[Q] Having trouble with a replacement screen - AT&T Samsung Galaxy S II Skyrocket SGH-I727

After doing some research here I decided to try to repair my skyrocket screen myself but I am not finding myself as successful as other members here. I can turn on my phone and it appears as if the touchscreen is still working due to the vibrations, but there is no image. After messing around with the phon it seems as if there are only certain instances in which the screen will show an image. It will briefly show an image of a white battery charging when plugged in while the phone is off. It will also display an image (an extremely distorted one however) when put into download mode. Does anyone here have any ideas as to what the cause of these problems are? Could my replacement screen be defective?

If its still distorted one of 2 things happened either one you botched the ribbon cable when installing or 2 the screen is defective take a pic it can be easier for others to determine that way
Sent from my SAMSUNG-SGH-I727 using xda premium

One of the images is a my phone in download mode. Sorry for the bad quality (my best camera was my phone). If you look closely the warning text is barely visible. When I first go into download mode the screen is first filled with blue pixels until it brightens to the greyish color shown in the picture.
The other is a picture of the screen/digitizer removed. It seems that the ribbon is still intact, but maybe it was damaged in another way.
What do you think would be the best course of action? I should be able to get the screen exchanged for another one, but I'm worried that perhaps the screen is not the thing causing the problem.

I would try another screen first because if the ribbon was in fact damaged you wouldnt have distorted faint Screen like that honestly that would be my choice the screens aren't hard to swap very simple in fact I do this at work at least twice a day if another screen doesn't fix man I'll definitely taken it in
Sent from my SAMSUNG-SGH-I727 using xda premium

Related

dead backlight and possible backup solution

hello GS3'ers my brother has some gs3 problems
his gs3's back light appears to have died out. he can still use the phone just can't see what is going on, the sounds still work and everything. has anyone come across this before? i told him to hold a flashlight to the screen so he's able to backup his pictures and what not but the screen is really black. which is his main concern right now, because he wants save his things and then return the phone if he has to.
any help is much appreciated, thanks!
My understanding of the GS3 is that since it is an AMOLED screen, it does not have a backlight. Each individual pixel emits light. My guess would be an app is causing the problem, possibly one that alters screen brightness. I would start by pulling the battery and restart the phone. If you see a boot animation, your screen's not dead.
Sent from my SCH-I535 using xda premium
that makes sense because the flashlight thing didn't work. he restarts his phone and even the boot logo is happening during a pitch black screen but the sound could be heard. it's gotta be something more serious
Sent from my DROID X2 using Tapatalk 2

[Q] Do I Need A New LCD?

Hello.
My wife's T-Mo Sensation 4G started having screen troubles a couple of weeks ago. The screen basically wouldn't turn on, and if you unseated the battery and stuck it back in, you'd see backlight bleed, particularly in the lower left corner, before even turning it on. After some fiddling, the screen sort of came back, first with some vertical banding, and then more normally. Sometimes it looks blotchy, and it almost always flickers, even if auto-brightness is off and set to high. It varies between looking washed out and overly-contrasty. At least once it went black looking like a blob was migrating across the screen.
It went out again last night and is sort of back now, but with the same set of problems. I disassembled and re-seated the LCD cable on the motherboard, but still the same.
Does this sound like an LCD/backlight problem, or something else? If it is likely the LCD, I'd buy a preassembled digitizer/LCD and replace it. If it sounds like something in the system, I'd probably just get her a new phone.
Also, if it is the LCD, anyone recommend a good reseller? RepairsUniverse? Another? Thanks
ddi you try this method?
http://forum.xda-developers.com/showthread.php?t=1239238
rzr86 said:
ddi you try this method?
http://forum.xda-developers.com/showthread.php?t=1239238
Click to expand...
Click to collapse
Fiddled with that thing once, but no, not really. I'll see if I can't rule that out or in. Thanks.
Odd, though, that I never have that problem with my Amaze, even with the back off completely.
JimDandy68 said:
Fiddled with that thing once, but no, not really. I'll see if I can't rule that out or in. Thanks.
Odd, though, that I never have that problem with my Amaze, even with the back off completely.
Click to expand...
Click to collapse
Also, note that I didn't say anything about screen unresponsiveness. All problems seem to be with the actual display (LCD) and/or backlight, not the digitizer.
I'll also try the discharge process, though.
EDIT: I'm seeing now that there's a distinct, permanent blotch extending most of the way across the middle of the screen and I still see faint vertical banding, too. This is after adjusting the grounding contact.
I guess I'm leaning toward it's a bad LCD, but still looking for feedback before I plop down the money and try that fix.
Any suggestions for LCD/digitizer supplier?
Sent from my HTC_Amaze_4G using xda app-developers app

