Fingerprint not working after some time the screen is locked - Redmi Note 8 Questions & Answers

I have gingko. I flashed Evolution X and this is the first rom I flashed for this phone.
Fingerprint works in apps that require it. It also works after locking the screen. However, maybe after a minute of lock, neither face lock nor fingerprint work. Only PIN works. I tried locking and waking up to check both locks. Only PIN works.

MrMuffins5951 said:
I have gingko. I flashed Evolution X and this is the first rom I flashed for this phone.
Fingerprint works in apps that require it. It also works after locking the screen. However, maybe after a minute of lock, neither face lock nor fingerprint work. Only PIN works. I tried locking and waking up to check both locks. Only PIN works.
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I do not recall exact terms but there is two level of screen-locking , as I remember there are: administration and root level.
One of them prevents the face recognition and finger print to open the device after get locked by that.
I know that it isn't a solid answer, but I hope it would be a clue.
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I reflashed and they worked both. Maybe their was a setting remotely related. I will be taking notes of the settings changed and see if they affect the lock.

Related

Do you use a secured lock screen?

So what's everyone using for locking or maybe not locking their phone? Currently I haven't been using any security. Tried the fingerprint scanner for a day and it worked pretty good but when I'm out, if my phone isn't in my hand, it's in my pocket. But I know some people live by a secure lock screen. Everyone using the new fingerprint scanner or another method? Just curious.
Just the swipe action here. I'm like you. I never set my phone down. I've had swipe only on every smart phone I've had to far. I did install a PIN lock while I was in Europe for 2 months though.
I was in a car accident two weeks ago. I was a passenger in a car that hit a semi. During the accident, I dropped my phone, however, due to the driver being an idiot, the po po wouldn't allow me to retrieve my phone because they confiscated his car. (I was taken by ambulance.) Needless to say, I had some pictures on there that I would prefer for others not to see. My battery died by the time I got released from the hospital so I couldn't do a remote wipe. I didn't have my phone locked.
Lesson learned, encrypt and lock. LOL Oh, and if you get in the car with a friend, ask to see their license and insurance before getting in the car. Ugh.
I use one myself. There are some cool apps for this. If you value your information then this option is a must.
Yes, I use Tasker to automatically lock my device with a secure password once my watch is not paired with it and remove the password when it is. Got too used to trusted Bluetooth with the Droid MAXX that typing a password every time was bothersome.
Fingerprint Scanner Lockscreen ftw
kartkid said:
Fingerprint Scanner Lockscreen ftw
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+1 I like my phone private, especially if lost or stolen. :good:
Lock Times w/Tasker
I used fingerprint for about 5 days and found it fails too many times. Maybe my fingers are too dry?
You really should have your phone locked, I believe it's more important then screen protectors or cases.
I use PIN lock and Tasker w/Local Password Lock Plug-in
This allows me to set my password to activate at different times depending on what WiFi I'm connected to.
I set at Home WiFi to not lock for a much longer time. I set work for a Mid amount of time. I then have an exit task attached to both that set it to lock at a faster time when away.
rusty.gh said:
I used fingerprint for about 5 days and found it fails too many times. Maybe my fingers are too dry?
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I am using fingerprints too, and I'm having problems getting it to register my prints. It usually takes at least 2-3 times, sometimes more to get it to work. I do have a dry skin condition, and I am wondering if the dry skin makes it harder to recognize prints.
LakersEB said:
Yes, I use Tasker to automatically lock my device with a secure password once my watch is not paired with it and remove the password when it is. Got too used to trusted Bluetooth with the Droid MAXX that typing a password every time was bothersome.
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yeah I've tried a couple apps to do this but nothing works. Ideally, if I do use a secured lock screen, I'd like to use the fingerprint scanner. So basically when at home, no lock screen. Then as soon as my home wifi disconnects, fingerprint scanner lock screen. Any ideas?
tu3218 said:
yeah I've tried a couple apps to do this but nothing works. Ideally, if I do use a secured lock screen, I'd like to use the fingerprint scanner. So basically when at home, no lock screen. Then as soon as my home wifi disconnects, fingerprint scanner lock screen. Any ideas?
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Unfortunately I couldn't find anything in my short time looking. I almost always have my watch, so decided a password was good enough when it disconnects. Let us know if you find anything.
Try SkipLock works great I have it set for when connected to home network, Bluetooth in car or connected to my gear 2 no lock. Otherwise my fingerprint scanner is on.
In the past I rarely used any type of lock screen security, but after trying the fingerprint scanner, I now have that enabled on my phone.
I hate entering a code everytime is turn my phone on. I use "Where's MyDroid" or Cerberus to lock my phone via text message if it's lost or I forget it somewhere. They also take a picture if someone enters the wrong lock code.
Sent from my SM-N910V using XDA Free mobile app
MrWicked1 said:
Try SkipLock works great I have it set for when connected to home network, Bluetooth in car or connected to my gear 2 no lock. Otherwise my fingerprint scanner is on.
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I like SkipLock alot so far(doing the 7 day trial). My only question is, how do you get it to use the fingerprint reader instead of a pin/password. Im not seeing that option anywhere. TIA!
I used to always use the pattern lock but grew tired of it and I am very happy we have the fingerprint scanner now. The only thing I need to do is decide whether the Google device wipe & location feature is enough or whether I need another third party app in the event that the phone was lost which has never happened.
Isun said:
I used to always use the pattern lock but grew tired of it and I am very happy we have the fingerprint scanner now. The only thing I need to do is decide whether the Google device wipe & location feature is enough or whether I need another third party app in the event that the phone was lost which has never happened.
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Sammy has one built in if you decide you wanted to go another route other than google's
mademan420 said:
I like SkipLock alot so far(doing the 7 day trial). My only question is, how do you get it to use the fingerprint reader instead of a pin/password. Im not seeing that option anywhere. TIA!
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Good question and ditto that here. Trying it out myself. :good:
How to use with Fingerprint Unlock?
lazer9 said:
Good question and ditto that here. Trying it out myself. :good:
How to use with Fingerprint Unlock?
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You can just go to Settings abnd under 'Device' hit Lock Screen/Screen Lock/Fingerprint
---------- Post added at 02:58 PM ---------- Previous post was at 02:55 PM ----------
Thanks mademan420. I'm looking into it now and will compare with the third party options. I don't see how I would ever lose my phone but they say you should never say never so I want to cover all grounds.
mademan420 said:
I like SkipLock alot so far(doing the 7 day trial). My only question is, how do you get it to use the fingerprint reader instead of a pin/password. Im not seeing that option anywhere. TIA!
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Click to collapse
You set your fingerprint reader lockscreen with a backup password then open SkipLock and make sure you made SkipLock a admin. Then open the settings in SkipLock type in your password for the lockscreen under the set pin section.

