Ghosting effect - G4 Q&A, Help & Troubleshooting

Since when I updated to cm13 I started noticing like a ghosting effect on screen. Whenever a white thing is displayed on screen right after removing it a reddish shadow of it appears and is persistent for a while. Does anyone else noticed it? Any way of fising it?
Thanks in advance
Enviado desde mi LG-H815 mediante Tapatalk

Yes, me. Looking for a replacement from LG

I've noticed it too. Is it a hardware or software problem?

Go back to stock rom and see if you can reproduce the effect. If you can't then its probably a cm issue.

Related

D855 back camera is crashing all the time

Hi guys. My back camera has become pretty much unusable lately since most of the times it crashes any app using it. It must be a hardware issue since front camera is working fine. I tried clearing camera's app data etc like I saw in other posts online but it didn't work. I was thinking that this might have something to do with laser auto focus but I didn't find any way to disable it. Any ideas?
Sent from my LG-D855 using Tapatalk
i think it may be your Rom ... did u upgrade your Rom ?? becoz my camera work on Kiatakt 4.4.2 and when i upgrade to v6.0 then it crash ...
I have stock 6.0 too but I not sure whether the problems started when I upgraded to MM. Did anyone else get camera issues when they upgraded?
Sent from my LG-D855 using Tapatalk
You can try factory resetting your phone. I know it's a pain, but I've heard for some this fixes issues with the marshmallow update. It might be worth trying that first before you assume it's a hardware issue.
I have also camera problems after upgrade to MM. First with camera app crashes and now the back camera is not detected; when i open camera app, it opens front camera and its not possible to choose back camera. Also flash app doesn't work. I already sent my G3 twice for service repair but problem was not solved.. i will try to downgrade to 5.0 and if the problem persists, will send again phone for repair
zebreu said:
I have also camera problems after upgrade to MM. First with camera app crashes and now the back camera is not detected; when i open camera app, it opens front camera and its not possible to choose back camera. Also flash app doesn't work. I already sent my G3 twice for service repair but problem was not solved.. i will try to downgrade to 5.0 and if the problem persists, will send again phone for repair
Click to expand...
Click to collapse
Hey man, did you solve the problem with the downgrade?
Chiri2230 said:
Hey man, did you solve the problem with the downgrade?
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Click to collapse
Hi. I didn't downgraded... I sent it again to lg service repair again for the 3rd time. Waiting for the phone at 15 days.
Enviado do meu LG-V500 através de Tapatalk
Just received the phone. This time they put a new motherboard, so new imei and s/n. Let's see if it is solved now.. I hope
Enviado do meu LG-V500 através de Tapatalk
zebreu said:
Just received the phone. This time they put a new motherboard, so new imei and s/n. Let's see if it is solved now.. I hope
Enviado do meu LG-V500 através de Tapatalk
Click to expand...
Click to collapse
I'm experiencing your same issue right now. Rear camera suddenly seems not to exist. Phone got no hurst, no strange mods or tweaks. Completely random. Please tell me if something changes in your case. Could you tell me how much did repair service cost?
edoardotavecchio said:
I'm experiencing your same issue right now. Rear camera suddenly seems not to exist. Phone got no hurst, no strange mods or tweaks. Completely random. Please tell me if something changes in your case. Could you tell me how much did repair service cost?
Click to expand...
Click to collapse
My LG now is working well! I didn't pay nothing because warranty is still active... but a new motherboard is not cheap, i suppose

Strange bugs

Hello,
Ive got a problem with my LG G4.
Sometimes my screen gets black, little short time. In that moment statusbar and navbar are hiding. Its really short
My keyboard closes itself
If I start camera, that blackscreen happens. Camera restarts. Than works normal
LG Health force closes.
Does someone else also have that problem?
I checked already running apps, there is nothing strange
Regards Yener
I think I have this too, if I understand you. I don't know if it's hardware or software issue. It's not always present.
Inviato dal mio Nexus 7 utilizzando Tapatalk
I may have had the screen blanking once or twice.. not with the camera, just random.

