[Q] Fingerprint sensor - Galaxy S6 Q&A, Help & Troubleshooting

I have my device unlocked, not coded - european version. It was all good no problems with anything.
Just last night i went to sleep and when I woke up in the morning I noticed this error on my S6:
"An error has occurred with the fingerprint sensor. if this message appears repeatedly, restart your device."
Clearing cache did not help. Nor dit the factory reset...
Tried running fingerprint test by typing *#0*# on the phone app but it stopped with no result so I guess there must be something wrong with the fingerpring scanner.
Honestly I am very dissapointed and must admit that i would not expect one of the major funcionalities to stop working after less than 48 hours from buying.
Anyone else having this?

Nahemahe said:
I have my device unlocked, not coded - european version. It was all good no problems with anything.
Just last night i went to sleep and when I woke up in the morning I noticed this error on my S6:
"An error has occurred with the fingerprint sensor. if this message appears repeatedly, restart your device."
Clearing cache did not help. Nor dit the factory reset...
Tried running fingerprint test by typing *#0*# on the phone app but it stopped with no result so I guess there must be something wrong with the fingerpring scanner.
Honestly I am very dissapointed and must admit that i would not expect one of the major funcionalities to stop working after less than 48 hours from buying.
Anyone else having this?
Click to expand...
Click to collapse
I've just started getting this too. Mine is 11 days old. Did you figure out if it is a hardware or software problem?

MrPez said:
I've just started getting this too. Mine is 11 days old. Did you figure out if it is a hardware or software problem?
Click to expand...
Click to collapse
Kind of.
Apparently some of the SGS6 units are faulty and have loose home button or not well clipped or anyhow you describe it.
So its a hardware problem. They should repair it by replacing the front screen, glass and home button or just give you another phone.
Give it to the warranty.
Today I am very dissapointed in SGS6, would not buy it another time. It is not that spectacular at all.
Better wait for Note 5 or choose another brand.
Cheerz

Nahemahe said:
Kind of.
Apparently some of the SGS6 units are faulty and have loose home button or not well clipped or anyhow you describe it.
So its a hardware problem. They should repair it by replacing the front screen, glass and home button or just give you another phone.
Give it to the warranty.
Today I am very dissapointed in SGS6, would not buy it another time. It is not that spectacular at all.
Better wait for Note 5 or choose another brand.
Cheerz
Click to expand...
Click to collapse
Thanks for the info. Must say, I share your view. The phone looks nice but thats about the best thing I can say about it at the minute!
I'll speak to Samsung in the morning and see what they say.

Sometimes it happens to me too but its very rare and I just have to unlock the phone via password and then the sensor restarts working. I dont think (hope) its a hardware issue.

Well mine is not working for a month now. Not a single time. So its hardware believe me.
I will give it to warranty when possible.
Yours apparently is software issue, or even hardware but not that serious.

I spoke with samsung and was told it is a known issue that they can deal with under warranty. Fortunately mine presented quick enough that I'm getting a replacement from EE.

I had the same issue of sporadically not working. Replaced the phone (warranty). Have the exact same issue on the new phone. Guess I'll exchange yet again. Very frustrating.

