Dead Lumia 520, screen is damaged, help needed. - Nokia Lumia 520 Questions & Answers

I have obtained a water damaged Lumia 520. I opened it up and dried it while also clearing any oxidation from the various contact points. The phone displayed the bolt+gear icon on screen but the screen kept flashing and fading. I figured the phone needed the firmware to be reflashed so I downloaded the software recovery tool and it detected the phone and flashed the firmware without error. Then the phone actually worked albeit with a black screen, I could hear the little noises and stuff so it was working under the black screen. I figured that maybe the screen could be salvaged by cleaning the contacts and letting it dry up completely, but after I put the phone together it wouldn't work anymore at all, it basically turns on for a few seconds and turns itself off. The software recovery finds it and I can reflash the firmware but it still doesn't work. I tried checking all the internal connectors but now there doesn't seem to be any way to make it work even with the dead screen.
Is there something I need to touch on screen to make it work? I never had a Windows Phone so I don't really know and I can't see the screen. And do you geniuses know what might be wrong with it and how can I tell if it's just the LCD that has been killed by the water or if the motherboad might be FUBAR as well? What could be causing it to turn off after a few seconds? The battery is definitely not dead as I left it to charge for a long time.

Actually I just managed to "fix" it. The screen comes on after I cleaned the contacts and messed with it a bit, it just looks really bad and it's full of line but I can see what's on screen and use the phone. My issue now is that the bolt+gear icon appears at every reboot and doesn't go away. The only way I have to boot the phone normally is to hold camera and volume down after I reboot it. What does this mean? Other than that the phone seems to be working perfectly once it actually boots.

I just managed to bring it back to life completely. Screen contacts were water damaged but I managed to get them working again and now the screen is perfect. It kept getting stuck on the bolt+gear icon after every reboot because the volume+ button was stuck but I managed to unstuck it and now the phone is perfect. So yeah if you have a flashing screen after water damage check the contacts, if your phone doesn't boot and keeps getting stuck on that icon try to unstuck the volume+ button.

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Stuck at tricolour screen after visit to the toilet..

