Stuttering/frame skip while scrolling [Oxygen Os 10 BUG on all OnePlus 7T/7TPRO/7PRO]

Tex99 · Jan 14, 2020

BUG:
There is always a stuttering/frame skip while scrolling on every Oneplus 7T/7TPRO/7PRO with Android 10, on every app and every time you scroll.
1) This is the complete video and here the stuttering is so visible, moreover you can see how to reproduce it (watch it on pc at full quality 1080p60 and full screen): https://www.youtube.com/watch?v=1RUf5DP3-qU
2) If you watch this slowmotion video you can see how the written "Batteria" (when it appears stutter in red) does a sort of jump because of frame skip (I also added a frame count so you can be sure that the video is original): https://www.youtube.com/watch?v=OGbqj29EXhI
3) I did other test on my 7T with "Profile Rendering HWUI" and as you can see from the screenshots, If you do little scrolls there are serious frames drop (see the spikes):
View attachment 4913573
4) Here you can support the feedback I sent: https://forums.oneplus.com/threads/...le-scrolling-oxygen-10-bug-on-all-7t.1171252/

HOW TO REPRODUCE:
-90hz (more visible) or 60hz
-Light theme (also with dark but it's easier too see on light)
-Animation 0.5 or 1 (it's the same)
-Open settings and do little scroll with the finger (don't leave the finger on display)
-Look at the written texts ("Battery" fro example): they don't do a fluid transition up or down, they don't flow on the screen, but they "appear-disappear", it seems that they jump some pixels. Infact there is multiple frame skip every time that you scroll.

TEST:
Tests I did on both 60hz and 90hz and light theme (easier to see than dark mode) on settings app:
1- Oneplus 7T frosted silver OOS 10.0.6/10.0.7: stuttering is PRESENT
2- Oneplus 7T frosted silver OOS 10.0.1: stuttering is PRESENT
3- Oneplus 7T glacier blu OOS 10.0.1: stuttering is PRESENT
4- Oneplus 7T glacier blu OOS 10.0.1: stuttering is PRESENT
5- Oneplus 7T PRO OOS 10: stuttering is PRESENT
6- Oneplus 7 PRO OOS 10.0.2: stuttering is PRESENT
7/8- Oneplus 7 PRO OOS 9 and Oneplus 6T with OOS 9: stuttering is NOT PRESENT

RESULTS:
I'm pretty sure that this bug is due to Oxygen Os on Android 10 (on 7 Pro with Pie is not present) and it is present on all 7T/7TPRO/7PRO.
Clear system cache, factory reset, block 90hz etc.. are all useless solutions (I tried).
OnePlus still didn't fix the issue, in these condictions the 90hz are pretty useless.

Open the spoiler to see the old post:

morback · Nov 30, 2019 at 1:18 PM

Just have done your test, and it's clearly present. HD1900 international rom 10.0.6.

Tex99 · Nov 30, 2019 at 1:44 PM

morback said:
Just have done your test, and it's clearly present. HD1900 international rom 10.0.6.

Thank you, I'm sure that is present on all 7T (probably also all 7t Pro) with android 10.
For this reason I ask to everybody that find this issue to report it on the feedback thread (oneplus forum).

It's ridiculous that every reviewers didn't talk about this (and green tint) and they sau only "smooth"...mah

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micr0g · Nov 30, 2019 at 2:37 PM

No lag here.

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mike167 · Oct 6, 2007 1 1 0

Same problem here. HD1900 international rom 10.0.6.

Tex99 · Dec 9, 2019 at 10:41 PM

I made a video that takes up the issue and shows how to reproduce, even if the camera cannot capture it well (hard to record 60fps), it is drastically more evident live, trust me (I recommend to look at the written text at the center of the screen to notice it, while I scroll down, because they appear some "lines" during text transiction, it's not smooth at all).

LINK (it's better to download for quality and watch it on bigger screen, open with chrome): https://gofile.io/?c=dGaFtF

Hope that you can see the issue, I know it's not so visible on video but I don't have a professional camera, let me know if you have the same thanks!