Related

Not happy with my Raphael

I am sorry to say, but I am not happy with my new phone !
Some serious problems with it.
1. sometimes when I push the powerbutton nothing hapens, and actualy I can see the phone is fuctioning (round button is flashing for new mail). After a few seconds I get the "famous" grey screen. Reboot is the only option.
2. sometimes I wake up and the phone has boot (I guess) somewhere in the night, because I have to give my accescode for the sim.
3. the "broken glass" isue is a problem and happens twice now
Think these are not small problems for a "Pro" phone.
Right now I don't have a riable and solid phone, and I think a pro phone should be that way .
Hope this things are fixed soon.
I wonder if this is a difference in roms or if you should return your touch pro. I've beating the hell out of my phone software wise to see how it will run and i haven't had a single problem yet. I haven't been charging it via the wall charger so maybe that has something to do with it but i doubt it.
Send it back! At least try that once, if you get the same problem again then either you are very unlucky, or there is a problem with all batches. I haven't had either of those problems once and got the phone the day it came out.
I only see one or two people complaining about these issues.
Steve
steveoidm said:
Send it back! At least try that once, if you get the same problem again then either you are very unlucky, or there is a problem with all batches. I haven't had either of those problems once and got the phone the day it came out.
I only see one or two people complaining about these issues.
Steve
Click to expand...
Click to collapse
I am thinking about it, to send it back. But I still hope it is a rom problem, like Bxsteeze said. Flashing another rom could help. Soon that is possible I will try.
If it doesn't help I send it back.(forgive my my English )
TBH i would do it the other way around. If flashing the ROM doesn't help because of a hardware fault and you have flashed another ROM, chances are you may not get the replacement you want.
especially as Olinex haven't finished the SPL Downgrader yet.....
DONT send it back ffs!!
We have just got HardSPL for the thing so you can actually try any ROM you wish, surely its worth the little hassle trying that first?!
I had the same "broken glass" like screen issue only once also when sitting overnight, but it wasn´t charging at all.
I have several other issue´s but it think it´s ROM related, and if it´s not i´m gonna send mine back aswel.
I've had issues 2 and 3 happen to me.
A couple of times now when trying to wake the device from an overnight charge in the morning I get no response, device locked. Soft reset and all is well.
Regarding the broken glass thing, that's definitely a software issue. Its TF3D having a spaz. If you disable it and then re-enable it, all is well.
Check out the issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
and here:
http://forum.xda-developers.com/showthread.php?t=420700
Hey if anyone doesn't want their Raphael. You could give it to me.
hardSPL ? Let the party begin
Problems
Hi,
Four problems i found so far.
First the broken glass effect. When the phone is ringing and i turn it on his screen the ringing stops and the 3dflo breaks. Or the screen turns grey.
Problem 2 After it restarts i get an device.exe issue.
Problem 3 volume of normal calling is very low. In a noisy room it is hard to understand the caller.
Problem 4 During a call several hick-ups. Also when the signal strength is max.
For know. It is a nice smartphone but some things need improvement.
Can I remind people there is an issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
I know a couple of pages got a bit OT about touch sensitive buttons etc but its back on track now. Log your issues in there guys so we can try and help each other better.
Syphon Filter said:
Can I remind people there is an issues thread here:
http://forum.xda-developers.com/showthread.php?t=418150
I know a couple of pages got a bit OT about touch sensitive buttons etc but its back on track now. Log your issues in there guys so we can try and help each other better.
Click to expand...
Click to collapse
And dont forget to add the info to the wiki.
My Touch Pro has had the 'wake up' problem (either refuses to without soft reset or shows me frizzed up screen), has frozen on me during basic setup (following a hard reset) and has given me several spontaneous resets.
It also keeps forgetting my wi-fi network exists.
I feel safe in saying that I have a faulty one, so I'm asking for a replacement.

Fingerprint scanner not working!

