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Interesting Display Problem about my Note 5

Hi dear XDA members,
I have some problem about my Note 5. I bought my phone 17 days ago. It is genuine. I was walking. And weather was sunny. I opened my phone and tried to call someone. Brightness was %100 (manual). I saw, Light Sensor worked (more Brightness). And Promixity Sensor worked too. Because, I was speaking with friend. I finished my call then I looked the screen:
What the….. Screen turned a green, purple, pink, black, gray, navy blue hue. I shocked and I got screenshot, then restarted Note 5. I check the screen when restarted. It was okay. I opened the screenshot for check it too. SS was ok too. This is my 1st problem. And i didn’t see this again.
Now, a 2nd problem in same day:
I’m using Swiftkey app with gray keyboard theme. I was chatting with friend. I called him (weather was sunny again) and turned back to keyboard.
What !? Gray keyboard turned a greenish hue. And I check my wallpaper (i was gray too). Its bottom lines turned a greenish hue too. Then I restarted phone and problem finished again.
Later, I called Customer Service Representative of Samsung. I explained all problem. She told me: “Format your phone. If problem isn’t finish, bring phone to service.”
Then, I formatted phone. Tested it many time. And there is no problem for 6-7 hours. BUT… I got the problem again. But I found some interesting tips to check the problem.
1. I checked *#0*# . And everyting is okay.
2. I opened my wallpaper in “Gallery” . And bring its top line to bottom line. So, gray was gray. But wallpaper’s bottom line was greenish on desktop. So, i think this isn’t Screen Panel problem. Looks like graphic bug. (Btw, notification bar's background was greenish too.)
3. I tried to active Light Sensor without “Calls” . And there is no problem about colors. Only in “Calls” . Looks like graphic bug with “Calls”
4. I didn’t restart my Note 5 when i got the problem again. I tried to lock off / lock on. And I saw: Screen turned to normal.
So, friends.. I think i will bring phone to service for research this problem. But I’m not sure. Problem looks like software bug. OR HARDWARE ? And maybe GPU problem ? (I didn't get problem in games, apps, etc.) I’m Confused…
Please help me. Must i go to service ? Or wait for new update etc.
P.S: My English isn’t so good i think. Thanks for understanding and helps.

Is my topic visible ? I'm new in forum.

Since this is a defect in their part, it should be covered under warranty. Just send it in, it is most likely a problem with the GPU or other component if even a format didn't fix it. If it was a software bug, the problem would be more widespread. It should be free of charge though because it isn't due to your use

Brinith said:
Since this is a defect in their part, it should be covered under warranty. Just send it in, it is most likely a problem with the GPU or other component if even a format didn't fix it. If it was a software bug, the problem would be more widespread. It should be free of charge though because it isn't due to your use
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Click to collapse
Thanks for reply mate. I called customer service representative again. He told me: "If your phone is defective, we'll give you new Note 5 or you can take your money back. This is for new purchased phone (in 1 - 30 days)"
I will bring phone to service tomorrow. But I will be sad, if they tell me "it is software problem." I don't want to give my phone for nothing. But I don't have another way.
TY again.

Hi again mates !
I got the phone from service yesterday. They found nothing (very funny).
I spoke with employee :
* M = Me
* E = Employee
M: Did you open the phone's case for check the problem ?
E: No, I can't open the phone. This is risky.
M: So, How did you understand there is no problem ??
E: I think you used the phone as obsessively.
M: Wait. Did you tell me "obsession" ? I saw the problem with my eyes !
E: Mr. Cpt. Price, I mean: Don't care about it. Just use the phone. I used your phone for test. I saw nothing. You must take a video if you see problem. So, we can send it to SAMSUNG as proof.
M: You are very funny. I saw truth today. I saw Samsung's quality. Give me my phone.
So, guys I got the phone. And I'm using it with %98 brightness on a sunny day. So, there is no problem for now. I took that problem with %100 brightness on a sunny day. If i get that problem, I press lock off / on button. And problem is being finished.
I think I won't send it to service again. I won't spend my time for nothing. Sad but true: Apple is better than Samsung about satisfaction of service.
I will use the phone and if see a serious problem, i will go to service then.
I think that was a software problem or bug. What is your thought and advice ?
Regards...

Do you have any idea ?

Blair Miller said:
Since you only brought the phone 17 days ago, may be you could to change a new one in your supplier?
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Click to collapse
They told me: We need to find a problem for change the phone. So, we can show proof to Samsung.
I don't know, how is Samsung services in other countries. But in my country: Samsung services are bad.

