yashsingh1/xdaforums huggingface dataset:
[Xiaomi Mi A2 / 6X Questions & Answers] bartoloandre98:
Yep they are not acknowledging the problem . First they boost about benchmarks and scores when they want but then they say we shouldn't believe apps such as cpuz/aida and memory reading apps. Tbh they don't care they release device every week.
[Xiaomi Mi A2 / 6X Questions & Answers] Reptant:
I have set the minimum frequency to the minumum values per core via kernel auditor and the bug hasn't appeared so far( 24 hours)despite using the FP to unlock phone. Also took some photos via HDR to see if it appears, and it doesn't. Hopefully it stays this way( Will report back )
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
We all know that editing the min frequency works. But this isn't a fix!
[Xiaomi Mi A2 / 6X Questions & Answers] Nebrassy:
FPC here, if i leave the phone it will lock anyway and won't brighten up even if I keep lifting my finger, fp does nothing for that
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
Found a new bug. If the phone is unlocked and you lock it via the power button and immediately unlock the phone with the fp sensor the phone wakes up really slowly.
[Xiaomi Mi A2 / 6X Questions & Answers] Reptant:
well, if only setting the minimum frequency once at startup( i have to guess that's how kernel auditor works, it doesnt monitor and re-set the value) fixes the issue, then the fix from xiaomi shouldn't be so hard to be implemented ( or just by flashing a stock kernel with set min freq)
[Xiaomi Mi A2 / 6X Questions & Answers] Ravenlll:
Yes, FPC and Goodix has different behaviour, because of different drivers.
[Xiaomi Mi A2 / 6X Questions & Answers] Nebrassy:
The fix for such an issue can be as easy as writing a script that checks what the minimum value is and set it back every 10 mins, if they're that lazy
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
Yes we all know that too. But the dev team sucks and don't believe cpu monitoring apps. So they will not fix this bug. Just stupid.
[Xiaomi Mi A2 / 6X Questions & Answers] Ravenlll:
This not a fix. This is peace of ****. Better to have no fix then have fix like this. The real fix is coming, I sure. Just need to wait. Yes, it is unacceptable. But you cannot buy device with such hardware for the same price. At least I don't know such device. That's why I like MiA2 and waiting for fix.
[Xiaomi Mi A2 / 6X Questions & Answers] Nebrassy:
Yes, but I wouldn't be surprised if that's their fix
[Xiaomi Mi A2 / 6X Questions & Answers] Ravenlll:
Lol. I hope it will not be fix-stuck-freq.sh. ?
[Xiaomi Mi A2 / 6X Questions & Answers] bartoloandre98:
Their fix is to buy Mi A3
[Xiaomi Mi A2 / 6X Questions & Answers] Lunatiic:
It'll probably have it's own bugs like screen brightness stuck at maximum or some weird sh*t that only xiaomi manages to pull off.
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
Screen light bleeding (like with the Poco f1) and they say it is normal xD
[Xiaomi Mi A2 / 6X Questions & Answers] strapabiro:
Giving a response like "we don't trust this and or that" proves clearly that they can't do anything about this bug ... They are like devs or wtf, imagine the hardware and sw tools they have ... They could like check it with a bouble click, unless xiaomi hires retards only. I could name a disease after Xiaomi in this actual state, nothing else.
[Xiaomi Mi A2 / 6X Questions & Answers] bartoloandre98:
Yeah they have only one developer who is a student intern working on mi a2 now
[Xiaomi Mi A2 / 6X Questions & Answers] juninhoak:
guys, i have bad news for yall, i talked with a beta tester in pvt, he show me some screenshot, the developers dont even consider this a bug, and the developers said we cant trust apps like CPU Z, and said to return the phone, soo, no fix for now guys, maybe in next few months
[Xiaomi Mi A2 / 6X Questions & Answers] Ravenlll:
Your information is old. It was true until today. When did you ask this? My little birds say to me that this bug is now taken into account by developers. Cuz this bug also occurs on Redmi Note 5, which sold in much bigger quantities.
[Xiaomi Mi A2 / 6X Questions & Answers] juninhoak:
"taken into account by developers. " its like, yah, maybe in news 2 ou 3 mouths we will see about it, now we are busy putting ads on miui
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
"into account by developers" means "we are telling them to do something so that they don't annoy us anymore"
[Xiaomi Mi A2 / 6X Questions & Answers] lordkelvinx:
Well, I do not know if it will solve or not, but all the help is welcome. I am sending a lot of feedback to Google (after all, we are talking about the Android One family) and I am trying to contact, call attention, any media or tech youtuber, here in Brazil where I live or outside. I think if we can get some media to release this Bug, it may be a little bit more pressure for Google and Xiaomi than just us on the forums, since unfortunately the average user is not here.
[Xiaomi Mi A2 / 6X Questions & Answers] juninhoak:
I just sold this junk phone, now I'm going to research which one I'll buy

