Redmi Note 4X Fingerprint Problem [Solved] - Xiaomi Redmi Note 4 Questions & Answers

So... I'm now at AOSP Extended right now, the issue apparently the fingerprint doesn't recognize my right-hand finger, but the left-hand one does. I tried changing firmware but no luck, I haven't tried to revert to stock. Any ideas?
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See post #2 for solution.
Thanks XDA

lineoxkun said:
So... I'm now at AOSP Extended right now, the issue apparently the fingerprint doesn't recognize my right-hand finger, but the left-hand one does. I tried changing firmware but no luck, I haven't tried to revert to stock. Any ideas?
Click to expand...
Click to collapse
Fix :-
Screen lock > Register unrecognized finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
Thanks to @JackSparrow17

sachin n said:
Fix :-
Screen lock > Register unrecognized finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
Thanks to @JackSparrow17
Click to expand...
Click to collapse
Thanks, @sachin n it works like a charm!

lineoxkun said:
Thanks, @sachin n it works like a charm!
Click to expand...
Click to collapse
Np

any idea y this happens? im facing fp problem with password only but with pattern it works. i had reverted to miui nougat and still the problem had persisted. so now i tried above fix and it worked. WHY

zohaibahd said:
any idea y this happens? im facing fp problem with password only but with pattern it works. i had reverted to miui nougat and still the problem had persisted. so now i tried above fix and it worked. WHY
Click to expand...
Click to collapse
I dunno why lol :silly:

Related

Fingerprint Scanner Problem in 6.0 MM

Hi guys!
I really love this phone, but I have a really, really, really annoying bug. I have only 2 days with this phone (MM updated since the first day). When I try to unlock with my finger it works most of the time, but in some occasions it ask me for the knock code or the pin directly, giving me no chance to use my fingerprint to unlock the phone. This is really annoying because I want to use the fingerprint sensor to unlock the phone and it does not let me. Does anyone have the same problem with the V10? Any ideas for a possible solution? Thanks a lot!
ulises.tej.chav said:
Hi guys!
I really love this phone, but I have a really, really, really annoying bug. I have only 2 days with this phone (MM updated since the first day). When I try to unlock with my finger it works most of the time, but in some occasions it ask me for the knock code or the pin directly, giving me no chance to use my fingerprint to unlock the phone. This is really annoying because I want to use the fingerprint sensor to unlock the phone and it does not let me. Does anyone have the same problem with the V10? Any ideas for a possible solution? Thanks a lot!
Click to expand...
Click to collapse
We have this problem too and assume you are using a third party launcher (Nova, Google, etc). Switch back to LG stock launcher and it fixes the problem. Think it has something to do with the lockscreen permission changes from Lollipop to Marshmallow.
skingg said:
We have this problem too and assume you are using a third party launcher (Nova, Google, etc). Switch back to LG stock launcher and it fixes the problem. Think it has something to do with the lockscreen permission changes from Lollipop to Marshmallow.
Click to expand...
Click to collapse
I'm actually using Nova. I will switch back to LG Stock Launcher (uggly, by the way), and I'll tell you if it worked or not for me. I'm thinking on the same about te permissions in MM. There is no way to upgrade permissions from the settings or something like that to keep using a third party launcher?
Thanks a lot for the help!
ulises.tej.chav said:
I'm actually using Nova. I will switch back to LG Stock Launcher (uggly, by the way), and I'll tell you if it worked or not for me. I'm thinking on the same about te permissions in MM. There is no way to upgrade permissions from the settings or something like that to keep using a third party launcher?
Thanks a lot for the help!
Click to expand...
Click to collapse
Did you ever find a resolution to this. It's pretty annoying but i'm not willing to give up Nova
vitaminDon said:
Did you ever find a resolution to this. It's pretty annoying but i'm not willing to give up Nova
Click to expand...
Click to collapse
I ran with LG's launcher for the past couple of weeks and since the recent beta updates to Nova shows no sign of a solution, I've reverted back to Nova and just switched to pattern unlock for the time being.
You know, even using nova, you can double tap the notification bar to turn off, and still use the fingerprint to unlock.
Sent from my LG-H901 using XDA Free mobile app
^ Incase anyone of you missed it, the finger print scanner works if you double tap the notification on Nova Launcher to lock the screen.
hi guys... i too have issue with finger print... my problem on MM is that i cannot even set up a finger print.. its like hard ware issue.. but i do hope its a software issue...
i did took out the case..even the back cover.. but still nothing. wont detect finger when i set up
amm. anyway to rectify if it is really due to a hardware issue?
chacho_2me said:
hi guys... i too have issue with finger print... my problem on MM is that i cannot even set up a finger print.. its like hard ware issue.. but i do hope its a software issue...
i did took out the case..even the back cover.. but still nothing. wont detect finger when i set up
amm. anyway to rectify if it is really due to a hardware issue?
Click to expand...
Click to collapse
Try to factory reset, or change the unlock method to a different one, and then go back to fingerprint.
already did.factory reset by lg bridge..hmmmm
. i do hope its only a s/w issue. huhuhu
may due to mainboard problem
i also met this problem.
after restart, restore or refresh kdz, nothing changed...
my model is LG V10 H961N
i have this issue also. dont know what to do
lvikel2 said:
i have this issue also. dont know what to do
Click to expand...
Click to collapse
Same here, typical ****ty LG quality. I did a factory reset, still not working.
skingg said:
We have this problem too and assume you are using a third party launcher (Nova, Google, etc). Switch back to LG stock launcher and it fixes the problem. Think it has something to do with the lockscreen permission changes from Lollipop to Marshmallow.
Click to expand...
Click to collapse
Speak for yourself. :laugh:
I'm on MM on my H960A AND I'm using Nova Launcher since the first day. Never had this issue. I only had a problem once after unlocking the bootloader. You have to enable "OEM unlock" in the developer settings prior to unlocking the bootloader and I did not disable that option again afterwards. The fingerprint sensor did not work at all with this setting enabled. You can register new fingerprints but unlock does not work.
Since I disabled this option I have no issues with Nova and fingerprint. Should you have unlocked your bootloader as well make sure you disable "OEM unlock" again.
I'm on MM and using Nova prime but I don't have any problems with the Fingerscanner!
ulises.tej.chav said:
Hi guys!
I really love this phone, but I have a really, really, really annoying bug. I have only 2 days with this phone (MM updated since the first day). When I try to unlock with my finger it works most of the time, but in some occasions it ask me for the knock code or the pin directly, giving me no chance to use my fingerprint to unlock the phone. This is really annoying because I want to use the fingerprint sensor to unlock the phone and it does not let me. Does anyone have the same problem with the V10? Any ideas for a possible solution? Thanks a lot!
Click to expand...
Click to collapse
Hi!
I have this phone for 4 days and i had the same problem like you,
I use to lock my screen with third party applications like:
Greenify or Screen Off and Lock
And for this i have the same problem like you,
If you had the third party application for locking your phone, you can uninstall them or lock your screen by double top or power button.
Good Lock!
Sent from my LG-H960 using Tapatalk
Try this...
I've had this problem also. It seems to have started after a security update from T-Mobile.
Try this fix and let me know how it works for you:
Follow these steps:
1)Goto settings -> fingerprint & security -> fingerprints -> then delete all fingerprints
2)Then goto apps -> switch to show system apps(im using 6.0) -> find com.lge.fingerprints then remove data and cache memory.
3)Goto storage & usb -> clear cached data
4) Then restart your V10
5) After that, add fingerprints in fingerprint lock then it detects your finger.
If it doesn’t detect your finger, repeat the steps.
Joe_PDA said:
I've had this problem also. It seems to have started after a security update from T-Mobile.
Try this fix and let me know how it works for you:
Follow these steps:
1)Goto settings -> fingerprint & security -> fingerprints -> then delete all fingerprints
2)Then goto apps -> switch to show system apps(im using 6.0) -> find com.lge.fingerprints then remove data and cache memory.
3)Goto storage & usb -> clear cached data
4) Then restart your V10
5) After that, add fingerprints in fingerprint lock then it detects your finger.
If it doesn’t detect your finger, repeat the steps.
Click to expand...
Click to collapse
Wow thanks my friend! It solved my problem, now fingerprint scanner works again! Thank you very much sir.?????
rAndroid3 said:
Wow thanks my friend! It solved my problem, now fingerprint scanner works again! Thank you very much sir.
Click to expand...
Click to collapse
Glad I could help.
You may have to repeat this process as sometimes, I've heard, the problem reoccurs.