So just now my fingerprint scanner stopped working.
It was fine an hour ago and now it won't recognize my finger. I have to unlock it with the passcode.
I've tried adding a new finger and when it asks to press my finger down, I do so and will lift it off to put it on again but it will say lift your finger for like 4 - 5 seconds as if it doesn't realize I took my finger off until 4 - 5 seconds later.
I've done a reboot a few times and same thing. I really don't want to do a hard reset but might be my next step.
Anyone else experiencing this? Or have suggestions?
jzero88 said:
So just now my fingerprint scanner stopped working.
It was fine an hour ago and now it won't recognize my finger. I have to unlock it with the passcode.
I've tried adding a new finger and when it asks to press my finger down, I do so and will lift it off to put it on again but it will say lift your finger for like 4 - 5 seconds as if it doesn't realize I took my finger off until 4 - 5 seconds later.
I've done a reboot a few times and same thing. I really don't want to do a hard reset but might be my next step.
Anyone else experiencing this? Or have suggestions?
Click to expand...
Click to collapse
Mine just started doing this tonight. I have no idea what's causing it, but I really don't wanna do a hard reset.
It's the weirdest thing, and really bothering me since it's a security feature.....
I'm still holding off for now but if I can fix it by the end of tonight I will do a hard reset.
If THAT doesn't work I'll be marching right into Tmobile tomorrow first thing and won't be leaving without a brand new phone!
Did a factory reset.
I was able to add a new fingerprint but there is now a huge delay before unlocking the phone.
F**king pissing me off. $600+ phone giving me crap like this.
Replacing tomorrow
Can't add another fingerprint now. I get this error, can anyone point me in the right dorection?
Galaxy s6 fingerprint not working
After initial set up of my Galaxy S6 my fingerprint worked briefly then failed to match since. Deleted the fingerprint and added three different fingers prints and still no resolve. I returned the first phone to T Mobile and they exchanged for a second device. Exactly the same issue. Since the phone is so new, not alot of posts are made addressing this issue. Will be calling Samsung next. If anyone has a fix, please post.
Damn sorry to hear. Tmobile overnighting a new one today. Hopefully my new one doesn't have this issue, I'm ALMOST tempted to return completely if this is going to be a issue. This is BS
Same issue with mine!!
I'm returning this phone now
Funny thing mine was having the same issue and it's starting to work again. Still slow but will unlock, not sure what is going on
Which version are you using? As I know, there was an update on Friday lastweek.
jzero88 said:
Same issue with mine!!
I'm returning this phone now
Click to expand...
Click to collapse
Hey a friend just told me he got the same problem
just that he doesnt remmber the pin code
any idea what to do?
I have started to develop this issue since today morning. I have the latest update from Samsung too. It works once in a while but this is not good enough. Not sure whether to return the phone over this.
UPDATE - I deleted the existing finger prints and then redone them again. It works but only at a certain angle and not as efficiently as it was the last couple of days.
mareen77 said:
I have started to develop this issue since today morning. I have the latest update from Samsung too. It works once in a while but this is not good enough. Not sure whether to return the phone over this.
UPDATE - I deleted the existing finger prints and then redone them again. It works but only at a certain angle and not as efficiently as it was the last couple of days.
Click to expand...
Click to collapse
I had the same issue. After tinkering around for a bit, the scanner seems to function fine when power saving mode is turned off. YMMV.
Mine is doing the same thing. I don't think this is a hardware issue though so you probably won't see much difference with getting a new phone or a hard reset even. At this point it's wait until a patch / new firmware is released that resolves the issue or play around with the settings to if something is conflicting with the scanner process.
While I do not have the non recognition issue, it is definitely very slow to unlock. Sometimes takes a full 2-3 second to register and unlock. Can even scan the finger pull it off and will take a couple seconds to unlock, so it seems more of a processing/software issue.
Mine has now developed this issue as well. Was hit or miss for about a day, now it doesn't work at all. In fact, if I press the power botton and the lock screen comes on for a second or so and now unlocks itself. I've tried adding new fingerprints and messing around with the settings, but nothing seems to work. I noticed when looking at the list of fingerprints, one would periodically flash blue. I went in to add a new fingerprint and before I could even start, I noticed a fingerprint starting to register. So I sat and watched and sure enough, an entire fingerprint would go through and register without me placing a finger on the key. I tried cleaning the home key thinking it could be reading a dirty or left over print, but no such luck. Bad deal here. I love this phone, but whatever this issue is is complete garbage. It's almost like its registering its own prints...
Just curious. If you're having these issues is your phone rooted and or do you have apps frozen/removed. Thanks
I'm running pure stock...including TW
I was just under my 14 days so I went ahead and returned my s6 this morning. Sprint gave me a new unit that I haven't had time to test out, but hoping this issue isn't going to plague these devices. I'll update if there are further issues.
Same issue here. Really frustrating!

Fingerprint Scanner Does Not Work [Clean&Dry Msg]