Fingerprint reader not functioning properly

I got my Mi Mix from China/HK (not sure which) from NIS-store in November. The phone has been glorious with the exception of the fingerprint reader.
I enter my fingerprint, one finger, whether once or multiple times, the result is the same. Immediately afterwards it reads well, a couple of hours later it's hit and miss. Half a day later it will not read my fingerprint at all. I've flashed every ROM, BL unlocked, installed TWRP, rooted and installed EU ROM. Cleared cache, davik and user data. I used water and a soft cloth to wipe the fingerprint reader and washed my hands until they're raw.
To compare, I recently bought the US version of the Huawei Mate 9. This phone has lots of problems and is going back, but the fingerprint reader is 99% accurate.
1) Anyone else have this issue and how have you addressed? (I contacted the seller who supposedly, by default, offer a one year warrantly. I am dubious.
2) Anyone know of a repair shop, US or China/HK that might be able to repair this?
Any input is appreciated.

audscott said:
I got my Mi Mix from China/HK (not sure which) from NIS-store in November. The phone has been glorious with the exception of the fingerprint reader.
I enter my fingerprint, one finger, whether once or multiple times, the result is the same. Immediately afterwards it reads well, a couple of hours later it's hit and miss. Half a day later it will not read my fingerprint at all. I've flashed every ROM, BL unlocked, installed TWRP, rooted and installed EU ROM. Cleared cache, davik and user data. I used water and a soft cloth to wipe the fingerprint reader and washed my hands until they're raw.
To compare, I recently bought the US version of the Huawei Mate 9. This phone has lots of problems and is going back, but the fingerprint reader is 99% accurate.
1) Anyone else have this issue and how have you addressed? (I contacted the seller who supposedly, by default, offer a one year warrantly. I am dubious.
2) Anyone know of a repair shop, US or China/HK that might be able to repair this?
Any input is appreciated.
Click to expand...
Click to collapse
Have you been facing this issue since November or have you just noticed this recently?
Before you send it out for repair, have u tried registering multiple fingers other than just your index fingers?
Can you also ask a friend or someone close, to try the fingerprint sensor. This is very unlikely, but I've heard that some fingerprint sensors aren't capable of scanning every type of fingerprint. While some people have very clear pattern\ridges on their fingerprints, it may be faint for others.
This is why I am suggesting that you ask a friend to test the sensor. This way you can make sure that it is the sensor itself which is defective.

I appreciate your response.
This has been ongoing since I received the device. I've never been able to, reliably, use the fingerprint scanner and count on activating my phone without the real possibility of having to use my pin.
The Mate 9 is the only fingerprint reader that has consistently worked. My note (4 or 5?) just wouldn't do the job and my V20 is just flaky (I guess I'm the flaky one, with so many phones).
I'll start out, renewed, with other fingers, then, if nt successful, get my wife to try the fingerprint reader.
Anyone else have additional suggestions, or email of a repair shop?

audscott said:
I appreciate your response.
This has been ongoing since I received the device. I've never been able to, reliably, use the fingerprint scanner and count on activating my phone without the real possibility of having to use my pin.
The Mate 9 is the only fingerprint reader that has consistently worked. My note (4 or 5?) just wouldn't do the job and my V20 is just flaky (I guess I'm the flaky one, with so many phones).
I'll start out, renewed, with other fingers, then, if nt successful, get my wife to try the fingerprint reader.
Anyone else have additional suggestions, or email of a repair shop?
Click to expand...
Click to collapse
From what you say, it looks like the pattern of your fingerprint may be faint or hard to read compared to others. Because the other phones you mentioned like the Note 5 and V20 have really good fingerprint sensors. The Note 4 had a slow swipe-type sensor, so that has been a pain for me as well.
And the Mate 9 may have an excellent sensor or maybe its just the material on the surface of the Mate 9's sensor. Some glass sensors tend to attract even the slightest of moisture or sweat. I've noticed that the sensor of the Mix does this.
See if your partner's fingerprints work fine with the device. In that case, you can rule out that its a defective sensor.
And regarding repairs, I haven't seen any actual spares for the Mix due to the limited production of the device. So I doubt you'll find any repair shops that has parts to service the Mix.
Your best bet would be to send it to the seller for warranty.

Just so anyone interested will know, it's my faulty right index finger. After nearly 8 hrs using my left index finger and not a singe missed scan. I don't know what to think, except thanks to satishp for the insight and supportive words.

I had a problem in which my sensor crashed. I thought it was a hardware problem but a factory reset completely fixed the problem for me. If your device has ongoing issues across multiple ROMs, it is most likely a hardware caused issue.

audscott said:
Just so anyone interested will know, it's my faulty right index finger. After nearly 8 hrs using my left index finger and not a singe missed scan. I don't know what to think, except thanks to satishp for the insight and supportive words.
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Click to collapse
Glad that I could be of help. Its good to know that the sensor isn't defective and you don't have to send it for warranty anymore. It would have been a hassle to ship your phone to China and not knowing when\if the seller would send it back.
Cheers!