I have the strangest issue with my finger print scanner

Device: Redmi Note 4Global version (Snapdragon 625, 64GB / 4GB)
I have the strangest issue with my fingerprint scanner, in addition to some other problems.
Started In RR rom latest build.
My main issue:
The phone will not recognise my left index finger(that i used to unlock with regularly ). But works perfectly fine for all my other fingers
When I try unlock with my left index finger, it says "notrecognised", I then have to use my pin to get in again
But if I use any other finger that is registered, it unlocks. NOT ONLYTHIS, but if I use my left finger even once, I have to use my pin. But if I geta "not recognised" for any of my other registered fingers, I can thenretry with the same finger, and it unlocks. It seems like my left index finger always forces the phone to resort to my backup unlock method (pin, pattern,password), but my other registered fingers seem to have unlimited tries.
It doesn't make sense. If it was a software issue, it would not be consistent across the different ROMs
If it was an issue with my finger, nothing has changed since yesterday. I haven't got any cuts, or markings.
If it was a hardware issue, it shouldn't recognise any of my fingers.
What I've tried:
1. Removing the finger, and re-adding it
2. Washing my hands
3. Cleaning my fingerprint sensor
4. Taking my case off
5. Using Pattern +fingerprint unlock
6. Wiping cache,system, dalvik cache, internal storage, data, and reinstalling the ROM
7. Flashing another custom ROM (AOSP Extended)
8. Going back to my original ROM (Resurrection remix)
9. Flashing back to stock using MiFlash (latest MIUI version)
10. Going back to RR
11. Going back to AOSPextended
pp_prathap said:
Device: Redmi Note 4Global version (Snapdragon 625, 64GB / 4GB)
I have the strangest issue with my fingerprint scanner, in addition to some other problems.
Started In RR rom latest build.
My main issue:
The phone will not recognise my left index finger(that i used to unlock with regularly ). But works perfectly fine for all my other fingers
When I try unlock with my left index finger, it says "notrecognised", I then have to use my pin to get in again
But if I use any other finger that is registered, it unlocks. NOT ONLYTHIS, but if I use my left finger even once, I have to use my pin. But if I geta "not recognised" for any of my other registered fingers, I can thenretry with the same finger, and it unlocks. It seems like my left index finger always forces the phone to resort to my backup unlock method (pin, pattern,password), but my other registered fingers seem to have unlimited tries.
It doesn't make sense. If it was a software issue, it would not be consistent across the different ROMs
If it was an issue with my finger, nothing has changed since yesterday. I haven't got any cuts, or markings.
If it was a hardware issue, it shouldn't recognise any of my fingers.
What I've tried:
1. Removing the finger, and re-adding it
2. Washing my hands
3. Cleaning my fingerprint sensor
4. Taking my case off
5. Using Pattern +fingerprint unlock
6. Wiping cache,system, dalvik cache, internal storage, data, and reinstalling the ROM
7. Flashing another custom ROM (AOSP Extended)
8. Going back to my original ROM (Resurrection remix)
9. Flashing back to stock using MiFlash (latest MIUI version)
10. Going back to RR
11. Going back to AOSPextended
Click to expand...
Click to collapse
Try this -
Screen lock > register your unrecognised finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
This is working, thanks to @JackSparrow17
sachin n said:
Try this -
Screen lock > register your unrecognised finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
This is working, thanks to @JackSparrow17
Click to expand...
Click to collapse
Woooow worked!!! thanks a ton!
pp_prathap said:
Woooow worked!!! thanks a ton!
Click to expand...
Click to collapse
Haha, thanks to @JackSparrow17 xD
sachin n said:
Haha, thanks to @JackSparrow17 xD
Click to expand...
Click to collapse
Jack is dead....:laugh:
JackSparrow17 said:
Jack is dead....:laugh:
Click to expand...
Click to collapse
Lulz ?
sachin n said:
Try this -
Screen lock > register your unrecognised finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
This is working, thanks to @JackSparrow17
Click to expand...
Click to collapse
thank you bro it work
:laugh:
Hey....
Remove all your registered fingerprints.
Remove all your pin,pattern..etc.
Make sure you can unlock the phone with just a swipe.
Now re -register your fingerprint.
This worked for me.
Mebin said:
Hey....
Remove all your registered fingerprints.
Remove all your pin,pattern..etc.
Make sure you can unlock the phone with just a swipe.
Now re -register your fingerprint.
This worked for me.
Click to expand...
Click to collapse
Yeah. Post #2 says the same tho. :silly:
sachin n said:
Yeah. Post #2 says the same tho. :silly:
Click to expand...
Click to collapse
Sorry.......didn't notice though.....!
Mebin said:
Sorry.......didn't notice though.....!
Click to expand...
Click to collapse
Lol no problem at all. :fingers-crossed:
Sent from my Redmi Note 4 using Tapatalk

Rn4(modo) strange issue need expert help

Facing strange fp problem after flashing miui 9 7.8.1,
Plz watch this video till end
https://youtu.be/R-iIkwyS9dE
It's really very strange and irritating
Plz help anyone
subwof said:
Facing strange fp problem after flashing miui 9 7.8.1,
Plz watch this video till end
https://youtu.be/R-iIkwyS9dE
It's really very strange and irritating
Plz help anyone
Click to expand...
Click to collapse
EASY fix
Screen lock > Register unrecognized finger
and add patern/pin
then go to settings
and don't delete the fingerprints
but remove the screen lock itself
and then add screen lock and register fingerprint
???
thanks
U r genius
subwof said:
thanks
U r genius
Click to expand...
Click to collapse
Does it work?