[Q] White screen of death?

Has anyone encountered the following issues with their SHIELD?
Mine was working just fine after updating to 4.3 and rooting with CWM. I performed multiple reboots in this configuration, played games, etc. - everything was fine.
I had a pretty busy weekend so didn't touch the SHIELD at all for a few days. When I got back:
When I opened it up, I saw the screen backlight turn on but nothing displayed on the screen. The SHIELD button was glowing green.
I long-pressed the SHIELD button to turn off the device. When I turn it back on, I get a white screen that is dark around the edges (mostly vignetting around the corners). The brightness of the screen here and degree of vignetting seem to change every time I try and turn on the device.
If I enter fastboot mode via the key combo, the same thing happens - white vignetted screen. The device DOES appear to enumerate as a fastboot device on my PC in this configuration.
At one point I figured it might be due to a low battery, so plugged it into the charger. 30 minutes later, when I opened the lid, I actually came up to a launcher screen with 65% battery.
However, after closing the lid and reopening it again - black screen again, with the "white vignette of death" coming back if I reboot.
Has anyone else seen similar behavior? Searching results in no one complaining about a white screen like this, at least not on this device.
Screen of Death
This just happened to me today. Did you find a fix for this problem?
Entropy512 said:
Has anyone encountered the following issues with their SHIELD?
Mine was working just fine after updating to 4.3 and rooting with CWM. I performed multiple reboots in this configuration, played games, etc. - everything was fine.
I had a pretty busy weekend so didn't touch the SHIELD at all for a few days. When I got back:
When I opened it up, I saw the screen backlight turn on but nothing displayed on the screen. The SHIELD button was glowing green.
I long-pressed the SHIELD button to turn off the device. When I turn it back on, I get a white screen that is dark around the edges (mostly vignetting around the corners). The brightness of the screen here and degree of vignetting seem to change every time I try and turn on the device.
If I enter fastboot mode via the key combo, the same thing happens - white vignetted screen. The device DOES appear to enumerate as a fastboot device on my PC in this configuration.
At one point I figured it might be due to a low battery, so plugged it into the charger. 30 minutes later, when I opened the lid, I actually came up to a launcher screen with 65% battery.
However, after closing the lid and reopening it again - black screen again, with the "white vignette of death" coming back if I reboot.
Has anyone else seen similar behavior? Searching results in no one complaining about a white screen like this, at least not on this device.
Click to expand...
Click to collapse
Might be just bad luck for me.....
nmerc001 said:
This just happened to me today. Did you find a fix for this problem?
Click to expand...
Click to collapse
So ive already gotten two shields and they both got the same effect. my guess is the ribbon cable when you open and close the screen, is wearing off? because when i open my shield in a certain way, it works... when i open it at around 100 degrees or open correctly then tilt it forward, the screen tears and slowly shows the white screen. I do admit that i open and close the screen more than i should, but i do it carefully. Ill look over at the ifixit site to see how the cable is connected to the board.
This is what has me worried about buying a shield, the ribbon cable, did you confirmed this was the problem?
DJNinja1625 said:
So ive already gotten two shields and they both got the same effect. my guess is the ribbon cable when you open and close the screen, is wearing off? because when i open my shield in a certain way, it works... when i open it at around 100 degrees or open correctly then tilt it forward, the screen tears and slowly shows the white screen. I do admit that i open and close the screen more than i should, but i do it carefully. Ill look over at the ifixit site to see how the cable is connected to the board.
Click to expand...
Click to collapse
I am a tech by trade and bought one of ebay for 40 bucks cuz it would not power up so the guy claimed. After getting it I found the issue was actually the display was not coming on and once it did. Then went out in a few moments. Connect it to HDMI and the unit runs all day of you want to be cabled. ]
So I tore it down and found that the issue is the flex cable. The problem is that the flex cable is part of the LCD and you cannot just replace the cable. Also since the unit is so new there are no sources as of yet to by the LCD from.
So if you have this issue I suggest just holding out till a source of LCD's at hopefully a reasonable price become available.
So it's soldered to the screen and not replacable right?
nex86 said:
So it's soldered to the screen and not replacable right?
Click to expand...
Click to collapse
That is correct.. The flex cable is actually an integral part of the display and even has much of the driver circuitry placed right on it at the LCD. In the business we call it a flex circuit since it is a flexible circuit board and not just a cable.