any sugests?
[Xiaomi Mi A2 / 6X Questions & Answers] jblanco93:
Yes, go ask somewhere else

Enviado desde mi Mi A2 mediante Tapatalk
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
I like the Moto phones as an budget alternative. Huawei and Honor phones have the same trash software like xiaomi.

Not sure what Xiaomi think about not fixing bugs. So many users are returning there Mi A2 phones because of too many bugs.

I will give it the title "Best Bug Phone 2018"
[Xiaomi Mi A2 / 6X Questions & Answers] 0firuz:
To contribute: I've got FPC branded sensor and don't have the bug.
[Xiaomi Mi A2 / 6X Questions & Answers] deany76:
This thread was started 22nd August.

It's now early October, is there a reason why Xiaomi / Google haven't fixed it with a Software update?

Thanks
[Xiaomi Mi A2 / 6X Questions & Answers] akatsukiclan1:
They think isn't a bug and apps like cpu-z doesn't say the truth in their opinion
[Xiaomi Mi A2 / 6X Questions & Answers] lordkelvinx:
A member of the Xiaomi forum found the Google Bugs section and created a report for them. If you can enter the link, star and comment, it would be of great help. I have sent several feedbacks to google as well.

https://issuetracker.google.com/issues/117120625
[Xiaomi Mi A2 / 6X Questions & Answers] Nebrassy:
Don't comment, just star, and this will accomplish nothing, google has nothing to do with this phone, Xiaomi has all responsibilities including software
[Xiaomi Mi A2 / 6X Questions & Answers] lordkelvinx:
Well, some say that Google has nothing to help, others say that Xiaomi has no software responsibility, after all it is an Android One and the company does not profit almost anything with it, since neither the personalization of the device uses. I personally suspect that Google has something to do, it is a device that receives the system practically from it and in some advertisements they make it very explicit. After all, you can find several Android devices without the manufacturer's interface but that are not included in the One project. And I believe that any attempt is valid.
[Xiaomi Mi A2 / 6X Questions & Answers] Benjamin_L:
No, Software Updates are the responsibility of the OEM for Android one devices.
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
How it works is simple.

The OEM is forced by Google to have always the latest Security patch for at least 3 years. Also the OEM must provide 2 Android Upgrades. And the OEM is not allowed to change the Launcher. They can add apps but no change of the Launcher.

Also the OEM and Google. That's all. Google has totally nothing to do with the phones themselves.

If the phone is missing a security update or the Launcher was modified you can report it directly to Google. Hardware and Software bugs which are not related to the OS needs to be reported to the OEM.

Hardware related software bugs like we have in our mi A2 must also be reported to the OEM because stock Android is an OS and has in the first place nothing to do with any hardware like fp sensor, CPU, GPU etc.

