Hi
I've got i9505 device. It isn't turning on anymore. This phone worked okey, but it fell many times. Display is quite shattered. But it stopped working not directly by a fall. What is strange plugging it to PC results with lack of detecion. Charging diode is not lit. I bought a new battery, but it didn't help. Any ideas? The phone was never modded in any way. It is on stock firmware
Sounds like some component inside has failed after being dropped many times.
quite obvious ;p
i thought about some software issue maybe?
also i thought about power button or usb port issue - i once changed this port like half a year ago, cause it was broken
Related
Hi.
Yesterday my phone stopped recognising the earphones/speakers when plugged in ?! It doesn't show the "headphones" icon any more, and even on full volume I can here sound/music only on the left speaker/earphone very silently. I've tried 2 different headphones, 2 different speakers as well ... ale same results.
Is there a way how to determine whether it's firmware/software issue or hardware ???
Thank you in advance.
P.S. : what I did prior to noticing this problem - we have a new sound system in our school that has two places for connection. We were using one of them, but couldn't use the another one, because of lacking cable. Once the cable arrived and we connected the cable to the system - I've tried whether it's working with my phone. It played the sound only in the way, that I've described. So we have tried it with an Iphone (the same results) and later PC, which played the sound correctly. I'm still waiting for response from the Iphone owner, whether he has the same problem - but could the cable/system caused the fault ??? Do you think, that my phone would get damaged by "some current" ???
From what you say, it seems to be an hardware problem. To test this, you can perform a factory reset and if the problem persists it's definitively an hardware problem.
one possibility is you got dust/lint in the earphone socket. the cover broke off on my defy, and i occasionally have to pull some lint out using a toothpick
I've checked that as well, but couldn't see anything there. Well never mind now...I've sold the Defy and bought a new one. Such a great phone deserves that everything is running as it should
Thank you for your help.
Sent from my MB526 using xda premium
Galaxy S4 I purchased brand new, probably about 6 months ago. I managed to shut it in the door of my truck, and broke the lcd about a month ago. Got the lcd and glass replaced at a repair shop, and it worked fine up until two days ago. Phone was mysteriously off. Upon turning it on the screen filled up with green fuzz. Turned it off, and it wouldn't turn on until several tries later, when it worked perfectly fine for 5 minutes. Tried again, graphical gltiches like bars of fuzz etc and the phone wouldn't fully boot.
I brought it back to repair store, they tried a new screen in my phone, which worked for about 5 minutes until it shut off and wont turn again. The screens work fine in other S4's. They've looked at the port etc and say there is no damage. The phone has no water damage.
I've had a liquid smooth rom running on the phone fine for 6 months. They claim it's bricked because of my rom suddenly crapping out or something. But this seems like a hardware issue to me.
Anyone have a similar problem ever? Any way to diagnose? I can't get the phone to power on to factory reset it. :/
Thinking of buying a S4 with broken lcd to harvest the mobo out of.
Is this really a firmware problem?
I'm sure the rom didn't do it. Sounds like hardware to me
Sent from my Nexus 5
That's what I was thinking... So if the motherboards hooped there's no saving it?
Try getting a recovery jig to see if it will boot to recovery that way. If not, it either will most likely need a jtag or the hardware is shot.
So I have an issue with a 2012 N7, warranty is long gone. I've tried all suggestions from billykxda's thread, but no luck thus far. I've also tried Google's official page on the topic as well.
I've left the device charging for many consecutive hours, both via AC power and USB, and I suspect my issue resides with the LCD screen. Also tried a hard battery pull. It's also important to note that I haven't undertaken any mods on the device at all, i.e. the bootloader is still locked and USB debugging is not enabled yet.
When I plug the device into my PC the Win7 driver notification bubble pops up, usually reporting either an Unknown Device or an "APX drivers not installed" message. I'm unable to get it to boot into Fastboot, Recovery, or Android OS. Plugging/unplugging the device via USB yields these driver messages over and over again, along with the Win7 sound notification, so the device isn't totally dead, but no amount of button combinations or 30-60+ second button holds are getting any response.
