Database Develop

Battery Drain on 9.0 Pie

Hi people,
Can someone give me and opinion of the battery drain with a note 9 on pie?
I bought my Note 9 four days ago and updated to 9.0 pie right out of the box, I think that battery is still optimizing for usage but I find it very bad with battery life and SoT. I'm posting a screenshot, if you have some tips ?

I'm with exynos, 50% brightness display, exynos version, Bluetooth off

ineedandroid said:
Hi people,
Can someone give me and opinion of the battery drain with a note 9 on pie?
I bought my Note 9 four days ago and updated to 9.0 pie right out of the box, I think that battery is still optimizing for usage but I find it very bad with battery life and SoT. I'm posting a screenshot, if you have some tips
Click to expand...
Click to collapse
You answered your own question! Battery is still optimizing for usage! You have to give it 10 or so days before it battery gets better! Also turn off Wi-Fi, Bluetooth, 4G, Sync, turn the screen off turn everything off lol messing with you 2/3 weeks mine took to settle down!

I'm having the same problem. Android System was waaaaay lower before. It's always at the top of the list now. :/

vinyl3131 said:
I'm having the same problem. Android System was waaaaay lower before. It's always at the top of the list now. :/
Click to expand...
Click to collapse
Please can someone give a tip to make Android system's drain lower?

ineedandroid said:
Please can someone give a tip to make Android system's drain lower?
Click to expand...
Click to collapse
There's plenty that can be done, especially if you have the exynos version of the phone.
-Unlock bootloader and install Dr Ketan's rom, it is fantastic.
-Then apply endurance kernel.
-Use Magisk manager to apply module: Universal GMS Doze
-Use Mtweaks to apply a few kernel tweaks
I haven't gone this far just yet as I'd like to see how the phone goes without it for a few weeks but you can also install greenify or if you want to really get serious, greenify xposed module. Personally I find the battery life of the note9 to be fantastic but you must keep in mind that the screen is enormous and hi-resolution. Whenever you are using the screen, especially at a high brightness level the battery is going to drain - it can't run on good intentions.
Try turning down the brightness. If you are absolutely serious about battery life over everything else, you can disable auto-sync, remove the official facebook apps if you have them and replace them with faceslim and lite messenger and modify the notification settings.
Doing all of the above and only turning the phone on when you need to make a phone call or use navigation etc should net you an easy 4 days+ of useage but then again, you may as well have bought a $30 powerbank phone.

Tripping Knox hardly sounds like a good idea if I'm honest.
If your Android System is high then something in the background is wrong. You could try clearing cache then give the phone a couple days to settle

Battery life varies significantly with any phone and any version of Android.
Often we assume, wrongly in my opinion that a very large factor in battery life is the version of Android , hence the numerous posts on this forum who wish to or have gone back to Oreo, for reasons I consider delusional.
What apps you have on your phone and how often you use them are significant, playing games that use lots of cpu and gpu is going to impact battery life.
Web browser and YouTube rather less so.
I have experienced lower and higher screen on time and standby time with the same apps and version of Oreo, and Pie (both on beta and released)
I am on Exynos Note 9
Bought and used since release date Aug 24 2018, haven't used so called battery life friendly charging (20% to 80% etc)
Can run battery down to 0% on occasion and charge to 100% using fast charge, often left on charge overnight.
Yes there are some optimisation that may help and I use a few, I couldn't tell how much they help though as just varying usage is a greater factor in my opinion
Battery performance from yesterday
18.5 hours total usage with 9.25 hours screen on time

Android 10 One UI 2 Battery and Performance

for those who got the final update, or had the beta, how is the battery life and general performance compared with PIE ?

Mine is snappier and battery life is better.

izmenar said:
for those who got the final update, or had the beta, how is the battery life and general performance compared with PIE ?
Click to expand...
Click to collapse
The battery life is slightly increased and rest every thing is okay.
Was a beta user. Exynos variant. Im sure the battery life and performance of Snapdragon variants would go more better. Exynos always sucks.

I think battery is better, lets see the rest

Mine is about the same. In the beta forums it seems to be all over the place though, some are happy, some not so much.

Any changes in the camera quality ?

My Exynos S10 used to reach 30-40+ hours of battery time on P (mostly web whatsapp and regular phone calls, no games at all, see pic).
After upgrading to stable Q, juice can't even give me 30 hours. As I see it, in my case Q is clearly the culprit.
SOT is not a valid metric for me, as I'm always on web whatsapp -- lots of use, no screen on.