Hi,
A coworker of mine dropped her Diamond 2 in the toilet. True story!
Anyway, since it was brand new she dried it up and if you switch it on now you get to the tricolor screen. I tried attaching it to my pc, and the text at the bottom changed from serial to USB. I now thought I might have a chance to salvage the phone by trying to flash the original rom. owever, even if everything seems to have worked out fine during flashing, the screen (when ready flashing) turned blank only to go back to the tricolor screen again.
Any one have any idea on what to try next? Is it bricked for good?
The screen shows no sign of water damage whatsoever.
Regards -
/Ballista
BallistaSlim said:
Hi,
A coworker of mine dropped her Diamond 2 in the toilet. True story!
Anyway, since it was brand new she dried it up and if you switch it on now you get to the tricolor screen. I tried attaching it to my pc, and the text at the bottom changed from serial to USB. I now thought I might have a chance to salvage the phone by trying to flash the original rom. owever, even if everything seems to have worked out fine during flashing, the screen (when ready flashing) turned blank only to go back to the tricolor screen again.
Any one have any idea on what to try next? Is it bricked for good?
The screen shows no sign of water damage whatsoever.
Regards -
/Ballista
Click to expand...
Click to collapse
The best thing to do in these situations is to immediately pull the battery and put into a bag of rice to absorb all of the moisture before putting power to the unit thus risking a short circuit.
You may still have water shorting out your hardware keys and its putting the phone into bootloader mode.
My wife put her phone on the kitchen counter, well, it got completely wet. In addition to using rice, I put the rice and the phone in one of the vacuum bags and pulled vacuum, left it in for 2 or 3 days and the phone worked and functioned 100%. 6 months later, still up and running.
Thanks for the answers. I think it is as dried up as it can be though. She have dried it with rice etc. Is there any tip on what to do from the tricolour screen?
Hi,
I maybe didn't understand when the screen goes blank, but since the situation looks pretty desperate why not try to install latest HSPL, it's still a flashing procedure and should end up succesfully if you don't have any hardware damage. If HSPL flashing works, you'll be able to flash any ROM you like, official ones included. Since the device is not yours sorry for the silly question: you have WMDC installed on your pc ,don't you?
The screen goes blank after the bar goes up to 100% on the telephone. I have WMDC installed, but I cant get it to connect to the phone, so installing HSPL will be a problem or?
Edit: Doublepost
If you can't connect to WMDC you can't flash anything,I'm afraid...Any chance to flash by putting the ROM image into the SDcard? Problem is that official ROMs come in .exe format while flash procedure via SDcard needs the ROM image to be in .nbh format..I'm sorry, I'm stuck.
You most probably have a hardware problem, probably a button stuck. Try pressing volume up down repeatedly for example 30 times then try to turn on the device. If that doesn't work you will have to disassemble and dry off your device and check for a shortcircuit or some resistivity in the volume down area. Even if you dry your device on the outside, some water still remains on the inside (I know since I'm an electrician).
Sorry for posting in here - my issue is with an opal but it sounds like a very similar issue.
I tried to clean out the stylus holder on my opal with some washing up liquid on a cotton tip bud. Nothing happened at the time, but some washing up liquid must have got into the phone, as the next time I went back to it seemed to be bricked. I didn't know how to deal with washing up liquid so I disassembled the phone and put it into the freezer to see if that would get me anywhere. I didn't think rice would be much use at absorbing washing up liquid. Anyway, a few cycles in the freezer followed by a cold blast with the hair dyer seemed to have the phone able to get to the bootloader, and able to hard reset.
This is where I am now. Hard resets only get as far as displaying:
ONBL 1.27.000
SPL 1.27.000
GSM 03.29.90
with the 'smart mobility' splash below. That's it - after about 5 seconds the phone turns off. I can keep performing hard resets in this loop, and I can also get the phone into the bootloader 'tri-colour' screen where it shows
ONBL 1.27.000
SPL 1.27.000 (all in the red bar)
and then 'F256' in the green bar
the white bar will change from USB to SERIAL as appropriate.
I thought I'd cracked it when I downloaded the stock ROM from htc, and it seemed to run succesfully. However, once it got to 100% it turned itself off again and I was still only able to either unsuccessfully hard reset, or get to the bootloader screen. I've tried installing the stock ROM through an SD card too, and it seems to work again, but same result. I suspect the phone is a brick now, and there must be hardware damage somewhere important. Any ideas appreciated though.
BallistaSlim said:
A coworker of mine dropped her Diamond 2 in the toilet. True story!
Click to expand...
Click to collapse
It might need re-flushing. hahah

[Q] Screen won't turn on

I was at Tafe today and I was just browsing through G+ with the phone flat on the desk and the screen turned off. I pressed the power button expecting it to switch back on but since then it hasn't turned on. It was on 90% but I've tried charging it and it still won't turn on. It turns on and off (i can tell by the notification LED) and when it's on it still rings when someone calls, but the screen just won't turn. There's no backlight either.
I've tried holding the power button for 5 and 10 seconds, and a minute, and still nothing. What else can I try?
Would reflashing be worth a try? Or is that even possible without a screen?
It may be bricked softwared.don't know know.but it looks like your software messed up,and there is easy way to reflash it without touchscreen,just look around in google by typing " LG G2 D8XX kdz flash procedure,download same software and reflash it by puttin phone to download mode(combination of the keys)
are you the original owner of this phone? or have you replaced the lcd assembly before? its possible the ribbon cable is not seated correctly. but if youre the original owner, and you have never opened it, im guessing your LCD just went out.

Water Damage - Restarts, Stuck on "Powered by Android" screen

Hello i have a question regarding my recently water damaged galaxy grand prime (rather not discuss how it got wet) but the top portion of my phone got submerged. I immediately removed the battery and vacuumed out water for a few minutes, tested it to see if it would power on (i know, too soon. So stupid) and to my dismay the camera flashed upon the battery touching the connectors inside the phone so im guessing something shorted there. I proceeded to let it sit in rice for the day but i dont have much patience and was missing using my device with cm12.1 flashed and kept checking it every 4-5 hours or so. So at the end of the day i took it out the bag of rice, powered it on, and everything was functioning as it should, besides a little screen flickering which has disappeared entirely now. But here and there and random times im not using my phone, it will restart and get stuck on the "Samsung Galaxy Grand Prime Powered By Android" screen. It wont make it to the boot animation or even go into recovery, but it will boot download mode. So after pulling the battery a dozen times i finally get it to boot again and i go into recovery and try repairing the system with TWRP repair or replace file system option thinking it could probably help. But to this point my phone still restarts by itself and gets stuck on the logo screen here and there and i have to fight it to boot system. Could somebody please help me out here? I hope it isnt a hardware failure and just some software corruption i can fix by factory resetting and re-flashing the rom. Any help is highly appreciated. Oh and i forgot to mention my camera definitely shorted somewhere only the rear works and if i try to switch to front it cant connect. This happens in snapchat and the cameranextmod cyanogen camera. My stock one stopped entirely.
If your phone got submerged, i'm afraid it'll damage the hardware, sorry bro, you'll have to let it go