Has anyone else experienced these issues before? Do you think my device is totally dead?
AvidPhisherman said:
Has anyone else experienced these issues before?
Click to expand...
Click to collapse
Yes; I am also experiencing similar issues. Unfortunately, I have not reached a solution. I just replaced a broken screen for a friend. Once I got the screen in, I tried turning it on but didn't see anything happen. I began to research and thought I had the dead battery issue that most people get when leaving it unplugged for an extended period of time. I plugged it in using the wall adapter for a few hours, used the power+volume buttons and still didn't get any response. Finally, I decided to charge it with my PC. The PC recognized something was plugged in, installed drivers, and now I have a Nexus 7 in my connected devices list. While connected to my PC, I hold power+volume down and hear the USB disconnect, reconnect, and have an unrecognizable device attached. This leads me to believe that the Nexus 7 is working properly and the screen is not working. I have taken the entire device apart to re-seat all connections 3 different times and still cannot get it to work. I hope someone can shed some light on our issues!
Edit: I forgot to mention, I also tested the battery with a digital multimeter. It reads approximately 3.79 volts DC. I thought it may be important to state this in case the issue is battery related. I'm not certain what the correct value should be for it to work properly.
I am currently trying to diagnose this problem. Yesterday, I hopped on Craigslist and bought a working Nexus 7 for 50$. I am currently taking it apart to rob parts from it and figure out where the problem is. So far I have tested the battery. The battery reads approximately 3.78 volts DC so I can probably rule this out as my problem.
Also, I noticed something strange yesterday. I took the broken Nexus with me when I went to meet up with the man selling the used/working Nexus. While I was outside in very bright sunlight, I pushed the power button on the broken Nexus. I noticed that I could actually see the screen doing something. It was all fuzzy and had lines running every where, but you could in fact see it doing something. I think the replacement screen I received is bad, but I won't know until I start swapping parts.
AvidPhisherman, for now maybe try taking your Nexus out in very bright sunlight and see if you can see the screen do anything when you press the power button. Also, I'm not trying to hijack the thread. It seems that we have very similar issues. I hope to find something that fixes both of our problems.
Success.... kinda. I tried combining the broken Nexus 7 motherboard with the working Nexus 7 screen but it wouldn't fit since one is the 3G model, and the other is the Wifi only model. Next, I put everything back together on the broken N7, but this time I used the LCD ribbon cable from the good N7. Success!!! It powered up, and I can see the screen. My problem now, is that the screen is mostly unresponsive and acts like you are touching it in random spots, when you're not touching it at all. I'm taking it apart to re-seat the connections... again.
__redfox__ said:
Success.... kinda. I tried combining the broken Nexus 7 motherboard with the working Nexus 7 screen but it wouldn't fit since one is the 3G model, and the other is the Wifi only model. Next, I put everything back together on the broken N7, but this time I used the LCD ribbon cable from the good N7. Success!!! It powered up, and I can see the screen. My problem now, is that the screen is mostly unresponsive and acts like you are touching it in random spots, when you're not touching it at all. I'm taking it apart to re-seat the connections... again.
Click to expand...
Click to collapse
Hey redfox thanks for taking in interest in this! You're not hijacking the thread, your posts are very helpful. Good to know I'm not the only one experiencing these issues.
I'm just a hobbyist with an interest in fixing things, although I don't have much experience with DIY fixing. I didn't have a chance to try turning the screen on under direct sunlight, but yesterday I took both my non-working Nexus 7s (the first one I mentioned in my OP, the second one just has a bad/hollowed out USB port) in to a repair shop for a free diagnosis. I'm actually a business user, my company owns the tablets but I'm responsible for maintenance/tech troubleshooting.