Stable version of Q. Better battery for me

2 hours of screen
It takes me 2 hours of screen. plz heeelp

natmaster said:
It takes me 2 hours of screen. plz heeelp
Click to expand...
Click to collapse
For starters, try and disable the following settings, case they are on:
. location
. bluetooth
. AOD
. NFC
. WiFi (case mobile data is suitable for you)
<Display>:
. set screen brightness to something around 50% (middle of the bar).
. set <Screen timeout> to , say, 30 seconds.
. set <Screen saver> to "none"
<Device care> / <Battery>:
. set <Power Mode> to "optimized"
. set <Adaptive power saving> to "on".
As for apps, Facebook is known to be a huge juice drainer.
Let me know how this works for you,
Cheers

RGold55 said:
For starters, try and disable the following settings, case they are on:
. location
. bluetooth
. AOD
. NFC
. WiFi (case mobile data is suitable for you)
<Display>:
. set screen brightness to something around 50% (middle of the bar).
. set <Screen timeout> to , say, 30 seconds.
. set <Screen saver> to "none"
<Device care> / <Battery>:
. set <Power Mode> to "optimized"
. set <Adaptive power saving> to "on".
As for apps, Facebook is known to be a huge juice drainer.
Let me know how this works for you,
Cheers
Click to expand...
Click to collapse
Disabling everything isn't the solution.... Something must have gone wrong during the update process. I have everything on and I have a great battery life. Maybe trying a factory reset for example (even if it's annoying)

battery is marginally better on mine, after the update i entered the stock recovery and wiped cache, i dont know if that does anything.One UI 2 is very underwhelming, not many changes

Mini Jay said:
Disabling everything isn't the solution.... Something must have gone wrong during the update process. I have everything on and I have a great battery life. Maybe trying a factory reset for example (even if it's annoying)
Click to expand...
Click to collapse
Disabling everything is for quick diagnosing purposes, for identifying shady component(s), not meant to be a solution. Think of a box that won't start. You start by ruling out PSU, then memory modules, video card, and so on. Sure, in the OP case update issues must be considered, as well as third party software.
Cheers

My phone feels great after the update. Fast and smooth, the battery is the same, gets me through the day with Wi-Fi,BT and mobile data on all the time.
Love the new animations but the gesture navigation needs improvement, especially when switching between apps. Overall great update.
Thanks you Samsung!

ram usage increased too...

I agreed. I'm on the stable version of android 10. I have a Galaxy S10 G973U and It is on T-Mobile. Battery Life has steadily gotten worse for me starting from the October security update and it is much worse on One ui 2.0. Overnight, I lost 15 PERCENT CHARGE. I don't know what to do. I'm not sure if its a problem with my device or a widespread issue and just a problem with the software. Pls help. I called samsung to report this 3 times and they referred me to a repair shop. I don't want to go to the shop unless I am hundred percent sure that this is an issue only with my phone. g973u1 users are reporting excellent battery life and some g973u users are reporting bad battery life. Pls help.

In only 2h of screen time, I've lost 40% of my battery and I was a 100%.
Few web browsing and some texts and Spotify playlist in the background.
Is there anyway to optimize the battery life on One ui 2.0?

Gotta love these "how's the battery life?" threads.
Mine is better.
Mine is worse.
Mine is about the same
Camera quality decreased
Phone runs hotter
Uses more ram
It ruined my marriage
The phone got bigger for some reason
And so forth...

For me its about the same

Hi. as I get the view of the battery life as it was in android 9¡? While still not understand view of the battery life in android 10