I pretty much know what you mean.
On my old Archos Gamepad I ripped the flex that connected the left side of the controler to the logic board by accident.
It was a pain in the ass to fix it by soldering seperate wires, I guess it's impossible to do this with the display connection in the Shield.
nex86 said:
I pretty much know what you mean.
On my old Archos Gamepad I ripped the flex that connected the left side of the controler to the logic board by accident.
It was a pain in the ass to fix it by soldering seperate wires, I guess it's impossible to do this with the display connection in the Shield.
Click to expand...
Click to collapse
Might be possible if you used 32 gauge magnet wire. It is enamel coated so it won't short, but it to will break over time.
hi, flash factory image
Sent from my LT25i using XDA Free mobile app
dragxdk said:
hi, flash factory image
Sent from my LT25i using XDA Free mobile app
Click to expand...
Click to collapse
How are you supposed to flash a factory image when the screen won't let you see what you are doing? When you are in the bootloader screen the HDMI drivers are not loaded yet so not even hooking it to an external monitor will work. You might want to fully read and understand the problem next time before offering advice.:good:
fastboot tells you if you were sucessful or not.
just for relocking the bootloader you have to do some button combinations, you can look up some tutorial videos to see what you have to press.
nex86 said:
fastboot tells you if you were sucessful or not.
just for relocking the bootloader you have to do some button combinations, you can look up some tutorial videos to see what you have to press.
Click to expand...
Click to collapse
Even still, it is not a software problem that causes this. I know because if I move my display to a certain angle it will start to work sometimes. A software issue would not cause this. I also have taken my apart since I am a tech and can actually see the traces in the flex cable that have broken..
Any device with a folding display is a bad idea and a failure waiting to happen. Flex cables have a limited number of flex cycles that is even usually published. So the idea of using them in a device that may get heavy use is just dumb.
Solarenemy68 said:
Any device with a folding display is a bad idea and a failure waiting to happen. Flex cables have a limited number of flex cycles that is even usually published. So the idea of using them in a device that may get heavy use is just dumb.
Click to expand...
Click to collapse
I agree, they used flex in the Nintendo DS and 3Ds as well, but they don't break that fast.
I find it still better if they have used recular cables like what they use for Laptops.
Solarenemy68 said:
Even still, it is not a software problem that causes this. I know because if I move my display to a certain angle it will start to work sometimes. A software issue would not cause this. I also have taken my apart since I am a tech and can actually see the traces in the flex cable that have broken..
Any device with a folding display is a bad idea and a failure waiting to happen. Flex cables have a limited number of flex cycles that is even usually published. So the idea of using them in a device that may get heavy use is just dumb.
Click to expand...
Click to collapse
What you are saying is the EXACT same thing that happened to my SHIELD. I can tell its a hardware problem because when I tilted my screen it would work, and sometimes it wouldn't. Now my SHIELD's display does not even show any signs of picture. HDMI still works, however. Like one of the previous posts said, there is not a screen available for purchase, so my next step is NVIDIA customer support. Maybe if they would sell these screens, I wouldn't even have to have a warranty claim. sigh.
White screen of death?
yes mine too same as
i tried connecting my via HDMI from power cable to large HDMI to plug it works fine on my galaxy tab
thought id be clever try it on nvidia shield never worked sould of bought mini HDMI so now White screen of death
i cant get into recovery or anything i had this on charge for 12 hrs yesterday still no green button on charge only orange .. i too cant find anything on internet to help with this White screen of death situation
Solarenemy68 said:
How are you supposed to flash a factory image when the screen won't let you see what you are doing? When you are in the bootloader screen the HDMI drivers are not loaded yet so not even hooking it to an external monitor will work. You might want to fully read and understand the problem next time before offering advice.:good:
Click to expand...
Click to collapse
This. I'm having a similar issue. My wife's SHIELD has an unresponsive touch screen. So I tried to flash the factory image (It was never rooted to begin with) and I got the white screen issue when in the bootloader screen. I have to keep restarting it to get the screen to show up as normal when the device boots to the home screen. But the bootloader screen is still blank and white. I was able to watch a video and mimick the steps to flash the factory image but that did not fix the issue. It's definitely a hardware issue. I live in Cincinnati OH, anywhere I can go to have this fixed? I have a portable myself and i know this is going to happen to mine soon.

