[SOLVED] Weird display issues on any ROM except android 11 - Xiaomi Mi A2 / 6X Questions & Answers

Hello, I own a Mi A2 device (jasmine_sprout) (6/128 Variant)
There is a very weird issue with my device. Basically, my display has weird and different glitches everytime I use a ROM that is not based on Android 11
Even the stock ROM has these glitches.
If I use the Stock ROM (Android 10) or any other rom below Android 10
I have a very weird double tap issue on my touchscreen. Wherever I touch, the touch is registered twice or more some time
It doesn't bother much on normal use but typing experience is worse and video games are almost unplayable as I cant hold the buttons.
[ I have tried the stock rom and resurrection remix ]
But If I use any other ROM that is Android 12 or above,
There are horizontal gray lines that flicker on the edge of the screen and they are very visible.
I read an article online which said that setting my rgb values to all 90% in color calibration will fix this issue but it did not.
But android 12+ doesnt have the double tap glitch though
[ I have tried arrow os, pixel experience, crDroid (all android 12)
The only ones that dont have this issue of display are basically android 11 roms.
I tried ROMs like Corvus OS, Arrow OS and crDroid and they all had none of these issues listed above.
I want to know why this happens and if there is a fix for it because I want to install an Android 12 based ROM.
**I should also mention that I had my phone's display changed by a local repair shop**
**I thought it could be a faulty display but then I'm confused why it works on Android 11 and no other versions**
I am currently running crDroid 7.12 (Android 11) Official and it is running stable without any issues mentioned above
Even if there is no fix for it, I would atleast want to know the reason of this.
Thanks!!

I have managed to solve this issue by changing all values in LiveDisplay > Color Calibration to 90%. I am still not sure what caused this issue but it is now fixed atleast. I am currently running Pixel Experience (Android 12).

Related

OpenKirin

Has anyone tried their ROMs?
As far as I know, the Honor Note 8 is based on the same Kirin 955 (Hi3650) platform as the:
Honor V8, P9, P9 Plus
and the Kirin 950s (also Hi3650) - Honor 8, Honor V8, Mate 8.
HN8 isn't listed as supported, and I imagine that's probably because it's a rare device outside China as it never launched internationally. Hopefully rather than some kind of strange hardware difference that SNAFUs everything.
The Android 8 / EMUI 8 kernel source is available at http://download-c1.huawei.com/downl...oadId=99970&version=425799&siteCode=worldwide so if it does need something added to make their ROMs compatible, is it possible that it's going to happen?
I bought one due to it being the very last of the big screen 16:9 devices. The camera I don't really care about, as I've decided the best solution is a big screen and big battery, and a Sony RX100 with Wifi / NFC / BT. Selling my P20 Pro as the screen's too small and narrow, and development has been killed stone dead due to the no more bootloader unlocks.
Anyway, can anyone shed some light?
I have not tried it, but i read some feedback from other people that have installed it on their Honor Note 8.
It works, but it is slower. Especially when scrolling, there is noticeable lag and it is not smooth compared to stock rom. I wish there was a better rom, but it seems stock is still the best.
I searched the threads and couldn't find any mention. Do you remember where or when? It may be that optimisation for the 955 has been improved significantly since then. Though I suppose by the same token it could be total lack of HN8 optimisation that's the issue.
I haven't uninstalled the stock system apps and Google Play Services framework yet, but I have disabled them all, revoked all permissions and installed lightweight alternatives. It's a lot better, but still quite a way off LOS / AOSP based ROMs that I'm used to. General speed is decent, but there are quite frequent stutters and slow responses.
How does the latest versions of Kang compare? Much quicker?
Have the updates (application only) past B528 sped things up significantly? Chinese forums seem to indicate that B533 or later will go full release in the next week or two.
https://forum.xda-developers.com/honor-note-8/how-to/huawei-honor-note-8-t3457185/post77410169
Thanks. Dunno why search function didn't pick that up ... I'm not very keen on its implementation on XDA forums.
Anyway, sounds positive. If official HN8 and Hi3650 support came only with the last (August) update, then I think there's considerable hope for improvement.
AOSP / LOS / RR really should be a lot faster and smoother than EMUI 8 for HN8 in its stock form ... there's so much crap on it, and some of the stock apps are really bulky.
On that note, I'd strongly recommend that anyone who's on stock disables and revokes permissions from the Huawei Gallery app and installs an open, lightweight alternative. I'm using the Gallery from Simple Tools and have it set as default. Massive improvement in speed and lack of lag. The Huawei one slows things down seemingly even when open in the app drawer but not focused.
i tried it ... issue is mainly, that only sim slot 2 works - which also serves as sdcard-slot for me a no-go but if you don't use an sdcard, try it out.
Also, camera didn't work at all
Going to wait until the next OK release of LOS / RR.
https://openkirin.net/download/
New Resurrection Remix version is out, including network switch fix and screen tearing fix (the scrolling performance issue) on Hi3650 (HN8 is Hi3650) devices.
Assume new LOS version will be forthcoming very soon too.
Will probably wait for that, but if anyone tries the RR, do post your experience. Particularly those who've tried the much better (than 528) 535 stock.
Notes:
fixed in-call mute (Thanks to Flex1911)
fixed ussd codes (Thanks to Flex1911)
fixed network switch on hi3650 based devices
added the option to disable fast charging (Settings -> About -> OpenKirin)
september 2018 security patches
based on final rr 6.2.0 sources
REUPLOAD: fixed screen tearing on hi3650
Have you tried this new version?
Is the problem with sim and with camera solved?
Hi guys
I flashed RROS and OmniROM yesterday. Quite fluid experience, camera works.
Sim1 still not working (my main focus)
If you don't use an SD card, try it out, i think it will be fun
I would really like to use it but I need the SD!
However I'm glad the camera works.
I hope that in the future the problem of the sim will be solved too.
Really!
Let's see what the new version of LOS brings when that's released. Usually it's a bit ahead of the RR build (which got released first this time).
Also, for those of you who are reporting non-functionality of certain features, or bugs, you should report it to the devs on their Telegram Channel. Remember to specify the device.
https://t.me/joinchat/HUf8EE2ekfdnT7fum5PE0w
Deep Sleep appears to be broken on Hi3650 and Hi3660 on all the ROMs. They're looking into the issue.
pixel81k said:
Hi guys
I flashed RROS and OmniROM yesterday. Quite fluid experience, camera works.
Sim1 still not working (my main focus)
If you don't use an SD card, try it out, i think it will be fun
Click to expand...
Click to collapse
Hi,
i used RR Beta 3 on honor 9. Front com.huawei.camera can take pictures, but files are not saved.