Poor battery life on second P30Pro

Hello, I had p30pro and was perfectly satisfied with it but from curiousity changed it for oneplus 7 pro and then galaxy note 10+, wasn't satisfied with those devices because of worse battery life than p30pro, I had 8-10h screen on time with p30pro and ~5h with one plus 7 pro and galaxy note 10+. (gsmarena endurance rating is not correct, p30pro according to them has 100h endurance rating and galaxy note10+ has 107h, so I expected battery life to be pretty much the same but its far from that )
because of magnificent battery life on p30pro i changed back to p30pro, but this is second unit I got and battery life is not like on the first one. first one was 1 year old 8/128, current one is 8/256 3 months old and I have like 5-6 hours screen on time with new one which does not satisfy me, battery life is primary reason i got back on p30pro.
usage is the same, same applications installed as far as i am aware
I have screenshot from first p30pro with 8hours screen on time and 25% battery left, it was so great that I had to save it :laugh: and battery life was contant like that
Other pictures attached is from current device, 3h31min screen on time with 38% battery left, so by the time it drops to 25% like screenshot from first p30pro it would be like 4h30min screen on time, big difference. battery life is constant like that
any tips, solutions, suggestions, thoughts?
-i did wipe the cache in recovery
-i tried dark mode
-no app seem to be draining the battery
solutions that i am thinking about:
-wait for 10.1 update for my device and see if there is any changes
-sell this one and get third p30pro (really dont want to do that, I will lose money and time and would be furious if i dont get good battery like on first device )
-factory reset (really dont want to do that, I will lose half a day again customizing and installing everything)
is integrated battery info correct, could there be something /an app that drains the battery but is not showing correctly in battery usage?
FAULTY UNIT?

There must be somethnig draining battery , either delete one by one apk and see if it improved, then you will know which apk was trouble, or hard reset and manually reinstall all apks, do not use backup as faulty apk will do same harm.
Second phone was new or second hand? If second hand you should do hard reset first.., tip for future..

one thing I noticed on screenshot from first device is that I was using only one sim card back then, I turned off second one now and will see if battery improves, altough in Screen On Time thread I see people have 8-10 screen on time regularly with two mobile signals.
"there must be something draining the battery..." can there be anything like that but not showing in battery usage correctly? because everyhing in battery usage seems fine.
both phones was second hand and I did reset them, but from menu, dont know if there is any difference in reseting from recovery?

1. EMUI 10.1 have same battery in some cases may be worse battery than EMU 10
2. Why sell phone if this one is good just need find what eat battery
3. Factory reset thats in many cases fix drain problem but if you wont do that why you not do backup first than make factory reset
Solution
1. Try put all apps in sleep mode settings ---> battery ---> startup apps (there enable sleep mode on all apps only leave apps from where you want get notifications)
2. Dark mode i recommend you use it any time its not save your battery too much but it can help to save battery
3. Use Huawei optimizer app to clean junks and optimize phone
4. Disable synchronizatios
5. Disable GPS, NFC, Bluetooth if you not use it (if you use any navigation than just use GPS when you not need it)
6. I see your Google Chrome use too much battery use instead Kiwi Browser
7. Same about Instagram use light version of instagram or try InstaMod app its better for me
8. Your screen display use 24+ % battery try lower light i have set on AUTO BRIGHTNESS (Tips in settings display set lower resolution)
9. Cell standby try disable mobile data when you not need and btw try put sim in another slot
10. Disable or Uninstall all apps from Google i have disabled Google Movies, Google Music, Google Drive and mayn other apps just disable all apps which you not use
11. I see you are on stock launcher you can try Nova Launcher or Evie Launcher or Microsoft Launcher....(Tips Evie Launcher is one of the lighweight launcher and build for performance/battery i now use Microsoft Launcher which is same as Evie but with little more functions
If you need any info just ask

so I disabled second sim card yesterday and this is result I have now, much better! 1h16min screen on time with 86% battery, which corresponds with about 8h screen on time :good:
can't believe another sim card has so much impact on battery life. my signal is full!
in next few days I will try only 3g or 2g enabled instead of 4g for second sim card to see if that makes a difference.

5 hours & 40% still left, always using data connection. Mainly browsing and watching videos.
VOG_L29D EMUI 10.1.0.126, firmware updated using hisuite proxy

But also any other firmware version was giving the. Same SOT

hARNKSH2001 said:
5 hours & 40% still left, always using data connection. Mainly browsing and watching videos.
VOG_L29D EMUI 10.1.0.126, firmware updated using hisuite proxy
Click to expand...
Click to collapse
tell me, is your brightness on automatic? if yes, did you spend time mainly inside where brifhtness is lower? when was device charged, 12h or 24h ago? what type of usage?

trpi said:
tell me, is your brightness on automatic? if yes, did you spend time mainly inside where brifhtness is lower? when was device charged, 12h or 24h ago? what type of usage?
Click to expand...
Click to collapse
Yes brightness is always automatic (indoor and outdoor) , i rarely use wifi,
Usage, facebook, YouTube and emailing, and some light gaming.
Also I'm using two sim cards but disabled 4g on the first sim card wich i use in calls and left the data line 4g.

