Fingerprint scanner not working - Option not in settings - Xiaomi Mi Mix 3 Questions & Answers

Before doing the latest update to the Mi Mix 3, my fingerprint scanner stopped working, didnt even try to scan. I rebooted and no help.
After that I updated to the latest system, then rebooted and not only does it not work now, in settings the option has completely gone, only face scan shows.
I have pin protection on my phone.
Any ideas on what could cause this?

I have performed a full hard reset and unfortunately the issue persists. https://imgur.com/jDm25mU

What is the device status? Unlocked, rooted, what version of MIUI? try reflashing latest MIUI update via MI Flash, normally this should fix it.

catalindobre said:
What is the device status? Unlocked, rooted, what version of MIUI? try reflashing latest MIUI update via MI Flash, normally this should fix it.
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Click to collapse
It was latest MIUI, stock with no unlocked boot loader.
I contacted Xiaomi and they told me to RMA it, which I have done and new one arrives later this week. Fingers crossed the issue does not occur again

let's hope it turns out good in your case! to me it happened on Mi8 when got from Global Stable to Xiaomi.EU and went back to Global. Then only solution was to flash via MI Flash the latest firmware again which solved it. But yours is another storyline.

Try changing your region in settings. My device had a similar issue and the fix was to change the region.

Related

Fingerprint scanner not working after initial xtrestolite root and flash

A few months back I flashed xtrestolite to my g920i and have since flashed odex, deodex and several aroma versions in different combinations. Since the initial flash the scanner has not worked. Currently using the latest unikernal, though was using a different one when I first flashed. TWRP latest too.
I was wondering if someone could give me some in site weather it's hardware coincidence or a driver not loading or something.
When I try *#0* and try the sensor test I see "unfortunately, hwmoduletest has stopped working"
Trying to utilise the scanner will always show "an error has occurred with the fingerprint sensor, if this message appears repeatedly please restart your device" though restarting has never worked.
I have not tried going back to stock as my carrier rom is 5.0.2 still.
Could someone please lend me some in site as to what might be causing this?
Thats because you're using 5.0 bootloader on 5.1 rom. You either have to wait until your carrier releases 5.1 so you can flash 5.1 bootllader or downgrade rom to 5.0.
Where you ever able to fix this problem? I am having the same problem! Thanks
gmata007 said:
Where you ever able to fix this problem? I am having the same problem! Thanks
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Click to collapse
This is a problem associated with not updating bootloader. When you update to 5.1.1, you have to update your model specific bootloader to 5.1.1.
Rakcoon said:
This is a problem associated with not updating bootloader. When you update to 5.1.1, you have to update your model specific bootloader to 5.1.1.
Click to expand...
Click to collapse
Do you mean this?
http://forum.xda-developers.com/showpost.php?p=60112855&postcount=3
Because I tried that with no luck.
gmata007 said:
Do you mean this?
http://forum.xda-developers.com/showpost.php?p=60112855&postcount=3
Because I tried that with no luck.
Click to expand...
Click to collapse
Can you provide me with more info, country, model?

Update Issue?

Just wondering if anyone had a fix or explanation for my situation. I Received an update on the Blu Vivo 5R this Friday, Android 7.0. Then in the process today of unlocking the bootloader and flashing twrp, it got screwed up. so I downloaded the stock rom and flashed it, no biggie. fixed the boot freeze issue. but now I'm back to 6.0 because that was the most up-to-date stock rom. I tried checking for updates, supposedly I'm up to date. I even called Blu support to see if they could push it to my IMEI or something with no luck. they said they release it in batches and the software team deals with that, anyone know a way I could resolve this
You can try manually setting the date ahead a few days and reboot, sometimes that will bring an update.
Char_G said:
You can try manually setting the date ahead a few days and reboot, sometimes that will bring an update.
Click to expand...
Click to collapse
Didn't do anything, thanks for the quick response though.