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Husabagarn · Dec 12, 2019 9 6 0

i also have this issue, it wasnt nearly as present when i was on omnirom but when i switched back it was a big differance. that such a small thing can bug me that much

. I sent a message to oneplus customer support for what ever its worth. i'm just afraid it's never going to be fixed, gonna try out some kernels to see if they make a differance.

Tex99 · Dec 12, 2019 at 7:12 PM

Husabagarn said:
i also have this issue, it wasnt nearly as present when i was on omnirom but when i switched back it was a big differance. that such a small thing can bug me that much . I sent a message to oneplus customer support for what ever its worth. i'm just afraid it's never going to be fixed, gonna try out some kernels to see if they make a differance.

It's terrible from my point of view. So just to be sure, you see a sort of frame drop/stuttering while scrolling right ? I scroll up or down and I see some "lines" because of the transiction of the written texts (also with pictures, but It is not so visible). Did you?
I opened a bug report in feedback section if you want to add a comment to make it more visibile: https://forums.oneplus.com/threads/lag-scroll-android-10-bug-on-7t-series.1146895/

and also e thread (all on oneplus forum): https://forums.oneplus.com/threads/...droid-10-persistent-bug-on-7t-series.1148402/

I really I don't understand how it's possible that people doesn't see it. Which oxigen version are you (eu-global-indian)?
I'm on 10.0.6 EU version on 1903 model
Thank you

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Husabagarn · Dec 12, 2019 9 6 0

Im on 10.0.06 EU, the content on screen kinda dissapears and reapears just as you let go when you scroll. I got an answer from costumer support. Keep in mind that its translated from Swedish

"I checked the link you sent and we checked the problem you explained. We hope that on the next update we will find solution. But I recommend that you write down the problem in our forum too, so our technicians can see your "feedback" and how many customers have the same problem."

The reffered to this thread when i sent the message. I will go ahead and comment on that thread on the forums now

Tex99 · Dec 12, 2019 at 9:50 PM

Husabagarn said:
Im on 10.0.06 EU, the content on screen kinda dissapears and reapears just as you let go when you scroll. I got an answer from costumer support. Keep in mind that its translated from Swedish

"I checked the link you sent and we checked the problem you explained. We hope that on the next update we will find solution. But I recommend that you write down the problem in our forum too, so our technicians can see your "feedback" and how many customers have the same problem."

The reffered to this thread when i sent the message. I will go ahead and comment on that thread on the forums now

Yep the same here. I don't know what to think. Also I don't remember if it was the same on 10.0.4 (I tried to downgrade but it was not possible). In addiction it is impossible that other users don't see it, maybe on global version this issue there isn't, but it sounds so strange and I didn't have time to backup all and try

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roofrider · Dec 13, 2019 at 10:04 PM

I'm not sure I'm able to see the stutter problem you're trying to explain even if it is existent. Even in your video. Maybe it is too slight for me to notice

Husabagarn · Dec 12, 2019 9 6 0

Tex99 said:
Yep the same here. I don't know what to think. Also I don't remember if it was the same on 10.0.4 (I tried to downgrade but it was not possible). In addiction it is impossible that other users don't see it, maybe on global version this issue there isn't, but it sounds so strange and I didn't have time to backup all and try

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On omnirom i didnt notice it, i've tried all kernels on xda now but they dont seem to fix it. I really want to try some other 7t's to see if they are all like this, maybe it's extra noticeable because we think about it and know about it. This problem isn't getting much attention so i'm afraid it's never going to be fixed

Tex99 · Dec 14, 2019 at 12:42 AM

Husabagarn said:
On omnirom i didnt notice it, i've tried all kernels on xda now but they dont seem to fix it. I really want to try some other 7t's to see if they are all like this, maybe it's extra noticeable because we think about it and know about it. This problem isn't getting much attention so i'm afraid it's never going to be fixed

As I said I tested four 7T and all had this issue. I pretty sure that the problem is serious not just because of we notice it. 6t or 7 or 7 Pro are all smoother, yeah 90hz are good but they can't hide this stuttering transiction, 60hz without this issue is far better.
I have an ex ea sport friend, and he noticed this issue after 10 seconds (I didn't say anything to him before) and he has 6t.
Imho this is really serious for a 599€ smartphone, and I really don't understand why any reviewers didn't talk about it (same thing for the green tint).
In addiction I found over 15 threads about this issue on other oneplus phones expecially 5t with the same description of my issue.
If you have the possibilities compare 7t with 7pro or 6t/7 and you will notice the huge difference.