The OEM modified the system to have all necessary drivers for the hardware.
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
So I reached out to Android Authority yesterday and today they posted a story about our problem in there page:

https://www.androidauthority.com/xiaomi-mi-a2-battery-life-909161/
[Xiaomi Mi A2 / 6X Questions & Answers] Lurensu:
Great, the news appeared in my country's android websites as well, thanks
[Xiaomi Mi A2 / 6X Questions & Answers] ushoda:
another article about this issue! and now in phonearena https://www.phonearena.com/news/Xia...d-Mi-A2-is-getting-poor-battery-life_id109482
[Xiaomi Mi A2 / 6X Questions & Answers] :
We need to get a fix from Xiaomi

Is there a temporary fix for that?

Disabling the fingerprint didn't work.
[Xiaomi Mi A2 / 6X Questions & Answers] akatsukiclan1:
Disabile and restart your device
[Xiaomi Mi A2 / 6X Questions & Answers] sirjohnrl:
They have marked this bug as "Working on it" now.

Does that mean we will have a fix soon?

https://en.miui.com/forum.php?mod=viewthread&tid=3985261&extra=&highlight=mi+a2+frequency&page=1
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
Not really. All the other bug reports are still on "need more information".
[Xiaomi Mi A2 / 6X Questions & Answers] vsg24:
WRONG. Google already assigned a staff member to investigate this issue. I suggest everybody to go over there and confirm the bug.

https://issuetracker.google.com/issues/117120625
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
It's only assigned. That doesn't mean anything as long as the bug isn't verified.
[Xiaomi Mi A2 / 6X Questions & Answers] Inpain:
When i run CPU-Z all the readings are normal except for one, top of the SoC page it says Qualcomm SnapDragon 636 2.21GHz ... but down under it it says SDM660 ... is this a bug ??
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
SDM stands for SnapDragon Mobile platform.
[Xiaomi Mi A2 / 6X Questions & Answers] Inpain:
Thank you for the response, but what i meant was, isnt it supposed to show SnapDragon 660 at the top and not 636 ???
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
No. The Mi A2 has a Snapdragon 660

---------- Post added at 09:49 PM ---------- Previous post was at 09:46 PM ----------

No I know what you mean. Yes it's a bug. Ignore the top description.
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
Confirming the bug on a Xiaomi Mi A2 (4GB/64GB Black) with a Goodix sensor. Disabled the FP and rebooted, this temporary fixed the issue. Let's hope more visibility makes the Xiaomi devs take the issue seriously.
[Xiaomi Mi A2 / 6X Questions & Answers] pgkane:
Sorry for the dumb question, but where do you go in settings (or apps?) to see which fingerprint sensor you have your A2?

Thx in advance for your help.
[Xiaomi Mi A2 / 6X Questions & Answers] S /\ E E D:
*#*#6484#*#*

Next time use search function!
[Xiaomi Mi A2 / 6X Questions & Answers] pgkane:
Thanks for the quick reply!

I tried following your excellent advice which at times is so easy to give.

In the search bar I entered in "how to find out which fingerprint sensor I have", "locate fingerprint sensor", "which fingerprint sensor so I have" etc etc etc.

All came back with a big fat 0.

So, in order to educate me on how to search and actually get results in this particular case, how should I have searched to get the answer I need?
[Xiaomi Mi A2 / 6X Questions & Answers] DiesFrae:
For me the first thing in how to search is not writing "how to" for instance you could write "Xiaomi fingerprint model" instead of model write "chipest" or "type" or for instance write "Know your fingerprint sensor model" .. i think you get what i mean right?

---------- Post added at 07:07 PM ---------- Previous post was at 07:06 PM ----------

How much screen time do you get now? Also what's your brightness settings?

---------- Post added at 07:09 PM ---------- Previous post was at 07:07 PM ----------

How much screen time do you get now? Also what's your brightness settings?