Ever since i got my T Mobile Galaxy S6 Delivered a couple of days ago, the finger print scanner does not work.
It keep displaying the message :
"Make sure that the home key is clean and dry, then try again"
Here is a video of the problem: https://vid.me/aHjp
I bought the phone on Swappa, and the seller claims it never got wet.
I've tried searching for similar issues but have no found anything like it... any thoughts?
I just did a hard reset and still the same issue.
Anyone with any insight please?
Make sure there isn't a protective strip on the button. Peel it off. Had one like that, felt the fool...
It's probably on the way to not working. Mine said that a few times and now always gives me the fingerprint sensor error message.
Hard reset hasn't fixed it.
It's a common issue. Happened to me as well, now it's not working
davebugyi said:
It's a common issue. Happened to me as well, now it's not working
Click to expand...
Click to collapse
So what is Samsung doing about it? Can we all submit complaints to them in a common place so they do something.
Should I send it in as a warranty repair?
Crisisx1 said:
Should I send it in as a warranty repair?
Click to expand...
Click to collapse
I would. I switched to an iphone 6s+ and i'm sending my S6 to Samsung for work. The fingerprint sensor stopped working and it has a serious hardware issue with the wifi. I only hope they don't blame their **** product's problems on the crack in the back glass.
So my fingerprint scanner started working ...out of no where.
I ran the test under #*0#*
And it says failed... but it works. For now
Weird
it happened again
tip : when I put my finger on home screen , the message vanishes as it read my fingerprint
it's a software issue after updating my fw
now what?
Samsung galaxy note 5 fingerprint scanner not working after factory reset
I also got the same issue. Everything was working fine and i factory reset the phone to clear storage space. After the reset when i tried to set my fingerprint the scanner stopped working and started giving the same dry and clean message. I have realized that the phone doesn't even tries to read the fingerprint and anyways gives the clean and dry message even if i don't touch my finger on the sensor. I think that Samsung is doing this on purpose. I think that we all should get together in this forum and we should try to contact Samsung about this issue. The have to do something about. Thanks
Sinankhan.official said:
I also got the same issue. Everything was working fine and i factory reset the phone to clear storage space. After the reset when i tried to set my fingerprint the scanner stopped working and started giving the same dry and clean message. I have realized that the phone doesn't even tries to read the fingerprint and anyways gives the clean and dry message even if i don't touch my finger on the sensor. I think that Samsung is doing this on purpose. I think that we all should get together in this forum and we should try to contact Samsung about this issue. The have to do something about. Thanks
Click to expand...
Click to collapse
Well .. finally the issue just got resolved by just replacing the home button at a local repair shop which cost me arround 7$

Green and purplish screen?

This is what my son's One Plus 7pro screen looked like one morning. No physical damage just unreadable display. I hooked up a HDMI cable to a monitor and it displays fine so it's not software. Touches are responsive and I have called customer support with no solution. I did a factory reset and it still had the issue so definitely not software related. Didn't use the phone for about three days and now it's working fine. Am I going to have this issue again? Anyone heard of this problem with a purple and greenish display?
Probably something wrong with the LCD or LCD cable
Looks like screen burn-in to me.
CurlyApple said:
Looks like screen burn-in to me.
Click to expand...
Click to collapse
It's less than a month old and the images changes just can't make crap out
jhnsn283 said:
It's less than a month old and the images changes just can't make crap out
Click to expand...
Click to collapse
In that case it's probably a faulty ribbon cable or something similar, can't see much more from what info we have
(Also, do ask if he had left the display on for a long time, maybe overnight, on high brightness. If so, it's a burnt screen.)
jhnsn283 said:
It's less than a month old and the images changes just can't make crap out
Click to expand...
Click to collapse
I think the network has been replaced by a new machine if it is in warranty
jhnsn283 said:
This is what my son's One Plus 7pro screen looked like one morning. No physical damage just unreadable display. I hooked up a HDMI cable to a monitor and it displays fine so it's not software. Touches are responsive and I have called customer support with no solution. I did a factory reset and it still had the issue so definitely not software related. Didn't use the phone for about three days and now it's working fine. Am I going to have this issue again? Anyone heard of this problem with a purple and greenish display?
Click to expand...
Click to collapse
Heya, I have the exact same issue with my One Plus 7t Pro. The screen looks exactly like that and is perfectly responsive (except the fingerprint reader can't recognise my finger) but unusable due to the discolouration. Did you ever discover what the issue was? Did you send it off for repair?
xcalator said:
Heya, I have the exact same issue with my One Plus 7t Pro. The screen looks exactly like that and is perfectly responsive (except the fingerprint reader can't recognise my finger) but unusable due to the discolouration. Did you ever discover what the issue was? Did you send it off for repair?
Click to expand...
Click to collapse
One Plus customer service said they would repair but I couldn't get a ticket created because I bought it through Sprint. Weird loop of going back and forth through both companies. I did a factory reset and the issue didn't fix but twice it fixed itself. The first didn't last too long before the problem came back. The second time it just fixed itself and has been working fine since. My son was sleeping with it at not listening to music and I think it was a heat issue. After factory resetting it and turning it off, I let it sit there for about a day then when I powered it back on, everything was fine. Has been working great ever since. I make sure he doesn't have it on his bed at night anymore. My guess is it's heat or too much pressure on the screen. No way of figuring it out. Not sure if that info will help you or not. I would contact one plus support.
jhnsn283 said:
One Plus customer service said they would repair but I couldn't get a ticket created because I bought it through Sprint. Weird loop of going back and forth through both companies. I did a factory reset and the issue didn't fix but twice it fixed itself. The first didn't last too long before the problem came back. The second time it just fixed itself and has been working fine since. My son was sleeping with it at not listening to music and I think it was a heat issue. After factory resetting it and turning it off, I let it sit there for about a day then when I powered it back on, everything was fine. Has been working great ever since. I make sure he doesn't have it on his bed at night anymore. My guess is it's heat or too much pressure on the screen. No way of figuring it out. Not sure if that info will help you or not. I would contact one plus support.
Click to expand...
Click to collapse
Heya,
Thanks for getting back to me quickly. I also purchased through a third party, so I have contacted them regarding repairs. Did your son mention anything regarding water damage or was this not a concern? I'm feeling a little more confident that it is repairable, cause it looks pretty scary!
I thought about water damage he did have it in the bathroom while taking a hot shower.