I saw that there is a new update, tomorrow I will try it and I will switch to global oxygen (maybe eu is the problem ? I don't think so). I'll let you know but I image the result

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roofrider · Dec 14, 2019

Let's try this. @Tex99 , check if you notice the lag issue in this screen recording
edit: link removed

Tex99 · Dec 14, 2019 at 9:39 AM

roofrider said:
Let's try this. @Tex99 , check if you notice the lag issue in this screen recording

https://drive.google.com/file/d/1-5FqiTZ-n_qpZY4ohYBoH6T-Qx5pcARA/view?usp=drivesdk

Sorry man but it's not possible to see this issue with the recording screen. It's necessary to record with another phone with option for 60 fps and set 60hz on op7t (light theme because is easier to see)

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Husabagarn · Dec 12, 2019 9 6 0

Tex99 said:
As I said I tested four 7T and all had this issue. I pretty sure that the problem is serious not just because of we notice it. 6t or 7 or 7 Pro are all smoother, yeah 90hz are good but they can't hide this stuttering transiction, 60hz without this issue is far better.
I have an ex ea sport friend, and he noticed this issue after 10 seconds (I didn't say anything to him before) and he has 6t.
Imho this is really serious for a 599€ smartphone, and I really don't understand why any reviewers didn't talk about it (same thing for the green tint).
In addiction I found over 15 threads about this issue on other oneplus phones expecially 5t with the same description of my issue.
If you have the possibilities compare 7t with 7pro or 6t/7 and you will notice the huge difference.

I saw that there is a new update, tomorrow I will try it and I will switch to global oxygen (maybe eu is the problem ? I don't think so). I'll let you know but I image the result

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I actually had a 5t with a simular issue to this. On that phone the scrolled lagged if you just tried to scroll, of youd hold your finger on screen for a second before scrolling it would be smooth. Like the CPU wasnt fast enough to ramp Up when you would scroll, this could be much improved by a custom kernel and tamper with the "input boost". Not sure If they fixed that issue since i ran a custom rom ever since i noticed that issue.

On this phone the issue doesnt seem to be the same, kernels dont seem to make a differance but on Omni it was much better. I only noticed it when i went back to oos, i actually read this thread before going to Omni but couldnt notice it (im quite picky when it comes to these things)

Husabagarn · Dec 16, 2019

Tex99 said:
Sorry man but it's not possible to see this issue with the recording screen. It's necessary to record with another phone with option for 60 fps and set 60hz on op7t (light theme because is easier to see)

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Did you get an answer on your post on the oneplus forum?
https://imgur.com/a/ScC8uhW
I got this, is this from another user who's messing with me or from an actual staff?

Tex99 · Dec 16, 2019 at 3:23 PM

Husabagarn said:
Did you get an answer on your post on the oneplus forum?

https://imgur.com/a/ScC8uhW

I got this, is this from another user who's messing with me or from an actual staff?

No answer yet, but I don't think that they will reply to me.

I think that he is a real member of the staff (he has staff member under his name), but they all reply with the same message (the other one that contacted me through pm wrote the same).

In addiction I didn't still update because there are some troubles with the next update (10.3.0 but it should be 10.0.7 meh) and I'm waiting for an official response from oneplus team, then I will update

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Tex99 · Dec 16, 2019 at 3:48 PM

Edit: updated at 10.0.7 EU, the issue remains, no changes. That's a shame, really

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YekatBurger · Dec 16, 2019 4 2 0

Russia. 7t 8/256 oxigen 10.0.7 global. The same situation. It's very annoying me. Ready to sell this piece of sh..
And screen like rainbow on the 50% and less of brightness.
Scrolling problem disappeared after whipping cache and erase data. Than i install about 20 app, and the problem was resumed.

Stuttering/frame skip while scrolling [Oxygen Os 10 BUG on all OnePlus 7T/7TPRO/7PRO]

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