fingerprint unlock issue! - Xiaomi Mi Max Questions & Answers

Hello everyone,
My FP worked with no issues until suddenly it's only unlocking after I double tap the screen then apply my finger to unlock!!.........it doesn't unlock immediately after I apply my finger like before!.

ron_hyatt said:
Hello everyone,
My FP worked with no issues until suddenly it's only unlocking after I double tap the screen then apply my finger to unlock!!.........it doesn't unlock immediately after I apply my finger like before!.
Click to expand...
Click to collapse
You can try to register the same fingerprint multiple times from different angles, so that way it has a better chance of picking it up.
I used to do this on my note 4, as the swipe fingerprint it had was never too accurate.

Well,it does pick up the registered finger print,it just all of a sudden does that only after waking the screen with double tap!!!

Might be sensor being block by screen protector? Remove screen protector and reapply again if there is
Sent from my MI MAX using Tapatalk

Related

Fingerprint rejection screen on

With fingerprint screen unlock turned on, is there a way to not turn on the screen whenever a fingerprint is rejected ? When i am holding and moving the phone about and the fingerprint sensor touches any part of my skin, (palm, thigh..etc...), the screen will turn on. So it's turning on lots of time when i didn't intend for it to. Anyone ?
I've read about other people having this same issue. It hasn't happened to me though. The fingerprint scanner only recognizes my fingerprints, not my palm nor other parts of my body.
It shouldn't turn on by default ... If it rejects the finger it should only vibrate to let you know that it detected something, but screen should stay off.
Which ROM are you using?
Sent from my OnePlus 3 using Tapatalk
Stock, rooted. Touching the fingerprint sensor with knuckle, palm..etc.. wakes the screen, no vibration. Placing unrecognized fingerprint vibrates and wakes the screen. Any input on this ?
Complete stock. 3.2.6. No root. Fingerprint rejection only causes vibration for me, no screen on.
I am on stock 3.2.6 too. Upon further investigation, If i leave my finger print on long enough, it rejects with vibration without turning on the screen.
Here's a video link demonstrating the problem, appreciate if anyone has any suggestion on how to fix this.
https://youtu.be/msRFxHwo2R8
Weird ... definitely not standard behavior.
I'd try clean flashing the system.
Sent from my OnePlus 3 using Tapatalk

Fingerprint vibrate but not unlocked

When I put finger in Fingerprint sensor, it vibrate but screen not unlocked, nor shown error finger too fast/not recognized
Probably this happen after latest OTA
Has anyone experience this issue?
Thanks

How to disable fingerprint screen waker?

Hey people,
I have a rooted XZ2C with Oreo. On that device, when screen is off, you can wake it up (putting once your finger on fingerprint sensor).
Do you know a way to disable this function?
Without disabling the unlock fingerprint (when you apply your finger, once screen woken up, to unlock your divine?)
Thanks for help!
Yoannjap