---------- Post added at 07:09 PM ---------- Previous post was at 07:09 PM ----------

How much screen time do you get now? Also what's your brightness settings?
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
I have no idea to be honest, I didn't even notice the issue at first since I'm usually with the phone connected to my laptop during the day and I'm not an avid smartphone user while on the go. It was my mom who noticed the quick battery drain on her A2 (4GB/64GB gold, Goodix FP).

I'm usually with 55% adaptive brightness, will try to timer my screen time from now on.
[Xiaomi Mi A2 / 6X Questions & Answers] borciolli:
I can confirm that devices with FPC sensor are not affected, as you can see below. They're not stuck at max freq.

https://imgur.com/a/b01FPEd
[Xiaomi Mi A2 / 6X Questions & Answers] pack21:
As you can verify, the days, weeks, months, are passing and the fix for the issues doesn't appear. :angel:
[Xiaomi Mi A2 / 6X Questions & Answers] AsItLies:
In cases like this, when your results for something specific turn up empty... think big picture:

Xiaomi phone how to check what hardware I have?

Boom.
[Xiaomi Mi A2 / 6X Questions & Answers] mark.dx:
I just gave up with the FP sensor and using face unlock instead until Xiaomi fixes the issue. Got Battery Life 24 hour with SoT 5-6 hour for daily driver without using the FP sensor.
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
I sign off of here. Have my new phone and I'm glad that I don't have the Mi A2 anymore. I hope for you that xiaomi will fix this bug and the others bugs ofc too.

But from what I heard about the Redmi Note 5 (released February 2018 / still no fix for the fp bug) and the same problems I wouldn't bet on it.
[Xiaomi Mi A2 / 6X Questions & Answers] mab71:
Guys.. Which model uses the FPC FP sensor? How to know before buying?

---------- Post added at 07:25 AM ---------- Previous post was at 07:24 AM ----------

What phone did u get?
[Xiaomi Mi A2 / 6X Questions & Answers] ckpv5:
Don't know if anyone in Malaysia bought MY Set has other FP sensor as both of my devices Mi A2 (6/128) and Redmi Note 5 AI (4/64) have FPC .. so no FP bug.

How to know ...

Dial *#*#6484#*#*

Select item no. 31 .. you'll see what FP sensor that device has.

On Redmi Note 5 AI .. item no. 33
[Xiaomi Mi A2 / 6X Questions & Answers] mab71:
How's yr mi a2?any other issues in particular? Thnx for yr reply btw
[Xiaomi Mi A2 / 6X Questions & Answers] ckpv5:
It's running great and I really enjoy it.

The only bug that I can remember is the location icon on status bar remains after you switch off GPS, happens on Global stable release.

Since I'm on Beta 8.9.20, no such issue.
[Xiaomi Mi A2 / 6X Questions & Answers] Mixz1890:
Hmm, does Mi 6X have the same frequency bug as the Mi A2? Because I haven't found anything and if it doesn't have it, they have fixed it somehow for that phone or mi 6x only uses fpc sensors in which case you could easily buy one and swap it out
[Xiaomi Mi A2 / 6X Questions & Answers] rcstar6696:
Yes it has the Same issue i have mi6x with goodix Sensor
[Xiaomi Mi A2 / 6X Questions & Answers] alfat696:
redmi note 5 ai has the same bug
[Xiaomi Mi A2 / 6X Questions & Answers] HKShooter:
At the moment, we can only remove all the fingerprint records and use other unlock methods.
[Xiaomi Mi A2 / 6X Questions & Answers] Nebrassy:
It's on the XDA portal

https://www.xda-developers.com/xiaomi-mi-a2-massive-battery-drain-fingerprint-sensor-bug/
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
These are the results of today, two Mi A2 with very different usage (both with the FP sensor disabled).