Question Screen Flicker During Unlock

Every time I unlock my screen, whether it's with the fingerprint or pattern, the screen will flicker for half a second. Super annoying because it's a bright white flash.
It's not face unlock assistive lighting, as I've ensured that is turned off.
I've also tried every display setting possible, toggling things like vision comfort, comfort tone, refresh rates, display calibrations, changing wallpaper, and so on.
Really hoping this isn't a hardware issue because I'm also noticing my touches don't register all the time, unless I'm pressing the screen slightly harder. Not sure if it's my screen protector but I am left a bit concerned.
Any ideas? I've Googled this a bit and I've noticed others have the same issue but on OnePlus 6 devices for the most part, not the 9 series. If anyone has run into this before and knows a fix, I'd love to hear it, thanks!
That's how the fingerprint works. It increases the screen brightness to the max usually. It's the flaw of using that kind of fingerprint rather than sonic like Samsung. Believe it takes a picture of your fingerprint and compares vs ultrasonic gets a 3D image, the difference is in speed too, optical is faster, but ultrasonic technically more secure and does not rely on lightning conditions. I personally prefer the hardware on the back kind over both.
zymphad said:
That's how the fingerprint works. It increases the screen brightness to the max usually. It's the flaw of using that kind of fingerprint rather than sonic like Samsung. I personally prefer the hardware on the back kind.
Click to expand...
Click to collapse
I don't remember it being this prominent on my previous OnePlus devices, though. My 8 Pro did not flicker as aggressively as this one does. It's enough for me to clearly notice it, even in brighter areas; this is why I've been left with a bit more concern than usual.
Not to mention this occurs even if I use my pattern to unlock.
Not sure. Mine does the same but doesn't bother me in the least bit. If it happened at other times other than unlock would be different story.
zymphad said:
Not sure. Mine does the same but doesn't bother me in the least bit. If it happened at other times other than unlock would be different story.
Click to expand...
Click to collapse
Any chance you could try and make a video of it happening on your device? I just want to see if it's the same thing as mine. That way, I'll have a better idea of this being a defect or normal behaviour.
I know, it's kind a big ask so no rush! If you ever have time. I can do the same if anyone needs to see what I am talking about exactly.
Update:
I've noticed the issue occurs only if the lock screen is showing. If ambient display is on and the fingerprint icon shows at the bottom then the device will unlock without flickering. The fact that it's happening only when the screen is on at the lock screen, is what's making me feel like maybe it's not a hardware problem. Very odd issue...
Another update,
After doing more Googling I came to the conclusion that it's a hardware issue over software. I tried to factory reset and the issue was still present.
I couldn't update the software on the phone though. It kept telling me that there was an installation problem. I'm guessing that's because I had previously used a rooted EU boot img and a factory reset through the phone settings isn't enough to get rid of that. I'm hoping the repair center won't fault me for sending the device back with an unlocked bootloader. Doesn't seem like OnePlus would do that anyway, given how open they are with the modding community.
Once I receive the replacement of test to see if the issue was still there and will update this thread.
rickysidhu_ said:
Another update,
After doing more Googling I came to the conclusion that it's a hardware issue over software. I tried to factory reset and the issue was still present.
I couldn't update the software on the phone though. It kept telling me that there was an installation problem. I'm guessing that's because I had previously used a rooted EU boot img and a factory reset through the phone settings isn't enough to get rid of that. I'm hoping the repair center won't fault me for sending the device back with an unlocked bootloader. Doesn't seem like OnePlus would do that anyway, given how open they are with the modding community.
Once I receive the replacement of test to see if the issue was still there and will update this thread.
Click to expand...
Click to collapse
One time I sent them bricked device and they still accepted the return. Returning unlocked bootloader phone shouldn't be a problem.
What made you think it was hardware since I see other people have the same thing. Hell I had it too. I don't seem to have that problem after updating to latest firmware. Seems to be software to me.