Please keep me posted with updates as to how your progress is going. I'll post again once I get a report from the repair shop re: my issues.
Hi,
I have been having the same problem,
I bought my wife a used Nexus 7 and it worked just fine for almost a year then all of the sudden the screen would not function
there would be lines going through it but it remain dark.
thank you for researching the matter i will try to buy the part online and see if i can get it to work now!
if i understand it correctly there is no need for a new mother board but just a new LCD ribbon cable?
godnessy said:
Hi,
I have been having the same problem,
I bought my wife a used Nexus 7 and it worked just fine for almost a year then all of the sudden the screen would not function
there would be lines going through it but it remain dark.
thank you for researching the matter i will try to buy the part online and see if i can get it to work now!
if i understand it correctly there is no need for a new mother board but just a new LCD ribbon cable?
Click to expand...
Click to collapse
I cannot guarantee that it will fix your screen, but it is possible. When I had this one out in the sun, it did the same thing. The screen was super dark, and I could see crazy lines. Hopefully a new ribbon/cable will fix your problem. They are only a few dollars on Amazon.com
godnessy said:
Hi,
I have been having the same problem,
I bought my wife a used Nexus 7 and it worked just fine for almost a year then all of the sudden the screen would not function
there would be lines going through it but it remain dark.
thank you for researching the matter i will try to buy the part online and see if i can get it to work now!
if i understand it correctly there is no need for a new mother board but just a new LCD ribbon cable?
Click to expand...
Click to collapse
__redfox__ said:
I cannot guarantee that it will fix your screen, but it is possible. When I had this one out in the sun, it did the same thing. The screen was super dark, and I could see crazy lines. Hopefully a new ribbon/cable will fix your problem. They are only a few dollars on Amazon.com
Click to expand...
Click to collapse
Hello fellow users! Quick update, I finally heard back from the repair shop.
Bad news - they tried swapping out the screen, then the battery, USB charging port, display cables, etc. etc. and nothing worked. Their diagnosis is that the tablet has a fried motherboard, and they're unable to repair and/or replace it
Good news - it cost me nothing to receive this diagnosis
Hopefully the outlook is not so grim for your respective N7s. Just wanted to post an update as to what I learned from this whole experience.
Hi guys, Reporting in.
Toke a while but i got the part AND found the stupid device!
After ALOT of fiddling, taking apart and putting back again i found out that the problem was the battery!
it looks like it was on its last leg and that caused all the strange screen stuff.
I dont have another battery to replace it so instead i hooked it up straight to a USB cable and into the socket and it works just fine
thanks for the tips and hopefully this helps someone else!
Hello everyone.
My LG G2 ran pretty great for past 3 years and then, few days ago, I finally broken it display. I've disconnected it from motherboard and decided to use it as HTPC for my TV. I've bought slimport cable and after connecting it to my TV, I've realised that G2 acts kind of strange. Everything works fine as before, but WHOLE system runs like 2FPS, or even slower. Any action takes about 3-4 seconds to perform. Besides that nothing's wrong. GPS, Camera, calling, Wifi, opening various apps or games - everything works and phone isn't even hot. I have clean CloudyG2 3.3. Can it be due to lack of display? Some kind of 'safe mode' in which phone runs right now? I don't want to throw it into the rubbish.
Any kind of help would be appreciated. Sorry for bad English.
Bump. Any ideas?
I have the same issue. It was also present when the shattered display was connected to the motherboard (LCD connectors were damaged as well).
I've tried connecting the phone using SlimPort adapter, but also screen mirroring to PC (Windows 7 + Google Chrome + Vysor).
The issue is present on both stock rom (D80230b) and CyanogenMod 13 rom (20160720-NIGHTLY).
dmesg:
Code:
https://www .dropbox. com/s/y2xzcxu6nx5yg88/dmesg.log?dl=0
logcat:
Code:
https://www .dropbox. com/s/2ejdt0qgrthfjj6/logcat.log?dl=0
I'm glad that someone had the same issue and can provide more informations. Still looking forward for solution.