Is the fingerprint sensor work well with you ?

Hi guys and first of all, sorry for my english )) Gonna try to do my best !
Well, i have the Mi 5s since 1 week and it works very well except for one thing : the fingerprint sensor...
I put my both thumbs and forefinger in the security setting (and i recorded two times my left thumb) and even with 2 records, it doesn't work very well (and with the other finger, it's completely crappy, sometimes i can try 10 times in a row but it doesn't work).
I'm the only one with this problem ? Do you know a way to fix it ?
Thanks in advance
EDIT : Working* in the title, one mistake again
Unlock speed is pretty decent. But doesn't work as well as I like. Sometimes the sensor just refuse to work no matter how many times I try and I have to manually unlock it
Mi5s Plus is faster than Mi5s
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same problem... It worked fine on stock rom but its been hit and miss ever since installing EU rom
Same problem here .. checked with different persons. The recognition rate is not good. I'm using a gearbest version.
schiff, do you use original rom or custom (international)?
Seen a lot of reviews mentioning the sensor doesn't work 100%.
Well I think it's very important how you read in your fingerprints. Because at the beginning it didn't work well too and the false rate was very high.
But then I calmly added the fingerprint again and now it works in 9/10 times. (I also used the trick to add the same finger 2 times).
What bothers me more is that the sensor sometimes seems to need time, if you want to unlock directly after you just closed the display or it failed once to recognize.
Btw I'm on official rom.
patoberli said:
schiff, do you use original rom or custom (international)?
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I am using V8.0.10.0.MAGCNDH (MIUI8) but this version is international with German I'm not sure if this is official or a custom gearbest version. But at least it's the same version number like the official at mi download.
My next step is to check with adding same finger a second time.
I think I read somewhere that the problem isn't the hardware but the software so we could expect a patch that will improve the performance of the fingerprint scanner dramatically in the future
schiff81 said:
I am using V8.0.10.0.MAGCNDH (MIUI8) but this version is international with German I'm not sure if this is official or a custom gearbest version. But at least it's the same version number like the official at mi download.
My next step is to check with adding same finger a second time.
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If it has a different language than either Chinese or English, it's a custom rom and not the official rom. That means it could use a bad driver for the finger print sensor (so far only people with custom roms complain about precision).
Received mine today and played around a bit with the reader. So far it's working really great and unlocks very fast. I have official rom installed.
I have thé same problem. Before i have mi5 and now mi5s le fingerprint not work like mi5. I'm on xiaomi.eu ROM.
I hope on next weekly the problem are fix.
For me it unlocks reliably and is very fast, but nearly every time the lockscreen flashes up just before it unlocks. Pretty annoying. Also if i hold my finger on for just slightly too long it registers that as a press of the home button and closes whatever app I had open. I'm on the xiaomi.eu rom so it could just be that, hard to say.
My opinion is that the sensor registers a small portion of the finger and you will have to do some tests to see how you usually hold the phone when unlock to see what portion of finger use in general.
After several attempts I managed to get a set of fingerprints that unlock the phone 9/10.
Also some times the sensor refuse to work, and I am forced to use the password , but I cant find any related problem that cause this behavior .
Compared to the sensor from my wife Redmi 3S its worse
You need to enter the password if the phone reboots typically. Also I suggest to learn the finger twice, that can also help a lot for unlock. Learn it like you hold it for typical unlock.
This is a problem with recording fingerprints
Do not force the fingerprint sensor to record fingerprints
Recording pressure fingerprints can cause fingerprint distortion and not out
When you record a fingerprint, try to place it on the fingerprint sensor as lightly as possible
Use your thumbs to record fingerprints from multiple angles
Record a big thumb twice
Touch to light only when unlocked
A little bit of pressure on the fingerprint sensor will unlock
I use GOOGLE translation to Chinese into English
I hope to help you
Initially I recorded my fingers with light pressure, but it was working unreliably maybe because glass feels very slippery so you cant keep your finger still on same spot. Maybe. Then I repeated the procedure with a normal/moderate press - not hard, but enough so that my finger covers much of the sensor. Now it's whole lot more reliable. In the odd times when it does fail (usually my fault for placing my finger oddly on the sensor) I just lift the finger and press again and voila I'm in.
After the initial fail I felt this fingerprint thing is more or less of a gimmick that's unreliable enough to not use it. But after rerecording I'm now very pleased as it's now as if my phone isn't locked. It's just fast and reliable.
I did notice that the first time after a reboot you have to enter your pass/pin/pattern and will start using fingers afterwards.
I purchased the phone from gearbest who flashed an unofficial rom. The fingerprint doesn't work as expected, locking and suddenly unlocking the phone. After flashing the xiaomi.eu rom, bang! problem solved.
In my experience if you fingerprint works badly it's a software problem
chswoei1974 said:
I use GOOGLE translation to Chinese into English
I hope to help you
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I'm really impressed at how well google translator works from Chinese to English!! Or did you do some corrections afterwards?

Slower unlock with Fingerprint on Custom Roms?