Error "Fingerprint Hardware Not Available"

Anyone else experience this? It happened after upgrading magisk, then reflashing dtbo and re patching with an earlier version of magisk.
Fingerprint gestures still works inside the OS. And when I try to register a new fingerprint, it reads my finger up until the last "read" then throws an error that the fingerprint registration has failed.
I actually have had this error, wifi also stopped working. It's something to do with Flash Kernel and the current way we have to be unlock. If you flash a stock kernel or the modded one with safteynet pass it should go back to normal.
Thanks for the reply, I wiped and started over before I saw your reply. Next time I'll try the OEM kernel first!
Anyone still having the issues with Fingerprint Hardware and Wifi after updating Magisk and flashing a new kernel? I updated Magisk to 15.3 today and also tried flashing Flash Kernel, and I can't get Wifi or fingerprint to work. Have tried flashing back to the Stock+Safetynet Pass Kernel, but still having the same issues.
I just received this error this week.
So, I should just flash stock firmware and it should be good?
Same description: fingerprint won't unlock/verify, but the gestures still work within the OS. Very annoying.
I had to flash a factory image to fully wipe in order to fix this error.
Swiftkey might be the issue
On mine -- Swiftkey was the culprit. Try removing Swiftkey.

After the last update, the touch screen no longer works inside the twrp recovery.

After the last update, the touch screen no longer works inside the twrp recovery, someone already had this problem and resolved? I can not use the twrp porq n anymore how to mark anything, not even to slide on the screen
Try otg+mouse and flash new twrp
I'm going through the same problem, I can not use anything. MIUI10 Global 9.3.21 9.0. I am using Twrp 3.2.3.1.
deniloo said:
After the last update, the touch screen no longer works inside the twrp recovery, someone already had this problem and resolved? I can not use the twrp porq n anymore how to mark anything, not even to slide on the screen
Click to expand...
Click to collapse
I can CONFIRM that after upgraded to MIUI10 with Android Pie ALL TWRP versions (Official and non-Officials) seems to stopped working.
Already reported on XDA-Developers, Mi Global Forum and GitHub.
None fix yet,

POCO X3 NFC stuck on MIUI 12.0.8.0 Android 10, can't seem to update

Hi, wondered if someone could help. I have just got my phone back from the repair shop and it has been factory reset, which is fine, but it has now got an out of date OS etc on.
I've tried downloading all sorts of ROMS from the xiaomifirmwareupdate page, and it just keeps failing whichever I choose. Wondered if one of you clever souls can help?
Many thanks!
Try to flash the latest MIUI via MiFlash-Tool...
My wife had the same problem => now latest MIUI is running on her phone.
SmartJuwel said:
Try to flash the latest MIUI via MiFlash-Tool...
My wife had the same problem => now latest MIUI is running on her phone.
Click to expand...
Click to collapse
Hi thanks I run the tool yesterday but it told me I have to wait 128 hours
Hello,
Same problem here.
I updated my X3 NFC EEA as soon as updates went out, so I'm on latest (12.5.4 R).
My wife didn't update and now she's stuck on 12.0.8.0Q.
I understand I could update with Mi Flash Tool, but doesn't it require to unlock device for fastboot (and then need to wipe) ?
tbh, you're all not stuck with 12.0.8.0. eventually you'll get the update. because not all phone/device got the update at the same time. some device got the update and some others not yet, i think you just need to wait
youl_junior said:
Hello,
Same problem here.
I updated my X3 NFC EEA as soon as updates went out, so I'm on latest (12.5.4 R).
My wife didn't update and now she's stuck on 12.0.8.0Q.
I understand I could update with Mi Flash Tool, but doesn't it require to unlock device for fastboot (and then need to wipe) ?
Click to expand...
Click to collapse
I think it does, but sod it, going to try anyway
Syfer_Fever said:
tbh, you're all not stuck with 12.0.8.0. eventually you'll get the update. because not all phone/device got the update at the same time. some device got the update and some others not yet, i think you just need to wait
Click to expand...
Click to collapse
I hope you're right, as Xiaomi doesn't roll out updates for everyone at same time, but 12.0.8.0Q is pretty old (february).
beastwez said:
Hi thanks I run the tool yesterday but it told me I have to wait 128 hours
Click to expand...
Click to collapse
You mean the bootloader-unlock-tool, right?
SmartJuwel said:
You mean the bootloader-unlock-tool, right?
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Click to collapse
I did. I tried it again just now, it says wait 96 hours grrrr
best bet is to keep trying the updater every few hours . im on the latest version now and not once was i notified of an update , just kept checking . also try clearing the updaters cache / data , i remember that tip from my note 5 days lol
I confirm. My device is Poco X3 Indian (Non-NFC. Karna codename). Software stuck v12.0.10.0 and last update time is April. I cant flash any roms. I must wait unlock the bootloader.

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