HTC One X solid red light?

When I turn my phone on after a full charge, it shows a solid red light in the LED display and I cannot see anything on the screen? What does this mean and how can I fix this? I am attempting to replace the screen/digitizer on my HTC One X, and I am positive I have connected this display correctly
Are you sure you got the correct screen? There are three different models for this phone and you must ensure you install the right one. Also, did you sync the screen?
Sent from my Evita
Well I purchased the screen off of Ebay and it states "Original OEM Assembly Full LCD Display Screen Touch Digitizer HTC One X OneX". The screen looks to be the right one upon comparison between my old one and new one. I have a telus HTC One X, which is the same as the AT&T version, I am not sure about how to find the version of the screen. I thought that they would just be compatible, otherwise I will be getting a refund. So how can you tell if the screen is the correct one?
Also I am unfamiliar with how to sync the screen. I am following a youtube video which shows you how to test the display by connecting the display. http://www.youtube.com/watch?v=OIeO0DueMcg
You can tell if the screen is the right one by the flex cable connected to it. If it is the same as the old flex cable and the same colour then you have the right screen. To sync the screen you need to remove the old screen and install the new screen while the phone is powered on.
Sent from my Evita
Ok, the cables are the same colour and everything so I think it should be fine. I disconnected the battery and the reconnected it, turned on the phone with the old damaged screen in. It started up and flashed green once briefly (this is normal), and then the LED light went solid red.
I then took the old screen out, and plugged the new one in and still had no activity.
BTW I really appreciate your help. I will definitely do my best to explain what is happening, I can even post pictures or video if necessary.
It's possible you've damaged something during the installation process. It's a bit hard to say. To be honest I'm not much more help other than what I've already posted here, that's about the extent of my knowledge when it comes to replacing the display.
Sent from my Evita
Thats ok, your input was still valuable. I think it might be a battery issue. I don't see anything immediately noticeable that I could have damaged, I was quite careful during the whole process. I bought a new battery for $10 and I will try putting that in when I get it. Before I had charged my old battery fully it was flashing red, which I read meant it was on low battery. So I charged it, and now its solid red even when the charger is not connected. I am not sure what this exactly means but hopefully if people like yourself keep posting suggestions I might just figure this out!

[Q] Screen Issue? (XT926)

