under warranty then it would be free.
If you opened it up then there could be a risk that they may find out.
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seems like the button is getting better now... it happened only 2-3 times today .. should i wait for 1 week or something and then give it for rma or shud i give it right away? maybe the problem will go away if i wait for a week o somethin :/ .. what say?
zerohunk said:
seems like the button is getting better now... it happened only 2-3 times today .. should i wait for 1 week or something and then give it for rma or shud i give it right away? maybe the problem will go away if i wait for a week o somethin :/ .. what say?
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Yeah let it have a chance.
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Install auto screen on and auto screen off.
Works very well for unlocking and locking.
To reboot you need root so you can create a toggle that reboots.
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Vaetheran2107 said:
Install auto screen on and auto screen off.
Works very well for unlocking and locking.
To reboot you need root so you can create a toggle that reboots.
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but all dis drains battery .. and moreover i dont want to root my device as yet
could this happen because something is wrong with the files in the keychars folder?
If it's get worse and you're still under warranty then you should bring it to LG, don't try to do it yourself you may mess up something and void the warranty. I did the same to my phone and they fixed it for free, the button is working perfectly fine now.
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Bottom screen not responding well

So I have this weird issue. The very bottom of my screen does not respond well! At first I thought it was a bug with the navigation bar, tried several roms and tried PIE controls until I figured that there is something wrong. I have the navbar now set at 48 dpi and I have to press at middle of it to work, where the very bottom is dead. I activated 360 rotation so that my statusbar now is at the bottom of the screen instead of navbar and it does not respond at all! Anyone can explain ?
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Anyone please ?
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Ensifolk said:
Anyone please ?
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I think you should try a clean flash.. I never had such problem... about you
From when this problem has been started? please share more information so that we can help you..
Rohit02 said:
I think you should try a clean flash.. I never had such problem... about you
From when this problem has been started? please share more information so that we can help you..
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I have Tried like lots of different roms with clean fresh installation and the problem is still there ! I think its a hardware problem. For ezample right now if I set my navbar to 32 dpi it wont respond at all because the bottom of my screen have lost the touch sensitivity. I have droppes my phone several times, could that be it ? I cant really remember when I exactly started noticing the issue...but just few days ago...I have tried PIE and same **** :s I have to set the trigger area to max for it to respond...and yes im talking about experiments after a clean install before installing ANY third party app
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Ensifolk said:
I have Tried like lots of different roms with clean fresh installation and the problem is still there ! I think its a hardware problem. For ezample right now if I set my navbar to 32 dpi it wont respond at all because the bottom of my screen have lost the touch sensitivity. I have droppes my phone several times, could that be it ? I cant really remember when I exactly started noticing the issue...but just few days ago...I have tried PIE and same **** :s I have to set the trigger area to max for it to respond...and yes im talking about experiments after a clean install before installing ANY third party app
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okays... Now I think it surely a hardware problem,as you said you havr also dropped your phone several times.. All the best goto the service centre for the repair.. dont tell them that you have dropped your phone else they will charge you badly even if you are under warranty.. You are welcome..
Rohit02 said:
okays... Now I think it surely a hardware problem,as you said you havr also dropped your phone several times.. All the best goto the service centre for the repair.. dont tell them that you have dropped your phone else they will charge you badly even if you are under warranty.. You are welcome..
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Think Im gonna give no damn about it and of course buy the nexus 5, which I would have done either way..but im surprised how can a touchscreen lose a part of its sensitivity somewhere on the screen ?
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If you look closely at your screen at an angle with the screen off you will be able to see the digitizer matrix that is fused to the screen.
It is a series of squares.
Each of them squares has 3 horizontal lines and one vertical.
Behind the bezel there will be the circuitry that connects every horizontal and vertical line
If say for instance after one of your phone drops it has damaged one of the connectors at the side, you will lose the entire row of touch detection. Which is probably what has happened
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Ensifolk said:
Think Im gonna give no damn about it and of course buy the nexus 5, which I would have done either way..but im surprised how can a touchscreen lose a part of its sensitivity somewhere on the screen ?
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Alex240188 said:
If you look closely at your screen at an angle with the screen off you will be able to see the digitizer matrix that is fused to the screen.
It is a series of squares.
Each of them squares has 3 horizontal lines and one vertical.
Behind the bezel there will be the circuitry that connects every horizontal and vertical line
If say for instance after one of your phone drops it has damaged one of the connectors at the side, you will lose the entire row of touch detection. Which is probably what has happened
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Alex is right i had this happen to my moto defy. I'd say get it done under warrnty no matter if youre keeping or selling. Improve your resale value and protect you from having the entire digitizer die on you

Who do I call to get an RMA?

Hey all, I wanted to ask a couple questions.
1. Is the headphone jack under warranty by Google? Like, one side stopped working.
2. Who do I call/email to get an RMA
3. Are RMA'd phones bad/do they have any problems? One thing I like, don't know if this makes a difference, but in the CPU bin, my phone is "fastest". Don't know if that actually means anything, so yeah.
Thanks!
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Oh, and also, should I restore to stock before sending it in?
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Tanmaynarang said:
Hey all, I wanted to ask a couple questions.
1. Is the headphone jack under warranty by Google? Like, one side stopped working.
2. Who do I call/email to get an RMA
3. Are RMA'd phones bad/do they have any problems? One thing I like, don't know if this makes a difference, but in the CPU bin, my phone is "fastest". Don't know if that actually means anything, so yeah.
Thanks!
Sent from my Nexus 4 using XDA Premium 4 mobile app
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What do you mean one side of the headphone jack stopped working? You only have one headphone jack.
You have to call Google to request a RMA. I don't think the phone you get will be a defect. That would be counter productive. The CPU bin won't matter. They most likely won't check to see what CPU bin on the phone that will be replaced for you. You should factory reset your phone before sending it in. They might give you a new phone/refurbished device.
Like, one side of the headphones stopped working, also, what's their number? I can't find it o.o
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Tanmaynarang said:
Like, one side of the headphones stopped working, also, what's their number? I can't find it o.o
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It sure doesn't sound like it's the headphone jack. It sounds like the headphones are broken.
Have you tried a different set of headphones?
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Try different headset...
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I have. Trust me. Its broken
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Same here
This exact problem happened to me as well, Not so long ago...
Maybe about a week ago at most. My left ear cup is gone but my right ear cup is still working perfectly.
I think it's the contact between the jack and the plug. I'm sending it in next week for a replacement.
I've had my N4 for 9 months until this happened lol
Let me know how it goes!
You ain't the only one.
(855) 836-3987
You have a Google Nexus 4 why not just search google for their number... LOL The phone is under warranty for a year so check when you got it or they will let you know when you speak to them but its not like the new one is expensive at all. How did you get the phone through web or off somebody
Call Google if you bought from Google or call LG if bought from somewhere else(i.e. T-Mobile). And when i was on the phone with Google a week or so ago for an RMA, they said it would most likely end up being a refurb. device.

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