Screen glitches at low brightness

At a quarter of screen brightness, I notice lines start appearing when I scroll through pages or when I type. It's very noticeable on white background. Restarting or factory reset didn't solve the issue. I will be getting a replacement tomorrow.
Anyone else has this issue?
I do not see such issue as described.
Sent from my SAMSUNG-SM-N930A using Tapatalk
chetdroid said:
At a quarter of screen brightness, I notice lines start appearing when I scroll through pages or when I type. It's very noticeable on white background. Restarting or factory reset didn't solve the issue. I will be getting a replacement tomorrow.
Anyone else has this issue?
Click to expand...
Click to collapse
I've seen this on a few S7e before, what you see is real!
Sent from my SM-N930F using XDA-Developers mobile app
No problems woth my screen, 930F mexico
sounds like the same issue with the S7E

Anyone else's performance tank after November patch?

Just updated after putting it off after a few days, everything is sluggish and feels terrible.
Very laggy.
Before, everything was perfect.
Anyone else?
fcc323 said:
Just updated after putting it off after a few days, everything is sluggish and feels terrible.
Very laggy.
Before, everything was perfect.
Anyone else?
Click to expand...
Click to collapse
Same here. Also random reboots and non-responsive screen...thinking about contacting Google
Enviado desde mi MI 5 mediante Tapatalk
Verdera11 said:
Same here. Also random reboots and non-responsive screen...thinking about contacting Google
Enviado desde mi MI 5 mediante Tapatalk
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I realized it only happened under 50%, never happened to me before. Seems to be a common problem. I enrolled in beta, and I'll see if that fixes the problem. I saw that replacements are having the same problem, so there's no use.
Its the update. Same situation, a lot of lag
fcc323 said:
I realized it only happened under 50%, never happened to me before. Seems to be a common problem. I enrolled in beta, and I'll see if that fixes the problem. I saw that replacements are having the same problem, so there's no use.
Click to expand...
Click to collapse
fcc323 said:
Just updated after putting it off after a few days, everything is sluggish and feels terrible.
Very laggy.
Before, everything was perfect.
Anyone else?
Click to expand...
Click to collapse
Seems to be new DP2 update for our devices since today https://www.xda-developers.com/andr...ve-for-nexus-6p-nexus-5x-nexus-9-and-pixel-c/
Let's try
Glad to see (well not really...sucks to have random issues) other than my wife's tablet...its been driving her nuts lately with it getting laggy and all the random reboots. I was tempted to sign up for the beta OTA but I don't want to hear it from here when something else doesn't work.
For those who tried or are part of the OTA beta program, has the random rebooting be corrected?
Sent from my Pixel C using Tapatalk
VDoubleUVR6 said:
Glad to see (well not really...sucks to have random issues) other than my wife's tablet...its been driving her nuts lately with it getting laggy and all the random reboots. I was tempted to sign up for the beta OTA but I don't want to hear it from here when something else doesn't work.
For those who tried or are part of the OTA beta program, has the random rebooting be corrected?
Sent from my Pixel C using Tapatalk
Click to expand...
Click to collapse
You could always flash the October image. The only downside is the constant, non-dismissable notification that a System Update is Available.
Sent from my Pixel C using Tapatalk
pkelly517 said:
You could always flash the October image. The only downside is the constant, non-dismissable notification that a System Update is Available.
Sent from my Pixel C using Tapatalk
Click to expand...
Click to collapse
I could but I've been doing a little testing and have disabled Bluetooth on the tablet and it seems to be OK...as in not randomly rebooting.
I'll wait patiently for the next patch in hopes that Google corrects the standing issues.
Sent from my VS995 using Tapatalk
fcc323 said:
I realized it only happened under 50%, never happened to me before. Seems to be a common problem. I enrolled in beta, and I'll see if that fixes the problem. I saw that replacements are having the same problem, so there's no use.
Click to expand...
Click to collapse
Hi I have the same issue with 7.1.2 and even 8.0, when the battery reachs 60-50% it starts lagging very bad
I have never tried with marshmallow since I have it from just one month i'm going crazy because of this problem I've tried everything custom kernel decryption but it's always the same I'm going to try marshmallow to see if there will be differences,I hope so , did you solved?

Left speaker sounds very loose

Hi, I do not know if it is that I have broken the left speaker or is that comes from factory to make it sound lazy.
Enviado desde mi ALE-L21 mediante Tapatalk
Mine has the same problem. I guess it was a stock of tablets with this problem. It is not annoying since I'm running a custom rom and edited the sound to work as it should.
The back of these Galaxy tabs remove surprisingly easily e.g. without breaking. Guitar picks help to start popping the fasteners. Search on youtube to see how that's done - you may even come across your particular issue with a relatively easy fix.

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