trpi said:
Hello, I had p30pro and was perfectly satisfied with it but from curiousity changed it for oneplus 7 pro and then galaxy note 10+, wasn't satisfied with those devices because of worse battery life than p30pro, I had 8-10h screen on time with p30pro and ~5h with one plus 7 pro and galaxy note 10+. (gsmarena endurance rating is not correct, p30pro according to them has 100h endurance rating and galaxy note10+ has 107h, so I expected battery life to be pretty much the same but its far from that )
because of magnificent battery life on p30pro i changed back to p30pro, but this is second unit I got and battery life is not like on the first one. first one was 1 year old 8/128, current one is 8/256 3 months old and I have like 5-6 hours screen on time with new one which does not satisfy me, battery life is primary reason i got back on p30pro.
usage is the same, same applications installed as far as i am aware
I have screenshot from first p30pro with 8hours screen on time and 25% battery left, it was so great that I had to save it :laugh: and battery life was contant like that
Other pictures attached is from current device, 3h31min screen on time with 38% battery left, so by the time it drops to 25% like screenshot from first p30pro it would be like 4h30min screen on time, big difference. battery life is constant like that
any tips, solutions, suggestions, thoughts?
-i did wipe the cache in recovery
-i tried dark mode
-no app seem to be draining the battery
solutions that i am thinking about:
-wait for 10.1 update for my device and see if there is any changes
-sell this one and get third p30pro (really dont want to do that, I will lose money and time and would be furious if i dont get good battery like on first device )
-factory reset (really dont want to do that, I will lose half a day again customizing and installing everything)
is integrated battery info correct, could there be something /an app that drains the battery but is not showing correctly in battery usage?
FAULTY UNIT?
Click to expand...
Click to collapse
I think I found your cause of drain. Go to settings, apps, apps, on the top right click on show system apps, then check for hms core. Click that, then on the top right you will se a gear. Click on the gear and carefully untick everything that has to do with data sharing, analytics etc. Check your battery again and let me know mate ??

10 months trying fixing battery drain (k20 pro/mi9t pro)

So, It has been 10 months of headaches. Bought in july 2019, for two months best phone ever, battery lasted 2 days, near to 1-2% of battery drain at night on standby. After installing miui 11, the battery said "bye bye". 3h screentime, need to charge the phone twice a day, losing 10%/h on standby.
What I tried is:
-havoc os
-xiaomi.eu Miui 11-12. beta and stable
-Evolution x
-latest firmware always/reinstalled latest firmware-vendor
-always clean install wiping everything
-new battery 2 months ago (same results, no difference at all)
-no app is draining battery in the settings
-unistalled analytics and miui daemon (msa not found on xiaomi.eu roms)
the phone goes in deep sleep as you can see in the photos in the link below.
Gps, wifi and bt always on. Tried switching them off, just 1% less of battery drain on standby.
Bought a broken mi 9t pro just to try switching motherboards, just to try that it isn't a electric or physical issue with the phone, but can't do it that right now, waiting the new screen to test the broken phone.
https://photos.app.goo.gl/zaAoKBJ4txMa7vRg9
Any suggestion?

Have you tested putting the phone on standby in airplane mode? This is unlikely to be the root of the issue but poor cellular signal may negatively impact the battery life.

wsydgx said:
Have you tested putting the phone on standby in airplane mode? This is unlikely to be the root of the issue but poor cellular signal may negatively impact the battery life.
Click to expand...
Click to collapse
tried that also, nothing change. Always 4%+/h of drain in standby.

I've pretty same problem, and it's really strange...
I've a Mi 9T Pro, bought not more than 2 months ago brand new, all stock.
I leave on just the phone active during the night, in both SIM cards: no bt, no wifi, no mobile data active.
The battery drain is around 10%, which is really insane considered that before my 3 years old phone, an Honor 8, in same conditions, was draining not more than 4%.
In general battery is draining really too much.
Passed OTA from MIUI 11 to 12, but the drainage is same.
I'd like to understand what is the issue causing that.

