FIXED: Samsung Note 20 Black Screen OF Death But Phone Workimg Via Dex - Help Needed

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Mahelayohan

New member
Nov 11, 2021
1
0
Hello guys I'm facing the same problem, i tried lot of things and nothing worked for me until now. Now I'm waiting until the battery fully drained and tried all the methods in YouTube videos.
 

Raid3n__pt

Member
Nov 2, 2021
17
2
Hello guys I'm facing the same problem, i tried lot of things and nothing worked for me until now. Now I'm waiting until the battery fully drained and tried all the methods in YouTube videos.
Its the screen men.
It happened to me, even draining the battery did nothing , the screen came back but only for 10 minutes and after 3 days.
Draining the battery wont do nothing in most cases. You can conect it to dex using a usb c hdmi cable.
If you got warranty take it to samsung center.
If not you will have a 400 dollars bill for screen replacement.
 

belizaire

Member
Dec 24, 2007
11
2
Just happened to me today. Just reading through this thread yo should we do a class action or something...
Tried everything except battery drain... Which I am attempting right now... This is ridiculous!!!
 

merovingienne

New member
Sep 1, 2021
3
0
this happened wih me on android 10. i updated via dex to ho in recovery and then via odin immediately. And never again happened on Android 11.
I updated the phone as you suggested @kingwicked . At first nothing changed - screen did not light up. But then a couple of days later it started working and has worked well over the last 6 months.

So if someone is stuck in this situation in Android 10, UPDATE YOUR PHONE ASAP.
 
Last edited:
I updated the phone as you suggested @kingwicked . At first nothing changed - screen did not light up. But then a couple of days later it started working and has worked well over the last 6 months.

So if someone is stuck in this situation in Android 10, UPDATE YOUR PHONE ASAP.
Congrats , thats what happen on Android 10 with me, since my phone started working its been 2 years almost not even a single time it has happened again Thank God. 😀
 
Wonder what crashed it?
A Samsung update? 3rd party app?
Lol, a time bomb?
Meh, another reason to use the N10+...
As per my findings mentioned in previous posts most likely it was the bad firmware of camera module on Android version 10. As soon as i updated to A11 never happened again. Probably an issue with default camera app on Android 10.
 
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obrobrio2000

Senior Member
Jun 13, 2013
120
50
Hi guys, it happened to me last year. I tried everything (draining battery etc.) but nothing. Brought in for assistance, they initially tried to say things like "weird, doesn't seem like a widespread problem". After this, I was already expecting a blow of at least 300 euros. I told them to just do a Google search and see that it's a widespread problem. Not only here on XDA but also on the Samsung community there are a lot of complaints. Eventually they examined the phone and fixed it under warranty, probably because they saw that the phone was spotless. A few days ago I had some glitches/artifacts for a few seconds but now everything seems ok. I hope it was a software problem with some app. I have the phone with Samsung Smart Rent (in other countries it's called Upgrade Programme I think) and you can change it after 12 months or give it back after 24 months. It's now suspended because trade-in exists. I sincerely hope to arrive in August without any other issue so I can give it back to them and gtfo lol. And hope Fold4 won't have similiar issues lol.
 

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    I have exactly the same issue. I was typing on whatsapp when suddenly screen get black. Notifications were ok, voice commands too. Touchscreen ok, I could use it normally when using my TV as screen with HDMI cable or with my notebook, when connected to windows or even Dex.

    I already flashed fresh stock Android R rom and my display is still dead.

    Tried to tap, slap, shake (I can her some noise next to camera module when shaking). I'm draining battery now with some apps that also vibrate phone. Display is still dead.

    I live in Manaus/Brazil and repair centers are not working until March 23 because of Sars-CoV2. And my knox is tripped. It would cost a lot If I have to replace display or even the phone, since they probably will say it's no longer covered by warranty.

    Were tou opening and closing the camera while mirroring screen? or on blind?

    It seems in your case, the display went back to normal as strange as it turned off.

    Could you please share the mentioned youtube video?

    Hope I have that lucky as well.

    Sorry for the late reply mate. The Scenario when display got back alive was.

    1. My phone was connected via HDMI to TV in Mirror mode (Not Dex Mode). I also had mouse and a keypad connected since i am using Samsung Dex pad which came with my old note 9

    I have from day 1have doubts about the stock camera app on my Note 20 Ultra. The app misbehaved from ranging to camera fail, and force closes on Android 10. That why i did below next

    2. I forced close camera app , cleared its data and then while watching on Tv
    i placed my finger on Camera icon and repeated opened it and closed it with back key.
    since the display on phone was off so i used Tv for help
    BUT physically doing the action on phone with fingers not with mouse on screen via mirroring

    3. while i was repeatedly opening and closing app by touching the display with finger suddenly i saw camera app asking me for location tags pop up on display and from that time onward there has been no issue and the display is working as nothing wrong happened.

    I wish and hope you have resolved issue by now. Please do share your experience for others . since when i had this issue, i found very less information about it. but i saw around 15 to 20 users having such issues especially with Note 20.


    Conclusion what i have understood is either its some issue with Note 20 Ultras Camera Firmware or THe Electjet 45W Charger the culprit which i bought for my Tab S7 and was using to also charge my Note 20 Ultra. I have stopped using this charger for my phone and tab and since that day only using 25W OEM charger which came with the phone. I have now this 45w Electjet charger connected via Samsung dexpad which caps its charging speed to 15W.

    Here is the link of the video. and i tried all things mentioned and then after exact 24 hours
    the display came alive back when doing activities i mentioned above. and i have no link with the guy or channel who posted this video. I was just trying everything to bring life to my dead display .


    PS: i had only 5 percent belief in this video . i dont know what worked
    i had prepared my mind for the300$ plus panel display replacement.
    i just read two recent more comments which state they got their phone working back.
    Do read the comments posted as there might be some more clarity of things to try.

    (Please Apply reasonable pressure on screen when trying these actions as you might break the Display)
    3
    Worked! Slapping it around and massaging it with reboot. Who knew Smack My ***** up! - The Prodigy was referring to modern phone fix'n.
    2
    I updated the phone as you suggested @kingwicked . At first nothing changed - screen did not light up. But then a couple of days later it started working and has worked well over the last 6 months.

    So if someone is stuck in this situation in Android 10, UPDATE YOUR PHONE ASAP.
    Congrats , thats what happen on Android 10 with me, since my phone started working its been 2 years almost not even a single time it has happened again Thank God. 😀
    1
    Have you tried a hard reset?
    Hold down the power button for like 30 seconds it should reboot
    1
    Wonder what crashed it?
    A Samsung update? 3rd party app?
    Lol, a time bomb?
    Meh, another reason to use the N10+...
    As per my findings mentioned in previous posts most likely it was the bad firmware of camera module on Android version 10. As soon as i updated to A11 never happened again. Probably an issue with default camera app on Android 10.