66% dynamic brightness

55% dynamic brightness
[Xiaomi Mi A2 / 6X Questions & Answers] Lunatiic:
To all of you annoyed by this issue. I created a new bug report on the miui website with more information than previous reports, so that developers don't mark this thread as "Need More Information". I've attatched a buglog and analyzed it myself, noticed an error that wasn't showing up before the bug happened. Please go to the link down below and "Confirm" the issue.

http://en.miui.com/thread-4114089-1-1.html
[Xiaomi Mi A2 / 6X Questions & Answers] nyssss:
The problem has already been reported on multiple thread, the popular among the all is http://en.miui.com/forum.php?mod=viewthread&tid=3625494
[Xiaomi Mi A2 / 6X Questions & Answers] Lunatiic:
It has been flagged as "Need more information" and then ignored by devs. I created another one with all the information they have asked for.
[Xiaomi Mi A2 / 6X Questions & Answers] carloandreaguilar:
I JUST rooted it in order to lower the frequency manually, but how do I do that without an app? did you do it via file explorer? wont each new boot override that tho? wont that modify system and break ota?
[Xiaomi Mi A2 / 6X Questions & Answers] SirMorokei:
http://en.miui.com/thread-3625494-1-1.html is now "under discussion".
[Xiaomi Mi A2 / 6X Questions & Answers] DiesFrae:
I have thing, one time the battery life is good and another it's really bad. I think there is something bigger going on.
[Xiaomi Mi A2 / 6X Questions & Answers] Lurensu:
I suggest you to use an app called "Kernel Adiutor".

After a reboot, go to the app and manually change the min frequenies (if they're already low you can bring them up and then back down). In my case it's important to do it MANUALLY, if i change them automatically the bug still comes back
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
Do you mean that in your case the battery drain seems to be variable form day to day? The only real difference I have noticed (with other phones too) is the huge hit on the battery of a poor cell coverage.

Anyway, now with the FP sensor disabled I can leave the phone overnight to find it in the morning with only 3% less battery, before it was more like 20-25%, huge difference (note that I have auto updates disabled, so no funny business going on when left unattended).
[Xiaomi Mi A2 / 6X Questions & Answers] :
*#*#64663#*#* in phone app then run the following sensor tests and it should disable it
[Xiaomi Mi A2 / 6X Questions & Answers] carloandreaguilar:
Awesome. That's what I did. Lol. Thanks. I didn't know if that was enough, it seemed like it wouldn't be. Thanks for the quick reply!!

I'm now thinking of maybe converting to MI UI10 until this gets fixed or until pie.
[Xiaomi Mi A2 / 6X Questions & Answers] carloandreaguilar:
Status is now "assigned"

https://issuetracker.google.com/issues/117120625
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
It has been this way for a few days now...
[Xiaomi Mi A2 / 6X Questions & Answers] carloandreaguilar:
Status of this bug is now "assigned"

https://issuetracker.google.com/issues/117120625
[Xiaomi Mi A2 / 6X Questions & Answers] Benjamin_L:
Why do you post this again? Also this has already been mentioned...
[Xiaomi Mi A2 / 6X Questions & Answers] carloandreaguilar:
Posted twice by accident. I thought a few days ago it was "under revision" or something along those lines
[Xiaomi Mi A2 / 6X Questions & Answers] MarianoGarcia84:
My phone have FPC, no Goodix.. but the min freq stucks at 1401 MHz the little cpu. The normal min freq is 633 MHz.
[Xiaomi Mi A2 / 6X Questions & Answers] lordkelvinx:
They replied in the MIUI forum that they reproduced the problem and reported it to Qualcomm, according to them, Qualcomm is working on the problem.

#hope
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
Woah good news, they acknowledged it! :good:
[Xiaomi Mi A2 / 6X Questions & Answers] Kaman3:
Where did you saw that?