Dude. Same issue for me. It's only 6 months old. I noticed battery loss on miui just a month into purchase. I'd suggest pick a rom without Gapps or one with microG and try them out. I was using evo X and getting around 6-7 hrs SOT. Once I moved to Aim and Omni I started getting 9-10 SOT. I think Gapps is mostly the culprit. Miui sucks these days. I tried miui 12 and was utterly disappointed. Try this and you might just start loving your phone again. I'd say go for Omni and setup microG, install greenify, turn off battery optimisations only for essential messaging apps and turn on aggressive doze. Your sure to see a difference

Try havoc os 3.7 , try it without social apps like instagram, facebook and other crap.
Mine usually lasts around 3 days with 6h sot.
I also have gps , bt , sync and data always on

Tried gms doze? Disabling autostart of apps in miui?
Mi 9T Pro ll Tapatalk

The point, guys, is not to try different ROMs or install apps or not to use social medias because the phone drains battery...
The point is that the phone should not drain battery that much at all!
I think Xiaomi should care more of the firmwares released, trying harder to fix bugs that might be important rather than releasing new features.
My own opinion.
PS. Last night i checked the battery drain thoroughly: from 1.30 am to 7.30 am, just both SIM cards on to receive eventually phone calls, no WiFi, no BT, no internet connection, ND mode active = battery drained 9%
It is not acceptable!!

Clear all apps from memory, clear cache of 'Google Frameworks' and 'Google Play Services' don't restart the phone
I do this whenever I remember usually every few days and get great SOT around 9-11 hours. Although Accubattery says my battery health is 3300 of the 4000 as I've had it for a while and I'm a very very heavy user. Brand new was getting closer to 10-12 hours doing this same method.
I found it by someone posting a random comment somewhere in this forum just don't know who or where I saw it. They gave no explanation as to why it works but just what they did and its worked immediately. Note I'm still on MIUI 11.0.3 Global as I'm nervous this method won't be as effective in more newer MIUI Versions.
If you have a newer version please try and let me know if it still works, hope this helps
Also I reinstall MIUI through the phone after clean flashing it via Mi Flash
That is that I flash clean (erase storage but not lock bootloader) from Mi Flash and then go to the update settings of the phone and then press the 3 dots at the top left and "download latest update" and then install it again
This helped when I was on MIUI 10.X.X but do it out of habit so not sure if it helped for MIUI 11.0.03
edit: Reinstall method

Similar issue with my K20 Pro.
1. The battery backup on Android 9/MIUI 10 was giving me close to 1.5 days of backup of 7-8 hours of screen time.
2. It was decreased to 6-6.5 in Android 10/MIUI 11
3. Now with MIUI 12 it is reduced to 6 hours and with need of charging two times in a single day. All this with no social media apps, only Whatsapp, Youtube, Prime Video, Spotify and MS outlook, teams apps with regular usage. WIFI all the time, no GPS, 2-3 hours of Bluetooth. plus tried deboating MI apps.
So far I have tried PE, EVOX and EU roms but all gave me disappointing battery backup. The battery seems fine only on android pie so my assumption is that battery probably doesn't need replacement and more of xiaomi's firmware related issue on android 10.
It's so disappointing to see such a great piece of hardware holding back because of battery. I hope somebody find a good solution to this issue.

Question High battery drain

Hi guys. I am rocking CN version of Mi11 Ultra 12/256. It's currently on stable 12.0.10. i have allowed the application for notification and set up the system in my way to be usable by uninstalling most of the chinese ops that i was able to. Now, i can see that the battery drains abnormally it seems that the phone doesn't go to deep sleep. The second highest usage stats is android system.

Awesome phone!
It's a bit old but you can use Wakelock detector to see what is preventing your phone from going into deep sleep.
I'd also try to check the logcat to see if there is some system process working in the background continuously draining your battery.

I'm also looking at that graphic, it doesn't seem like Battery Drain is much at all. The phone has been active for 8 hours and it's around 80%? Doesn't seem bad to me.
Screen and Android System are the commonly the two most battery drainers if nothing else is cpu intensive.

Yes, but it was 8 hours overnight

bitpushr said:
I'm also looking at that graphic, it doesn't seem like Battery Drain is much at all. The phone has been active for 8 hours and it's around 80%? Doesn't seem bad to me.
Screen and Android System are the commonly the two most battery drainers if nothing else is cpu intensive.
Click to expand...
Click to collapse
Thanks for the input BTW, I'll definitely check wakelock. Maybe it's just me, but it seems it's draining in my eyes.

20% overnight is indeed too much... Might it had something to do with the debloat ? Did you uninstalled the Chinese aps via the getapp store or ADB ( disable or remove )?
After I upgraded to 12.0.13 my battery did drain a bit faster the very first couple of hours. ( background optimizations i Guess ).
Today I updated OTA to 12.5.
We'll see how this goes .
Good luck to you !