[ULTIMATE GUIDE] Fingerprint sensor speeding up

Hey there..
I've had the phone for a few weeks and like most of you I wasn't satisfied with the performance of the fingerprint sensor. After tying all the how-to and walk-through guides to no avail, I decided to give something a try and to my surprise the FP sensor is working flawlessly.
So, here is how;
While registering your finger, touch the sensor as Lightly as possible and keep moving it around till it's registered. While unblocking the phone don't press too hard on the sensor area, use the same light touch that you used to register your finger.
It's been working like a charm without the dreadful 'no match' error for over 10 days.
Hope this helps.
Too much theories, everyone say its, but this phone needs software upgrade indeed.
HTCDevil said:
Too much theories, everyone say its, but this phone needs software upgrade indeed.
Click to expand...
Click to collapse
Give this one a try. :good:
I'll give it a try. Thanks.
I also hate the fact that this phone let's you register only 3 fingerprints.
No way
All the same for me. When you using FP for a continuous time (a couple of a continuous opening) it's working like a charm, but after a "hour" of a rest all problems comes again
That's the truth from me.
zorzgeo said:
No way
All the same for me. When you using FP for a continuous time (a couple of a continuous opening) it's working like a charm, but after a "hour" of a rest all problems comes again
That's the truth from me.
Click to expand...
Click to collapse
I have the same problem. It's absolutely horible in the morning, for the second day in a row had to use pin to unlock. After that - all fine for a hour or two.
Maybe working how a wind blowing as i see
Sent from my Galaxy A50 using Tapatalk
zorzgeo said:
No way
All the same for me. When you using FP for a continuous time (a couple of a continuous opening) it's working like a charm, but after a "hour" of a rest all problems comes again
That's the truth from me.
Click to expand...
Click to collapse
Me too
Tried it and still the same. Software update is what we need.
winchelle22 said:
Tried it and still the same. Software update is what we need.
Click to expand...
Click to collapse
Got it now
Since April Update the fingerprint sensor is a bit better but still needs improvement.
I found two things:
1) We got the habit to just touch the sensor and it unlocks rapidly with our previous phones with normal sensor. The fact is that is when you put you finger on the screen we tend to remove it rapidly or to put too much pressure that the sensor cannot read it. That is my personal findings.
2) Found a post on XDA A50 section but unable to find it now but the trick works for me. When you are registering your fingerprint as example fingerprint 1 put the same thumb from left and right hand each time. Example your percentage registration is 15% your put your right thumb as soon as it increases you put the left thumb and so on until it complete registration. You can use all the three slots with doing so and it increases the responsiveness of the sensor while unlocking. I used only two slots since my girlfriend uses one on my phone and it works very well.
Have a try and let me know.
Ultiweap said:
since my girlfriend uses one on my phone and it works very well.
.
Click to expand...
Click to collapse
This is VERY VERY BAD !:laugh:
pabgar said:
This is VERY VERY BAD !:laugh:
Click to expand...
Click to collapse
Hehe yes... I trust her so it is ok
Pay attention please.
Here some tricks to try for FP speeding up.
As 1st, dlete all entered finger prints. After that lower the phone light at minimum (Adaptive Brightness keep ON and slider set to minimum).
As 2nd, form a three fingerprints with only one finger frequently used with such so light screen touching.
As 3rd, return to Adaptive Brightness and OFF/ON it on button.
After that my FP sensor react as a charm in any case. I don't use AOD. Just lock screen.
But i have made som goodness with my wish picture as a lock screen. I have made a light white circle with the dimension and a positin like a FP sensor so it helping me to light the FP area
Here is my picture so You can use it to form Yours own.
FP ScreenLock picture model LINK
zorzgeo said:
Pay attention please.
Here some tricks to try for FP speeding up.
As 1st, dlete all entered finger prints. After that lower the phone light at minimum (Adaptive Brightness keep ON and slider set to minimum).
As 2nd, form a three fingerprints with only one finger frequently used with such so light screen touching.
As 3rd, return to Adaptive Brightness and OFF/ON it on button.
After that my FP sensor react as a charm in any case. I don't use AOD. Just lock screen.
But i have made som goodness with my wish picture as a lock screen. I have made a light white circle with the dimension and a positin like a FP sensor so it helping me to light the FP area
Here is my picture so You can use it to form Yours own.
FP ScreenLock picture model LINK
Click to expand...
Click to collapse
Nice one. Did not thought doing this surely it can help, but does it help also during the day when outside?
It could be just better on sunlight. Brightnes slider then jump to max
Report You that.
P.S. Same precission on dyrect sun as in the room or a half shadow...
Sent from my Galaxy A50 using Tapatalk
zorzgeo said:
Pay attention please.
Here some tricks to try for FP speeding up.
As 1st, dlete all entered finger prints. After that lower the phone light at minimum (Adaptive Brightness keep ON and slider set to minimum).
As 2nd, form a three fingerprints with only one finger frequently used with such so light screen touching.
As 3rd, return to Adaptive Brightness and OFF/ON it on button.
After that my FP sensor react as a charm in any case. I don't use AOD. Just lock screen.
But i have made som goodness with my wish picture as a lock screen. I have made a light white circle with the dimension and a positin like a FP sensor so it helping me to light the FP area
Here is my picture so You can use it to form Yours own.
FP ScreenLock picture model LINK
Click to expand...
Click to collapse
I couldn't understand what you said in step 2 and 3. Can you please explain?
2nd: Add 3 FP but every FP with the same finger from various angles and just a soft, soft screen touching (not hard pressing) with Brightnes seted to min
3rd: After FP entering, go to Adaptive Brightness and turn it off and on to set the auto brightness vslue.
That's it.
Sent from my Galaxy A50 using Tapatalk
Anybody try it?
zorzgeo said:
Anybody try it?
Click to expand...
Click to collapse
Yes, I used your wallpaper. Kudos to you for coming up with such an innovative idea. But my FP sensor works the same with other wallpapers also. Not much gain in speed.

