Lockscreen display issue - Samsung C9 Pro Questions & Answers

Hello, as you can see from the screenshot, the display on the lockscreen becomes this green/white gradient colour and is unresponsive till I lock/ unlock the phone. Any idea what problem is this? Should a factory reset solve this?

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my phone screen blink and display errors

I bought a phone but I have a problem with it performance. Screen is blinking all the time and icons are disappearing.
You can see how it looks on youtube hxxp://youtu.be/MdKJV-DL8Z8
any idea how to fix it? Is it soft or hardware?
Flash it with another rom - stock or custom , if it still blinking it will be hardware problem

[Q] Unlocking Device - Scrambled Screen?

Hi guys i seem to have a problem which i cant figure out where its coming from. This is my second device that does this, basically sometimes after i unlock the screen i get a glitch or scramble on bottom half of the screen for about 1-2 seconds, mostly when it unlocks to the contacts or call log tab.
At first i thought its because i had disabled the transition animations and window animation scale in developer mode but it did it after i set them back to default as well.
After i thought its from the light animation on the lockscreen and i disabled that as well but same issue persists.
It only happens 3-4 times per day.
I exchanged my first device because of this and now second one is doing the same. I will try and post a picture later. So is anyone else experiencing this or do i switch again?

a little lag in lockscreen

Okay , that's a weirdo tittle but this is what i am facing. Sometimes when i press the power button the screen wakes up but i get the black screen ( like the one which we get it ambience dipslay) , i get that black screen for a second and then my lock screen wallpaper shows up (before lock screen wallpaper shows up i get that black screen which i have mentioned with clock on the screen )
I am concerned if its hardware issue , tough i have flashed stock factory rom via mi flash tool . I am uploading a video . There u can see that black screen comes and then the wallpaper appears.vdo in link
https://photos.app.goo.gl/3GCrpyAZPZYuxsQj2
Same here, I am facing the same issue.
Display goes black for few seconds.
I flashed all of roms but still the same.
?

Ambient strobe like display issue

Hi,
since 2 months ago, i meet an issue which is kind of boring.
I have the ambiant display with the tap to wake mode ON and the fingerprint sensor activated.
At the begenning of my use, i have not met any issue : ambiant display was functional (i.e written informations on a black screen).
Now, when i wake up the screen with a double tap to wake gesture , informations are stile written but, this time, on a grey flickering/flashing screen (kind of stobe ligh effect). At the moment i touch the fingerprint sensor, it stops to be flashing grey and return to normal black.
Does someone have any idea of this issue? I am hesitating to proceed to a factory reset in order to see if it solves it.
Thanks in advance for your comments.

Blinking screen

Hello,
My Pixel 4 screen remains black, sometimes blinks and sometimes display runs ok. Tapping the screen changed nothing. I did a hard reset but situation remains unchanged. I'm wondering what the issue can be, a defective screen, a faulty motherboard, a faulty contact?
Did you experience this issue and how did you fix it?
Thanks

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