I received my XT926 as a refurb and I have been experiencing a strange screen issue.
I will often have my phone on a dock, charging and sometimes I will notice the screen is black like it's off, but the touchscreen is responsive. Hitting the power button does nothing but it makes the sound as if I had locked the phone. Hitting the power button a second time will turn the screen on like normal operation.
Very rarely I have noticed the screen will turn off while I'm actually using the phone and it's a weird effect. The easiest way to describe it is that it looks like entire lines disappearing randomly over a period of 1-2 seconds, going from all visible, then to all black, kind of like slatted blinds being closed, but at random. After this, it displays the same symptoms as if I had found the screen off while in a dock/charging.
Now, I don't want to say it's related, but I first started experiencing this on the Stock KitKat update from Verizon. I am currently using Cyanogenmod 12 nightlies and I am experiencing the same issue. It seems to be happening with greater frequency.
I have also experienced the blue screen effect when certain animations/elements/apps are up on my screen, but I think they are unrelated.
Also, there is a faint discoloration bar about 2/5ths of an inch thick uniformly vertically from top to bottom of my phone on the righthand side (just under where the notification bar would be if turned horizontal).
I've tried to find more information about this but my search results have been relatively lackluster (90% of the results are trying to sell me the phone or specification pages)
So I'm breaking down and turning to here. Does anyone know what's going on here? My current theory is that my screen is going bad. I have no intention of replacing the screen on this phone (would rather just buy a new one), so any suggestions that don't involve physical hardware repairs would be appreciated.
I thought i was the only one experiencing it.
The screen turning off with a weird effect happens rarely but yeah it happens. And the blue screen effect, i noticed it only happens when im on the youtube app when the video stops working because of my connectivity issues.
Im not rooted nor is my bootloader unlocked. On the latest system version. Sounds like a software problem but hey im no expert.
kayonesoft said:
I received my XT926 as a refurb and I have been experiencing a strange screen issue.
I will often have my phone on a dock, charging and sometimes I will notice the screen is black like it's off, but the touchscreen is responsive. Hitting the power button does nothing but it makes the sound as if I had locked the phone. Hitting the power button a second time will turn the screen on like normal operation.
Very rarely I have noticed the screen will turn off while I'm actually using the phone and it's a weird effect. The easiest way to describe it is that it looks like entire lines disappearing randomly over a period of 1-2 seconds, going from all visible, then to all black, kind of like slatted blinds being closed, but at random. After this, it displays the same symptoms as if I had found the screen off while in a dock/charging.
Now, I don't want to say it's related, but I first started experiencing this on the Stock KitKat update from Verizon. I am currently using Cyanogenmod 12 nightlies and I am experiencing the same issue. It seems to be happening with greater frequency.
I have also experienced the blue screen effect when certain animations/elements/apps are up on my screen, but I think they are unrelated.
Also, there is a faint discoloration bar about 2/5ths of an inch thick uniformly vertically from top to bottom of my phone on the righthand side (just under where the notification bar would be if turned horizontal).
I've tried to find more information about this but my search results have been relatively lackluster (90% of the results are trying to sell me the phone or specification pages)
So I'm breaking down and turning to here. Does anyone know what's going on here? My current theory is that my screen is going bad. I have no intention of replacing the screen on this phone (would rather just buy a new one), so any suggestions that don't involve physical hardware repairs would be appreciated.
Click to expand...
Click to collapse
i also have this with my referb i made moto give me my money back and they let me keep the phone for me it was very rare but my new phone also had a really bad screen all yellowish and bad white balance in low light if you are unhappy with it call them and say you are unhappy with the replacement here is the white glove number 800-653-7185 they are more understanding and nice but you may lose you ability to unlock your bootloader on the new phone if it comes with the latest software just a warning
I have that screen off with lines slowly disappearing thing, too And, yeah, it's also a refurbished one, bought from one of the sellers on aliexpress... I thought Lollipop was the culprit or something like that. Oh, well... It rarely happens. And luckily I only have that, not the second issue you mentioned
I am having this exact same issue. The weird lines-to-black screen thing, and the flickering blue screen when watching video. Are you saying the solution is to call Motorola and ask for a new phone?
The blue flickering can be prevented by going into Developer Options and checking "Disable HW Overlays".
The discolored stripe on the screen sounds like burn-in; these AMOLED screens are much more susceptible to burn-in than the LCD screens used in older phones. Whomever owned the phone before it was returned to Motorola probably had something running on their screen continuously with a bright-colored bar at the top, likely in a car or desk dock. The screen is very easy to replace yourself with an eBay part, if you're inclined; it involves 2 screws and 2 connectors.
I've seen the lines-to-black thing exactly twice since I got this phone refurb two months ago. Sorry, I don't know what causes it or how to avoid it, but the workaround is quick and simple enough that I'm not worried about it, yet.

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