A70 fingerprint recognition problem

80% of the time i try to use fingerprint to unlock my device my fingerprint is not recognized.
Is this a software or hardware problem and how to solve it?
expl8rer said:
80% of the time i try to use fingerprint to unlock my device my fingerprint is not recognized.
Is this a software or hardware problem and how to solve it?
Click to expand...
Click to collapse
This is a hardware problem, which Samsung is trying to solve as if it's a software problem. They keep tweaking it, but it will never work as should (look at all the complaints about the s10 fingerprint sensor). An ultrasonic fingerprint reader behind the screen works in ideal circumstances, but on a phone it's just terrible.
I register my fingerprint and after 5 seconds it doesn't even unlock anymore. It says it's not my fingerprint. I can understand that your fingerprint changes slightly over a couple of days (I had to do some DIY in my house and I got a couple of scratches on my fingertips), afterwards my S8+ would ALWAYS unlock, but the A70 just thinks, well hey that must be someone elses finger.
I'm using face unlock and I must say it works very quickly. I read comments everywhere about people who stopped using fingerprint on these Samsung devices. It was a nice marketing trick, but what a terrible idea.
expl8rer said:
80% of the time i try to use fingerprint to unlock my device my fingerprint is not recognized.
Is this a software or hardware problem and how to solve it?
Click to expand...
Click to collapse
I was on the verge of returning the phone over how poorly the sensor was working, it was as bad as 1 in 5 touches working.
I've had a huge improvement by deleting my fingerprints and setting them up again as per this guide: https://youtu.be/X9y--nHmaco
Hope this helps.
chongo_au said:
I was on the verge of returning the phone over how poorly the sensor was working, it was as bad as 1 in 5 touches working.
I've had a huge improvement by deleting my fingerprints and setting them up again as per this guide: https://youtu.be/X9y--nHmaco
Hope this helps.
Click to expand...
Click to collapse
Thanks for that!! Works a treat.
Register 3 times, in the same position you will use to unlock like the @chongo_au video above
Dont folow the screen tip when registering. It is misleading
Also, emove transition effect on biometry preferences
Try also register one of the three like this: first, put yout finger on power button, and then put your finger on the scanner
leonbarroso said:
Register 3 times, in the same position you will use to unlock like the @chongo_au video above
Dont folow the screen tip when registering. It is misleading
Also, emove transition effect on biometry preferences
Try also register one of the three like this: first, put yout finger on power button, and then put your finger on the scanner
Click to expand...
Click to collapse
What do you mean by put your finger on the power button and then on the scanner?
G1032 said:
What do you mean by put your finger on the power button and then on the scanner?
Click to expand...
Click to collapse
1. put your finger over the power button (just to position, no pressing)
2. now put down your finger to scanner
why? because lot of people, when unlocking the device, do this movement, pressing power button first, and then press the scanner almost without moving the hand, using the right side of the right thumb
It is just a tip about positioning. It worked for me.
expl8rer said:
80% of the time i try to use fingerprint to unlock my device my fingerprint is not recognized.
Is this a software or hardware problem and how to solve it?
Click to expand...
Click to collapse
I got some tips to solve this problem, just moisten your finger a little bit, maybe you can lick your finger and then rub it with other finger, but don't let your finger dry completely (i.e. if your registered fingerprint is your thumb, then lick your thumb a little bit and then rub the surface with your index finger) and then place your finger to the sensor as usual. Hope this work on you too! And sorry for my bad English.
a70 fingerprint recognition
I also thought that it was the sensor Until I did a reset on my phone to remove some of the clutter I put in with Smartswitch
fortunately you don't have to reset your phone
-> first remove all your fingerprints saved!
->think carefully about the part of your finger that you will place in contact with the sensor!
->place that part on the sensor first covering it completely ..no need for too much pressure !
->keep your finger in this position for 3 seconds then follow attentively the direction for positioning ..each position 3 seconds
And here you have it, I am hitting it 100% of the time with dry or sweaty fingers!
->-> bonus it works in every orientation of you fingers even upside down!!
youtube ->A70 sensor work under all orientations!
Fingerprint in Android Q for A70 fixed
I have an A70, and had the same problem as all of you are having, with the fingerprint, but I have just solved it.
What you need to do is download samfirm, and look for the firmware, from Bolivia, with this date: 21/03/2020.
Just flash this firmware from Bolivia, with this date, and your fingerprint problems will get fixed.
it works fine for me
An easier solution is to first remove all fingerprints then reboot.
Clean you phone screen. Also wash your hands too.
When boot complete re-register your fingerprint.
Since you can register three fingers in total, register the finger you will most commonly use to unlock phone two times. Make sure you change your finger position everytime you scan it
The type of screen protector you use can also affect fingerprint scanner
Matt protectors fail the scanner.

Categories

Resources