Hope it gets fixed. I saw a thread for it on OnePlus community forum, so hopefully OnePlus knows.
rickysidhu_ said:
I'm hoping the repair center won't fault me for sending the device back with an unlocked bootloader. Doesn't seem like OnePlus would do that anyway, given how open they are with the modding community.
Click to expand...
Click to collapse
When I sent the phone away for trade in there was no mention of rooting or bootloader unlock. Just wipe it.of your info and data.
zymphad said:
What made you think it was hardware since I see other people have the same thing. Hell I had it too. I don't seem to have that problem after updating to latest firmware. Seems to be software to me.
Hope it gets fixed. I saw a thread for it on OnePlus community forum, so hopefully OnePlus knows.
Click to expand...
Click to collapse
Thinking it's hardware because my 8 Pro doesn't literally cause a white flash of the entire screen, it would just up the brightness which is normal.
And I was also noticing my touches only registered on more firm presses. Made me think it could have been a bad display panel.
Didn't want to take any chances especially while inside the 15 day return/replacement window.
rickysidhu_ said:
Thinking it's hardware because my 8 Pro doesn't literally cause a white flash of the entire screen, it would just up the brightness which is normal.
And I was also noticing my touches only registered on more firm presses. Made me think it could have been a bad display panel.
Didn't want to take any chances especially while inside the 15 day return/replacement window.
Click to expand...
Click to collapse
Yeah good plan.
It absolutely does NOT do that on mine. Only the fingerprint area gets bright, not the entire screen.
NotTheGiant said:
It absolutely does NOT do that on mine. Only the fingerprint area gets bright, not the entire screen.
Click to expand...
Click to collapse
+1 on the 9Pro
According to the OnePlus support section of the site, the progress shows as "Inspected". I assume the next step is shipping out a replacement. Hopefully it's soon, will post an update on the new unit.
Thanks for letting me know you guys aren't experiencing the issue, makes me feel good about my decision of sending it back. Almost didn't do it because I didn't want to come back to this Pixel 5 after being spoiled by that 9's screen size lol.
Got the replacement today, after some testing it seems like this unit has no issues! There is a clear difference between this one and my original. There was a blinding white flash even when using my pattern to unlock. Same thing when double tapping the lock screen to put the device to sleep.
This has no white flashes so definitely seems like a hardware issue. Finally, I can start enjoying this thing!
rickysidhu_ said:
Got the replacement today, after some testing it seems like this unit has no issues! There is a clear difference between this one and my original. There was a blinding white flash even when using my pattern to unlock. Same thing when double tapping the lock screen to put the device to sleep.
This has no white flashes so definitely seems like a hardware issue. Finally, I can start enjoying this thing!
Click to expand...
Click to collapse
Awesome, glad you got a good one! They didn't make you wait too long...
rickysidhu_ said:
Got the replacement today, after some testing it seems like this unit has no issues! There is a clear difference between this one and my original. There was a blinding white flash even when using my pattern to unlock. Same thing when double tapping the lock screen to put the device to sleep.
This has no white flashes so definitely seems like a hardware issue. Finally, I can start enjoying this thing!
Click to expand...
Click to collapse
How bro it can be a hardware issue.. it's only happens on low brightness when you unlock the phone right?I am also facing the same issue but it is not there where I unboxed the phone and used it for 1day after receiving update to os 11.2.7.7only this problem starts to me..so how can it be a hardware issue
Bodhidharman said:
How bro it can be a hardware issue.. it's only happens on low brightness when you unlock the phone right?I am also facing the same issue but it is not there where I unboxed the phone and used it for 1day after receiving update to os 11.2.7.7only this problem starts to me..so how can it be a hardware issue
Click to expand...
Click to collapse
No it happened on any brightness. It was just more noticeable in low brightness and reading through the same issue on OP forums, others were confirming it is hardware related as a complete factory reset isn't able to resolve the issue. If it was software related, a complete restore would have/should have fixed it. Your issue might be different from what I was experiencing.

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