The mod for this function did not disable it for me

fingerprint sensor problem

Hi everybody!
Yerstaday my fingerprint sensor stopped working , all of a sudden. No special interaction or anything .
Restarted the phone several times, no success.
If I want to set up new fingerprint, sensor is not reading.
If I want to activate the button actions, there is no reaction, not even in the training mode.
Any suggestions to solve this? Anybody else with this issue?
I am on A 8 with Feb update.
Thank you!

GolfMike7 said:
Hi everybody!
Yerstaday my fingerprint sensor stopped working , all of a sudden. No special interaction or anything .
Restarted the phone several times, no success.
If I want to set up new fingerprint, sensor is not reading.
If I want to activate the button actions, there is no reaction, not even in the training mode.
Any suggestions to solve this? Anybody else with this issue?
I am on A 8 with Feb update.
Thank you!
Click to expand...
Click to collapse
It's time to meet customer care....same problem with me....I formatted my device, even I flashed A1 as well as retail ROM still fingerprint sensor not working... tomorrow I'm going to visit customer service centre
Even fingerprint option is missing from setting

Ritesh Mhatre said:
It's time to meet customer care....same problem with me....I formatted my device, even I flashed A1 as well as retail ROM still fingerprint sensor not working... tomorrow I'm going to visit customer service centre
Even fingerprint option is missing from setting
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Click to collapse
For me it solved itslef. Without doing nothing, suddenly, the sensor started working... Very strange.

GolfMike7 said:
For me it solved itslef. Without doing nothing, suddenly, the sensor started working... Very strange.
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Great...
But I have to go:crying:

They said bcoz of fungus ur fingerprint sensor doesn't work
They said that ur motherboard also cause by fungus
And it will doesn't cover in warranty coz it's liquid damage n u have to pay for repair:crying::crying:
But then what's meaning of water resistant
If water goes in Moto x4
Sorry for bad english

VLOG-29 fingerprint issue

Hi guys, yeah its an old phone but i have a new issue which is greatly ignored by Huawei.
The fingerprint identification gone from phone.
I tried to restart, open-close oem lock, reinstall phone, factory reset so on. Some of that is done multiple times. Still cannot get it back.
If anyone fixed that issue please enlighten me.
Thanks
John

Hi John, did you change hardware in the phone? On my P30 Pro screen was changed and after that fingerprint sensor is gone and not working anymore. I don't have it in settings options, nowhere in the phone menu, like was never there. I also tried to reset, downgrade firmware and upgrade again i also bought new fingerprint sensor (it's actually camera module, not a sensor) but new one is not working as well. I found some info on net, which is not reliable, of course, but some people say that fingerprint sensor is matched (registered) with the motherboard and if you want to change it you must do it in official Huawei service, they need to pair new hardware, one with other. I didn't do it but would like to have my fingerprint sensor again, so if you found the solution please let me know, thank you.

Question Fingerprint scanner not working after display replacement

I just replaced the broken display from my Zenfone 8 with a Display + chassis pack from Asus (which includes a new fingerprint scanner as it's not accessible), and everything works fine except for the fingerprint scanner. I've seen someone had the same problem on the official Asus forum but his problem wasn't solved.
Obviously Asus seems to software-lock any swapped fingerprint scanner, including the ones they sell themselves. Do you have any ideas on how to bypass this lock or make them unlock it? Did anyone have the same issue and found a solution?
Thanks!

flolaff said:
I just replaced the broken display from my Zenfone 8 with a Display + chassis pack from Asus (which includes a new fingerprint scanner as it's not accessible), and everything works fine except for the fingerprint scanner. I've seen someone had the same problem on the official Asus forum but his problem wasn't solved.
Obviously Asus seems to software-lock any swapped fingerprint scanner, including the ones they sell themselves. Do you have any ideas on how to bypass this lock or make them unlock it? Did anyone have the same issue and found a solution?
Thanks!
Click to expand...
Click to collapse
Hi, I have exactly same issue. Already written to my Chinese seller of screen replacement (it was supposed to be original) for help, but it seems one solution could be factory reset. Let me know if you've already tried it and if yes if it works ? I will come back as soon as Chinese let me know something...

phils80 said:
Hi, I have exactly same issue. Already written to my Chinese seller of screen replacement (it was supposed to be original) for help, but it seems one solution could be factory reset. Let me know if you've already tried it and if yes if it works ? I will come back as soon as Chinese let me know something...
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Click to collapse
Factory reset doesn't solve anything unfortunately, it need to be recalibrated

Yes, my investigation led me to the same point, I've already opened thread with Asus Support, finally ending with sending them phone. They haven't told me that they are going to calibrate, but I suppose they are going to do this finally. Have you passed this procedure or you gave up and you're using phone w/o fingerprint reader ?

So I'm after discussion with ASUS official service, they proposed to diagnose my phone and finally refused to calibrate claming that my LCD is not original... I suppose it is thier policy to "seal" spare parts distribution channels... Generally no hope for someone who bought part on AliExpress...