Screen brightness reduced when heated due to sun exposure - Xiaomi Redmi 8A Questions & Answers

Redmi8a (dual) , screen is getting dimmed when phone heats up while exposed to sun , the same issue i experienced in redmi7a which i returned , turns out 8a dual have the same issue. I don't know if this is some kind of protective mechanism to keep the phone from overheating. Brightness comes to normal when device cools down. It bugs me even more because i cannot recall facing the same problem in my earlier redmi 3s.
Sent from my Redmi 8A Dual using Tapatalk

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Hello.i have a rn3p the Kate version and the proximity sensor has been buggy.sometimes it needs a restart to work.othertimes it needs calibration but after a restart it loses the calibration settings.anybody else experienced this problem?I am running 8.1.1.0 stable
I think its a bug with sensor driver or something, i have being doing what i saw somewhere as a suggestion to reduce the fail rate, which was to reboot the phone on a area with nice light (or point a light to the phone) and keep it until the phone finish rebooting, after you can calibrate it.. if you feel too, it still hangs a bit after calls (started to use power button to turn off the call) but pocket issues (when it is not in the pocket) are less frequent( tbh didn't had any after i started to do this)

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Hello,
I have the Redmi Note 4x and the device is getting worm in one location where the home button is when the screen is on, when it off the temperature returns to normal. Also it began 2 days ago and I didn't experience it before.
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Xiaomi Redmi K20 Pro[Indian version] Display and touch burned/Not working

Has anyone else faced with the issue of display not working properly in K20 Pro?
I started facing few problems from day 1, though the problems were minor like
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[Problem 1] When using the phone with dark mode on or with absolute black background with 0-25% brightness the screen didnt respond well to on screen movements. Like when scrolling, the items on the screen produced a blue shadow on black backgrounds.
I thought this was due to Xiaomi's usage of cheap & low quality Super Amoled displays. Im not sure if it is as i thought it is or due to some other reasons.
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So Yaaay! For that but Naaay! For xiaomi for producing soo many faulty handsets out of the factory.
I'm writing this post as there are no posts regarding this issue on the internet and i was shocked when my phone went dark.
i’m facing problem 1 too
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mine is China 6/128gb variant
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I just bought a new Redmi note 8 pro 7 days ago
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Then i have to force restart my phone to cut the call..
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I think some issues are there in the new updates itself.. i am also using the redmi note 8 pro and my proximity sensor also has some problem, however i don't have to force restart my phone. The thing with my phone is.. my proximity sensor does not work properly.... i believe the screen should be off when i am talking in the phone with the phone on my ear.

Ghost touch on mido

Hello everyone and thanks in advance for your help,
I have a Xiaomi Redmi note 4 snapdragon (mido), my problem is I face ghost touch. I have it in any AOSP android 11 roms and the original MIUI rom and it happens in every screen, even TWRP.
I tried every solution cleaning screen, disabling auto brightness, cleaning touch and LCD flat connector and so on. only solution that works is: using an electric igniter of a cigarette lighter I give a electric shock directly on the display, and it completely goes away, but for a while. then it slowly comes back again as if somehow static electricity builds up somewhere in touch screen.
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