Question My NFC disappeared after installing PIXEL EXPERIENCE

The NFC of my Redmi Note 10 PRO no longer works after having flashed the PIXEL EXPERIENCE rom (I have done the procedure again, but the NFC still does not work) the same thing happens to me when I have Arrow OS installed, it appears where the NFC icon was grayed out and could not be enabled.
Any solution?
I've been trying for three days to get NFC to work, but it still doesn't work.
It is not ideal to go back to the garbage that is the customization layer of MIUI
I have the same problem
If a custom rom give problems with sensors, camera's etc. mostly the hardware is changed by Xiaomi and that custom rom missed the drivers for it.
Best chance is to use one of the recent new rom developements, but no guarantees.
Do you see NFC repair/reset options? It's most likely due to drivers though in some cases kernels can affect as well.

BLACK SCREEN BUG PIXELEXPPLUS12

i flashed the latest merlinx pixel exp plus android 12 i still have the same problem every time i open the phone the screen is black and crashing can someone help me with this any solutions
SIR I FLASHED THE LATEST MERLINX PIXEL EXP PLUS 12 BUT IT STILL HAVE THE SAME BUG EVERY TIME I OPEN THE SCREEN IT WILL CRASH AND TURN INTO BLACK SCREEN AND AFTER I TYPE MY PIN IT WILL CRASH ALSO ANY TIPS AND FIX FOR THIS WHAT I DO BEFORE IS THAT I DOWNGRADED TO PIXEL EXP A11 AND IT HAS THE ALWAYS ON DISPLAY OPTION WHICH FIXED THE PROBLEM BUT NOW THAT OPTION IS GONE SIR

Question What bugs exist in Miui 13 ?

there are news about Miui 13's bugs ? (on Redmi Note 10 Pro)
Have Redmi note 10 pro stuck on Miui 12.5, but i think flash it in Miui 13.
I wanted to know what bugs are left in Miui 13, and what is gained (or lost).
Because apparently Miui is known for its many bugs. (And even 12.5...)
In terms of overall performance, in games; what are the gains?
If there are benchmarks on big games like Genshin Impact between these two versions
Thanks in advance and sorry for the translator :/
-Flickering in apps such as discord and youtube
-Sometimes the notification panel when pulled down is completely transparent
Also some users have faced systemui error and camera brick after updating so be careful.
an old bug, that no one at Xiaomi tries to fix:
In SystemUI (latest Xiaomi.EU MIUI 13.0.12 and lower) are 2 methods of do not disturb (DND) integrated. at least DND can not be deactivated and activates itself by fault. that is annoying and a long known bug without fix or workaround.
Dual-SIM management doesnt work proper. Taking SIM-cards online /offline is buggy and works like try and error.
Found screenflickering in youtube and google app in low light conditions from time to time
But all in all, the jump from 12.5 to 13.0 is worth! dont postpone it much longer.
ottili81 said:
an old bug, that no one at Xiaomi tries to fix:
In SystemUI (latest Xiaomi.EU MIUI 13.0.12 and lower) are 2 methods of do not disturb (DND) integrated. at least DND can not be deactivated and activates itself by fault. that is annoying and a long known bug without fix or workaround.
Dual-SIM management doesnt work proper. Taking SIM-cards online /offline is buggy and works like try and error.
Found screenflickering in youtube and google app in low light conditions from time to time
But all in all, the jump from 12.5 to 13.0 is worth! dont postpone it much longer.
Click to expand...
Click to collapse
I will look for update it. And how do you feel about the overall performance ? do the games run better ?
The overall performance is better. Games run the same as before since a software update doesnt improve your hardware. Slight better since I used gamemode. Never have had hardware issues in PUBG or other FPS. Never tested Genshin or else. Sorry
The front camera just died and no sound is coming through Bluetooth devices after the update.You better not update it .
abhiastic said:
The front camera just died and no sound is coming through Bluetooth devices after the update.You better not update it .
Click to expand...
Click to collapse
That has been happening lately and it can even happen on miui 12.5 or even aosp rom not guranteed that it won't thanks to xiaomi for that.

Question Display colors and brightness "issues" on custom roms

Hi everyone. Some weeks ago i tried two custom roms: Arrow Os 12 (Gapps) and CrDroid A12 (Gapps). In both of them the display appeared much darker, same for the colors and the overall contrast was really high, at least compared to what i usually see when using MIUI 13 (color profile *vivid*).
Something similar happened with brightness: when using a custom rom i had to increase it at least at 40% in order to see clearly, while on MIUI 13, in the same condition, something like 20% was enough.
I was wondering if anyone else encountered these "issues". Thanks.

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