Thanks
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
https://en.miui.com/forum.php?mod=viewthread&tid=3625494&page=40#pid31329383
[Xiaomi Mi A2 / 6X Questions & Answers] Mixz1890:
huh...Im suprissed it is Qualcomms fault. Does no other device on market use Goodix sensors? Only Xiaomi phones?
[Xiaomi Mi A2 / 6X Questions & Answers] strapabiro:
Louis Rossman on YouTube, at some point says the cpu has a "strong bond" with the fp reader (imagine someone stealing your phone and swapping the fp reader). On the other hand I'm glad the bug is getting sorted, ironic for xiaomi that the bug surfaced on google and independent media (these two are banned and or strictly controlled in China).

Now that they are in Europe officially, I'm grabbing some popcorn and waiting for a lawsuit from Apple for this shameless iPhone copy thing. If the folks learn to behave here and the budget pixel gets cancelled, they might have a bright future on stock Android.
[Xiaomi Mi A2 / 6X Questions & Answers] lordkelvinx:
I'm a layman on this subject, but I believe that if there is a connection between the processor and the sensor, it is done by a driver, which may or may not be solved by Qualcomm. After all, it provides several drivers to the manufacturers, this can be included. If I'm wrong please someone correct me, because at this point I understand very little.
[Xiaomi Mi A2 / 6X Questions & Answers] AsItLies:
It's common for OEM's and hardware mfg's to go back and forth on things like this. It happens a lot. Yes the various hardware components 'talk' to ea other via drivers etc. Also the HAL implementation (part of project Treble) adds another layer of complexity. I'd bet at this point Xiaomi believes their 'parts' of this are doing as they should and that the problems are Qualcomms. And they may be spot on! No one knows for sure at this point.

For us end users, we have to hope that this is elevated to a high status so it gets fixed quickly, no matters where (or who) the actual problem lies with.
[Xiaomi Mi A2 / 6X Questions & Answers] Ind33d:
I have Mi A2, 6GB/128GB variant

ROM 9.6.13.0 Sept latest update

Fingerprint sensor FPC ; already disabled and restarted phone

And I still facing battery drain heavily.

100%->15% around 4-5 hours phone not always in use

Just mobile data always active and sometimes checking WhatsApp message.

Checking with CPU Z, last four cores always at 2208MHz.

The first four cores varies between 633MHz - 1843MHz

I doesn't have battery drained like this on previous 9.6.10 Aug patch.

And I am typing this message with 5% battery usage :eek:
[Xiaomi Mi A2 / 6X Questions & Answers] ilgreco112:
Is there anybody who doesn't have the problem ? lol
[Xiaomi Mi A2 / 6X Questions & Answers] AsItLies:
I don't.

No idea why. It's an FPC sensor, use it to unlock all the time. But also, I don't stay connected, to anything. Not wifi, bluetooth, phone or phone data (turned off permanently). I turn these radios on to check things; messages etc, but then it's all off. Battery saver on, screen off.

Also, numerous apps have been disabled with adb (adb shell pm uninstall -k --user 0 ...), no chrome, to text to speech, etc. Basically anything I don't use, it's disabled.

Why does that work? sheeeesh, I wish I knew, but I've never had a race condition. With the way I use my phone, I get days and days on a charge.
[Xiaomi Mi A2 / 6X Questions & Answers] Mixz1890:
I don't. I have the FPC sensor and all my cores hit minimum speeds at idle
[Xiaomi Mi A2 / 6X Questions & Answers] bartoloandre98:
I have a feeling they just washed their hands and dumped the matter on Snapdragon.Now we keep waiting for fix till end of the universe
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
We could ask Qualcomm for comments, if they respond and deny the issue it is gonna be a bad stunt from Xiaomi.
[Xiaomi Mi A2 / 6X Questions & Answers] ilgreco112:
let's do this !
[Xiaomi Mi A2 / 6X Questions & Answers] maakkan:
There might be a posssibility that a batch of faulty Qualcomm chip's cause this problem. If it is a software related or driver related issue, all the handsets should have been affected. :confused:
[Xiaomi Mi A2 / 6X Questions & Answers] otousama:
I've sent a request to Qualcomm PR department, let's see how it goes.