You probably already checked these settings but don't forget to disable AOD (if you don't need it), WiFI/Bluetooth scanning and WLAN Assistant too as thais will help reduce power consumption slightly.

I think its normal drain...the system drain is just there for example i debloated around 30 apps and its good

Last night with everything on as during the day ( Bluetooth, wifi, mobile data, gps, nfc, etc ) it drained only 4%.
For me it's a new record

Here is mine

Jhonxs said:
20% overnight is indeed too much... Might it had something to do with the debloat ? Did you uninstalled the Chinese aps via the getapp store or ADB ( disable or remove )?
After I upgraded to 12.0.13 my battery did drain a bit faster the very first couple of hours. ( background optimizations i Guess ).
Today I updated OTA to 12.5.
We'll see how this goes .
Good luck to you !
Click to expand...
Click to collapse
I uninstalled some chinese apps traditionally, so didn't use ADB download method.

Is the same that i did when i got my phone.
I went in the getapps store ( xiaomi store ) and uninstalled everything that i could there
Maibe you have some other software then installed , that isn't perfectly optimized.
My best advice is to go ahead and clear the full data for ALL the aps you are using ( including google playstore and the related services )
Also you can try to keeps the phone plugged during a night or two ( without touching it )
As i read somewhere, if the system sees that it has full battery and is plugged in after a while ( more than 20 min or so ) will start the optimizations of apps/general system ( otherwise it will try to do the optimizations during the day when it's in standby and above certain battery level )
I had some success doing this on my mi9 with xiaomi.eu, but in that case the rom version had a known battery drain
Do you have the miui optimizations disabled ( i left it enabled and haven't touched it ).
Have no issues with batter drain so far.
Good luck and keep us posted !

Did you ever fix the issue with the high battery drainage? I got my global unit last Friday (running 12.0.1) and I feel like I'm seeing a similar thing. Wanted to see what other users were averaging for screen on time. Is around 5hours of SOT with 120Hz and WQHD+ enabled decent?

panda24z said:
Did you ever fix the issue with the high battery drainage? I got my global unit last Friday (running 12.0.1) and I feel like I'm seeing a similar thing. Wanted to see what other users were averaging for screen on time. Is around 5hours of SOT with 120Hz and WQHD+ enabled decent?
Click to expand...
Click to collapse
I did, bu flashing EU rom 5hours SOT with both options turned on is decent. And recharging the bat takes minutes

panda24z said:
Did you ever fix the issue with the high battery drainage? I got my global unit last Friday (running 12.0.1) and I feel like I'm seeing a similar thing. Wanted to see what other users were averaging for screen on time. Is around 5hours of SOT with 120Hz and WQHD+ enabled decent?
Click to expand...
Click to collapse
Same.. i am on global with 12.0.6.
Batt drain is very bad, overnight, from 100% at 1am to 88% at 8am.
i have scheduled batt saver to turn on.
i am getting average 4 to 5+ SOT with 90hz and wqhd,

If it would happen to me i would check every app behavior closely ( battery app and maybe a third party battery monitor like accubattery that i'm using ), see if i find anything suspicious and if nothing is out of the ordinary i would do a complete reset, reinstall again and if this doesn't work, install xiaomi.eu stable at the very least .
But that's just me
on a side note, on my china unit when i was on the 12.0 the experience was not so great...
As soon as the 12.5 update came i could see a major improvement.
So maybe have a bit more patience until 12.5 will launch for global versions as well, all tough china will always be ahead in terms of improvement...which leads me to xiaomi.eu, again.

Jhonxs said:
If it would happen to me i would check every app behavior closely ( battery app and maybe a third party battery monitor like accubattery that i'm using ), see if i find anything suspicious and if nothing is out of the ordinary i would do a complete reset, reinstall again and if this doesn't work, install xiaomi.eu stable at the very least .
But that's just me
on a side note, on my china unit when i was on the 12.0 the experience was not so great...
As soon as the 12.5 update came i could see a major improvement.
So maybe have a bit more patience until 12.5 will launch for global versions as well, all tough china will always be ahead in terms of improvement...which leads me to xiaomi.eu, again.
Click to expand...
Click to collapse
i had the 12.5 CN rom on the mi 10 ultra, it was bad, notifications were delayed or not coming in at all until i opened the app, like whatsapp.
it was working fine in 12.0
that is why i decided to go back to global rom

I don't know about mi 10 ultra but i can tell you that for me on the mi 11 ultra, it's very good.
Good luck !