Bump.
Bump. Still trying to solve that problem. I believe someone will need help in next few years having the same situation as above
G2 still laying in drawer waiting for solution
Hi,
i bought a factory refurbished I9600F from aliexpress. It worked great for 3 days, then the phone became slow to respond, the screen was flickering in yellow-green tones, and then wouldn't come back on but stay black. (but I would still get notification sounds for incoming messages, the notification LED was still working, and the menu keys also light up when I press home/power).
Pulling the battery fixed the issue once, but the problem came back after 1 hour.
I managed to revive the phone once more by pulling the battery and holding the power button to drain all remaining power in the device. The phone was working again for a few hours, but now it's back to having a black screen and even the power drain method doesn't work anymore...
So i'm guessing that replacing the screen won't fix the issue, since the screen is working just fine for a a while (both image and touch are perfect) - but then somehow there must be some electrical issue that causes the graphics unit to malfunction.
I checked the easily accessible connector to the left side of the battery, but it seems that the screen is mainly connected via flex cables that cannot be accessed unless you heat up your device and pry out the screen.
I have found some information on the internet that pressing hard on the spot where the flex cable connector is might fix the problem, but this didn't work for me.
FYI, I'm running the default Samsung firmware the device shipped with and used Kies + OTA update to get the latest official FW. No rooting or any other mods. Just some regular apps installed.
Any recommendation what I could try to fix this problem? Thank you all!!!
BTW, I have found similar reports on the internet here:
http://forums.androidcentral.com/samsung-galaxy-s5/405238-galaxy-s5-static-screen-won-t-turn.html
But the linked how-to-fix guide states that heating up the display assembly is only recommended on devices with a broken screen... So now I don't want to risk breaking my working screen.
So mainly my options are
a) open the device to check the flex cable connection
b) buy a new battery to see if that solves if (some people have reported success with a different battery)
c) buy a new screen assembly on aliexpress for around €135 and hope that a new screen will fix it...
Thoughts?
wutzin said:
So mainly my options are
a) open the device to check the flex cable connection
b) buy a new battery to see if that solves if (some people have reported success with a different battery)
c) buy a new screen assembly on aliexpress for around €135 and hope that a new screen will fix it...
Thoughts?
Click to expand...
Click to collapse
Hello, how did you solve this? I currently have the same problem.
gustav9797 said:
Hello, how did you solve this? I currently have the same problem.
Click to expand...
Click to collapse
sorry, i actually never was able to get this resolved. I tried removing the screen to get to the flex cable, but broke the screen because I hadn't heated up the glue enough...
Had to buy another device.
Sorry I don't have better news...
wutzin said:
sorry, i actually never was able to get this resolved. I tried removing the screen to get to the flex cable, but broke the screen because I hadn't heated up the glue enough...
Had to buy another device.
Sorry I don't have better news...
Click to expand...
Click to collapse
I'm going find out the cause for this issue. I've disassembled one device that only lights up when it is warm. If I put it in the cooler it refuses to light up for some time after that. I tried placing only the screen in the cooler, also only the phone body in the cooler, but couldn't find any difference doing this as it refuses to light up both times for a couple of minutes then it works great again.
I've ordered another device that had its screen shattered so I will try my current screen on that device.
It could be some internal hardware fault in the mobo, it could be the LCD connector having a bad connection somehow, it could be the screen assembly itself, but I will find out eventually.
I've seen many places on the internet where people say this is a software issue. There is a very simple answer to that question. How could it be a software issue if not even the boot logo shows up when you start the phone?
I will keep this thread updated.
Verified that this is a problem with the motherboard. What circuit on the motherboard could have problems with cold temperatures? The main power one? If so, I will try replacing it with a different one.
Update: Was not able to fix it. Motherboard is now scrap.