Damaged screen causes reboot, eventually gets stuck in boot loop

Hello, so I have a J7 2017 (SM-J730GM/DS) 32 GB Unlocked Dual SIM which has served me well for a while. I ended up dropping the phone at some point in a sliver of time without a case and the screen cracked. After replacing the screen I noticed if the screen was pressed in a certain area it would go crazy and reboot the phone (crazy as in the pixels would do weird things like dimming, going grainy, like the display shorted in some area, then the phone would reboot itself), probably some error on my installation of the screen and the ribbon cables (I can see an area where it looks creased, it never sat flush with the body of the phone as the OEM screen did). I was able to just be careful and not trigger the reboot for some good time until it happened again and the phone would continuously reboot, allowing me to only get back to the OS through the boot menu, selecting "reboot now". That worked for a while until it would never boot into the OS, just looping at the screen where it says the phone name, where it would vibrate, go black, and go back to the phone name screen. I gave up trying to fix it, as I had a backup phone, and just now had some ideas. I figure the OS is corrupted in some way, I am no master in knowing the details on how phone boots up and such, so I did some research and successfully flashed the most recent ROM onto the phone using Odin 3.14. It still doesn't stop the looping, unfortunately.
Any ideas? I hear people talking about using TWRP or something to do things boot related, but I don't want to possibly mess anything up further nor do I know what they were talking about.
Thanks,
Stella

TMobile S8 works fine, except the screen won't turn on

My brothers TMobile S8 screen randomly stopped working. It has no signs of damage anywhere as well. Weirdly, I managed to get the screen to go on one time by pressing some button combos to try to follow a guide to get it into recovery to factory reset it. Upon the phone booting, the battery had 3% and when I went to show him, it was dead. Now after letting it charge, the screen does not work once again and I can't seem to get it to come on in the same way it did before, the bright blue recovery screen.
Is there any software I can use to just attach the phone to it and factory reset it? I mean, I've seen bad phone screens before that have still had images show up on them, even if heavily damaged physically or it no longer responding to touch and showing dim lights. But this one simply doesn't turn on, except the one random time it did, and it was perfectly fine, showed no sign of damage. Any thoughts would be greatly helpful
Is the battery known to be good?
If not replace it. The system will not boot if there's not enough current. It takes a fair amount of power to boot up. A charger can't provide enough to do so...
It boots up fine, I can hear the initial TMobile boot audio as well as the notification sound the phone makes when it gets to the lock screen. I also had it stop charging @80% not too long after buying the phone on release, with some custom ROM I installed. Ofc its a possibility its battery related, since I can't see anything on it, but it was taken care than the average person I am sure
With a custom rom all bets are off. Makes troubleshooting much harder. Possible rootkit.
Firmware and malware aside if it's booting but no display, possible loose ribbon connector, failed display or mobo. That's assuming the battery is good...
Well I did disable/uninstall Superuser from the phone, and I used it for a couple years before giving it to my brother to use. That is a good point about the cable, I will search for images, maybe I can squeeze a few spots to just see what happens
moccor said:
Well I did disable/uninstall Superuser from the phone, and I used it for a couple years before giving it to my brother to use. That is a good point about the cable, I will search for images, maybe I can squeeze a few spots to just see what happens
Click to expand...
Click to collapse
Sometimes just reseting a connector is all it takes. Those are low voltage lines and a perfect contact is needed.
If the battery is more then 2-3 yo it's probably at the end of its usable service life.
Thanks for the input, I will open it up if nothing else works and I will report back if it helps

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