Hi there,
did anyone notice this? Compared to Stock (OOS), the fingerprint scanner on any Custom Rom I've tested so far is quite slower. Maybe not the detection of the fingerprint, but the unlock itself, maybe it has like a 1000ms delay that can be set to 0 ? It bugged me for a while now but I couldn't find any settings on this.
Currently on ResurrectionRemix-N 5.8.0-2016-12-18.
I doubt an update to the very newest version will help though, as I already had this problem since my first custom rom on this device (which wasn't even RR).
Seems like custom roms sometimes take a second to activate the fingerprint scanner, there's been times I went to use it and it clicked like I pressed home. Have to swipe up to get to the pin input screen then usually that works. Guess we'll see if it's the same on lineage when I get around to flashing that after work
Sent from my ONEPLUS A3000 using Tapatalk
Im also facing the same issue .i have fpc fp i dont find any solution yet

Face Unlock bug

Hello,
I have a problem with face unlock, it doesn't work well. After I set it up, it works for 5 minutes, than stops working.
In the lock screen there's no face icon, just the fingerprint, like I've never memorized my face.
Then, if I open again the face unlock menu, and improve my face recognition, it starts again to work, but as written up, just for a couple of minutes.
Running latest Pie stock rom.
Anyone with a similar issue?
Valeriuz said:
Hello,
I have a problem with face unlock, it doesn't work well. After I set it up, it works for 5 minutes, than stops working.
In the lock screen there's no face icon, just the fingerprint, like I've never memorized my face.
Then, if I open again the face unlock menu, and improve my face recognition, it starts again to work, but as written up, just for a couple of minutes.
Running latest Pie stock rom.
Anyone with a similar issue?
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I have exactly this problem. I have no idea...
Skickat från min Pixel 2 XL via Tapatalk
Probably your beard grows too fast...
I have the same problem.
Do you know if there's a way to report bugs to Google?
Valeriuz said:
Hello,
I have a problem with face unlock, it doesn't work well...
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Hello, did you find a solution to this problem? I have the same problem and I can not solve it

Question fingerprint sensor doesn't work

i recently tested custom roms... and rooted my p6p but somehow the fingerprint reader doesb't sense my finger when it's in lockscreen and only work after i wake the phone up... anyone has ideas what's causing it?
Restarting your device can fix some minor issues like unstable Wi-Fi, a frozen program, or a faulty fingerprint sensor. So the best solution for your fingerprint sensor might be to reset it.
jack lamters said:
Restarting your device can fix some minor issues like unstable Wi-Fi, a frozen program, or a faulty fingerprint sensor. So the best solution for your fingerprint sensor might be to reset it.
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by resetting, you mean restarting my device? i tried... but still giving me issue,,,
godlyitem said:
i recently tested custom roms... and rooted my p6p but somehow the fingerprint reader doesb't sense my finger when it's in lockscreen and only work after i wake the phone up... anyone has ideas what's causing it?
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Since you are running a custom ROM, the best person to ask is the creator of that ROM. See if maybe other people running the ROM have the same issue. Since you are not running Stock and haven't even mentioned which ROM you use, it's hard to help you here in any way.
godlyitem said:
i recently tested custom roms... and rooted my p6p but somehow the fingerprint reader doesb't sense my finger when it's in lockscreen and only work after i wake the phone up... anyone has ideas what's causing it?
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Click to collapse
I am not running custom rom but that fingerprint reader problem is on mine too and its sporadic. The reader would work fine after a reset/flash, days later it would bug out. I have to tap once or lift the phone to activate the screen for the reader to work. Rebooting the phone a few times would get it to work again but its random.
I've noticed on AOD the fingerprint reader doesn't respond while in a smartlock area and i have to press power to get to lockscreen then fpr works (or it shows me unlocked by smartlock depending if it's been 4 hours) . Can others confirm/rebut that theirs only does this in smartlock zones and not in the wild (or if you bt smartlock whether or not being connected causes this)
so i rooted and went back to stock OS. It didn't work in AOD. After several reboots, it started to work again..... this is crazy
godlyitem said:
so i rooted and went back to stock OS. It didn't work in AOD. After several reboots, it started to work again..... this is crazy
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Yeah, its a crapshoot if it will remain working the next time you restart.

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