Power off screen with fingerprint sensor without triggering pin-unlock to wake?

I set up Fingerprint Quick Actions app on my old Axon 7 so that when I pressed the fingerprint reader, it shut off the screen. Now, when I try to set up the same system on the S9+, I can set the screen to turn off, but when using the fingerprint reader to wake the phone up afterwards, I am forced to do a pin-unlock instead of biometric.
Does anyone know a fix or is this not something that can be done anymore in Oreo?
Same problem here...all third party lock screen app is not supported in this sense.
use Nova Launcher and Jews the problem mentioned above will not. Double tap gesture to turn off the screen
bassgenerator said:
use Nova Launcher and Jews the problem mentioned above will not. Double tap gesture to turn off the screen
Click to expand...
Click to collapse
it wont work as said by OP, both widget type and double tap screen lock/off will make fingerprint unusable since it will ask for a pin. really wanted this too, hope we can find a solution.
Sent from my Samsung Galaxy S9+ using XDA Labs
kimLJT said:
it wont work as said by OP, both widget type and double tap screen lock/off will make fingerprint unusable since it will ask for a pin. really wanted this too, hope we can find a solution.
Sent from my Samsung Galaxy S9+ using XDA Labs
Click to expand...
Click to collapse
Actually, Nova DOES work, because it doesn't actually lock the screen. It resets the screen timeout to a very short value, turns the screen off, and then resets both after the device locks on it's own (or you take some action). I use it all the time, but it only works from a Nova home screen, not from anywhere else.
meyerweb said:
Actually, Nova DOES work, because it doesn't actually lock the screen. It resets the screen timeout to a very short value, turns the screen off, and then resets both after the device locks on it's own (or you take some action). I use it all the time, but it only works from a Nova home screen, not from anywhere else.
Click to expand...
Click to collapse
It doesn't work for me. I tried it.
DeMiNe0 said:
It doesn't work for me. I tried it.
Click to expand...
Click to collapse
For a similar outcome I am using the 'screenoff' app and it's working for me (Snapdragon SM-G965U1 running Pie)
Because I haven't done enough posts I can't post the link but search for github and jsalatas and ScreenOff and you'll find it
Powers off screen with app button instead of fingerprint sensor and then allows fingerprint opening.
DeMiNe0 said:
It doesn't work for me. I tried it.
Click to expand...
Click to collapse
I posted that a year ago. Things may have changed since then.

Double tap to wake stop working after factory reset

Hello, can anyone guide me how to fix it without rooting? So double tap to wake is not working after a factory reset, Double tap to sleep on lock screen works tho. I did a factory reset because of heavy ghost touch issues.
Probably a settings issue.
Or simple load the app Double tap, it's likely is better than the stock app.
blackhawk said:
Probably a settings issue.
Or simple load the app Double tap, it's likely is better than the stock app.
Click to expand...
Click to collapse
Yes, thank You very much, I was planning to say thank You and giving reports after testing it, but strangely it worked fine just now... So I guess problem solved, by itself. Thank You for the suggestions tho, appreciate it
ErN35T said:
Yes, thank You very much, I was planning to say thank You and giving reports after testing it, but strangely it worked fine just now... So I guess problem solved, by itself. Thank You for the suggestions tho, appreciate it
Click to expand...
Click to collapse
You're welcome.
Double Tap is a near perfect app. I use instead of the Samsung one as it has more and better features to dial it in. No downside, stable.
ErN35T said:
Yes, thank You very much, I was planning to say thank You and giving reports after testing it, but strangely it worked fine just now... So I guess problem solved, by itself. Thank You for the suggestions tho, appreciate it
Click to expand...
Click to collapse
Ok, now it stops working... What is happening...
blackhawk said:
You're welcome.
Double Tap is a near perfect app. I use instead of the Samsung one as it has more and better features to dial it in. No downside, stable.
Click to expand...
Click to collapse
There is no tap to wake screen on double tap app...
ErN35T said:
There is no tap to wake screen on double tap app...
Click to expand...
Click to collapse
Sorry my bad. The N10+ has 2X tap wake but not off... that's what I use it for.
looool, I think it's don't have a solution, all custom rooms, except miui stock

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