Screen defect - Vertical banding - Lenovo Zuk Z2 Pro Questions & Answers

Hello everyone,
So, I recently bought a Lenovo Zuk Z2 Pro, and I noticed some weird darker vertical lines all along the screen. These are not always noticeable, but when the background is greyish, they particularly are.
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Unfortunately, I can't resend it to the seller (in China) because of the lovely customs in my country who won't hesitate to tax the replacement phone, even though I've already had to pay 101,45€ of fees the first time.
I did my researches and I found out an app named "Screen Equalizer", that allows to permanently display an overlaid image with a low opacity, in order to correct the yellow/blue/etc. tint that some users are experiencing with their screens.
So my question is :
-> Is there any application that would do the same job as "Screen Equalizer", but with a "customized" image ?
My idea is to take a picture of my screen, and reproduce the lines in Photoshop, put them in white and upload the image in the app with a low opacity to lighten these dark lines.
Of course, it is necessary that these added lines soften depending on the color of the screen, in real time.
Does such an app exist ? If not, is it realizable ?
Thanks !

You can use the app "designoverlay" and disable the grid. But I don't know, if you can hide the lines with that.

Related

[Q] Purple hue in center of photos?

Ran a search on the forum just to make sure this hasn't been posted before, but I may have missed something... Excuse me if I did
When I'm in the camera app taking pictures/video, and am shooting some kind of dark fabric, there is a noticeable purple hue in the center of the display. Other shots (landscape, hardware shots) don't have the problem.
Below is a GIF image of my black trackpants and the burst image captured with my One.
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Notice how the purple hue is constantly moving, disappearing and reappearing?
The linked image isn't the best of quality, and the in-person shots have a more noticeable discoloration, but should this be anything I should worry about?
My Moto Atrix 4G had a very similar issue, but the problem later bled into everyday shots where everything had a blue discoloration in the dead center.
Anyone else have this "problem?" It's not bothering me too much, just don't want it to come back and haunt me in a few months.
Secondly, does anyone notice that the brightness changes when you use the camera app? If you start out with minimum brightness and use switch to the camera app, your brightness increases temporarily (assuming this is by design and not some kind of odd bug on my unit).

[App][4.0+] AMOLED Antiburn

I recently released a new app called AMOLED Antiburn.
This app is meant for Samsung devices with AMOLED displays. They tend to get burn-ins and this app can help you prevent or revert these negative effects.
Features:
- Screen Test:
Find dead pixels or burned in areas on your display
- Flash Status Bar:
Flashes your Status Bar with the colours of your choice to get rid of burn-ins caused by it being mostly black in every day use.
- Flash Full Screen:
Flashes the entire display with the colours of your choice to get rid of burn-ins caused by apps like Car Dashboard or other apps that display static images for prolonged amounts of time.
- Rainbow Mode:
Allows flashing of the Status Bar or the entire display with a fluent colour change.
The app is fully customizable and contains a lot of settings to flash precisely what you want and what your display needs.
It is competitively priced at 99 cents and is currently available in English (US and UK), German, Italian and Croatian.
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If you have any questions, need support, have suggestions or general feedback you can contact me at [email protected].

[Q] Display issue

Just got this phone today and notice an area where there is a reddish tint. It is a 2 inch horizontal band in the center of the display most noticeable on white backgrounds. Is this something that might go away after a break in period? Has anyone seen this before?
I am having a similar issue to the one you describe. Mine has a bit more of a pinkish hue, and it is at the bottom of 1-2 inches of the screen. Shows up more on white backgrounds. Trying to decide if I should get a replacement or not. It's very subtle, but I can definitely see it.
From another thread:
Coronado is dead said:
Well, now I don't know if I should get this replaced. Took a picture with it on an all white screen...
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EDIT: I will say, while I notice it on white webpages or in gmail when looking from top to bottom, that pic looks WAY worse than in person, lol.
Click to expand...
Click to collapse
Sent from my XT1254 using XDA Free mobile app
I'm thinking about returning as well, but afraid that I'll get one that is worse.

notch+dpi and display saturation

hi, can anyone help out?
i would like to buy a p20 pro, and fiddled around with it for some minutes in a shop, but still have two questions:
-i changed the dpi to around 550 via the developer options. but when hiding the notch (black bar), the display showed grave errors-- basically the black bar EMUI paints into the notch area was not large enough to cover the notch area (now that its 550 dpi). EMUI then just painted some white area(!) below. this looked simply broken. rebooting did not help in the shop, as the phone was in demo mode, so it reverted my change. can anyone confirm that after changing the dpi to 550 and rebooting there are no graphic glitches around the notch?
-the display displayed colors that were not so saturated (despite the color mode being in "vivid")-- the s9 as well as the mate 10 pro have simply more punchier colors. is there any way to increase the saturation? i use color changer pro on my a5 2016, but it needs root. but i dont want to root the p20 pro and basically loose warranty, at least not this year. any other option i did not see?
thanks in advance!
just in case you wonder how it looks like if dpi is smaller (and not rebooted at least)
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Question Shadows on screen... bug ?

Hi there !
I have the Pixel 7 and i'm very happy with it.
I've noticed something weird yesterday :
When my phone is beneath full sun and when looking at a white front page, i see 3 sorts of shadows. 2 on the top right and 1 little in the middle. I see them only in full sun condition.
I wonder if it's a screen bug or if it's a material shadow under the screen (camera material reflexion ?...)
Thanx for your help.
this pic is not mine, but it's just to show you the shadows location
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It's the proximity sensor under the camera, and other sensors. We all have them. It's normal.
Thanx for your help ! Glad to read that. But its true that once i see those shadows, i always see them !
This is how it looks on my Pixel 7 which was delivered today (i had to exchange it due to some defect and didn't recognized it before with the previous device).
I was really shocked as i have seen that. That's where i started searching the web for this.
But is that really state of the art quality of such display panels? I just wonder if really each Pixel 7 has this.
It seems the display panel of the Pixel 6 at least does not have this big shadow which looks like a big battery symbol on the top right corner. This big shadow annoys me the most.

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