Hi,
As the title says, I'm experiencing some problems related to the fingerprint sensor, specially when I try to wake the device as I have to put my finger in the sensor twice because the phone doesn't recognize my fingerprint at the first try, it just vibrates, but the second time I put my finger it wakes up the phone with no problem. It feels like the sensor puts itself in deep sleep mode as it happens like 15 seconds after I turn off the screen.
The fingerprint sensor works fine when the screen is on, as I can unlock protected apps at the first try. But some apps that include their own fingerprint authorization like Paypal or my bank account app shows me an "error" as soon as they ask me for the fingerprint, like the fingerprint sensor is already in use (not sure how to explain it), but they work as soon as I put my finger on it.
Pressing the sensor for a little longer wakes the device at the first try, but I'm pretty sure that's not the normal behaviour.
Disabling the pocket mode doesn't help either.
As the title says, this only happens on every MIUI rom Iv'e tried, like Xiaomi.eu, Mi-global or Revolution OS, always made a clean flash. I've tried Havoc-OS and Pixelexperience and the fingerprint worked flawlessly, not a single problem with those roms and that's what makes me think that it's a software related problem. In fact, I'm currently using Havoc 3.0 and the fingerprint sensor is working great.
I've also tried to flash persist.img from the chinese official rom without success. And needless to say that I've cleaned the fingerprint sensor several times.
I know it's not a big deal of a problem, but it's driving me crazy. So any help would be appreciated as I really want to use MIUI instead of any other custom rom.
TL;DR: I have to use the fingerprint sensor twice to wake my device and feels like the fingerprint sensor puts itself on deep sleep mode or that it's already in use somehow. But it only happens on MIUI roms.
Related
hello I have been trying to find a rom that has a working proximity sensor or to stop accidental wakeup when in my pocket. I wear shorts a lot which are a bit thin and I feel the phone vibrating as if it got a wrong fingerprint every now and than so I have tried to cover the proximity sensor and attempt to unlock the phone and it unlocks no problem. also when making phone calls the screen stays on causing me to touch random buttons.
so may questions is there a rom that has the proximity sensor working? and please is you could just cover the sensor and try to see it prevents the phone from waking up.
thank you for any feed back.
NOTE: might need to turn on "prevent accidental wake up" under display settings.
ROMS ive tried and did not work: PURE CM, Resurrection.
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
I'm not 100% sure if this is a bug or a hardware issue, but my fingerprint scanner is no more.
A while after I installed one of the nightly builds for my Axon 7 Mini, my fingerprint sensor would not read my fingerprint. It would vibrate and tell me that my fingerprint was incorrect, so it's aware that I was touching it.
So, I instinctively removed my fingerprints and tried re-registering them. When I get to the point where I enter my fingerprint, it won't do anything when I place my finger - no vibrations, no error messages. You guys think my scanner is as good as dead?
After a few days of using this device i noticed that my screen turns on during phone calls. After doing some research it came out that the proximity sensor is not working properly when phone is being tilted to horizontal position with screen upwards. It just immediately shows that it is far away from any object even that it isn't. The fun fact is that when covering the sensor with my hand while phone is laying on his back doesnt switch it and rotating the phone to vertical position also does not make any effect like the sensor would be locked. Covering it again in that position makes it work.
Can anybody help me with this issue? It's very annoying for me and makes my phone unusable for making calls.
Edit: similar problem here https://forum.xda-developers.com/android/help/huawei-nova-5t-proximity-sensor-problem-t4136595
Same problem here...
here also
I am so lost. What do I do with the phone? What? When does it happen? (Also subscribing.)
Same here, and i notice i have also problems with whastapp and telegram audio notes.
Sometimes screen goes blank randomly and with no reason when i'm listening a audio note.
Hi. Its a well known problem. Its becouse the device has a ultrasonic sensor not like any other. Sensor like you already find out works only in vertical position of the phone. Its well described in the net how it works. Just search. In 4PDA in the section for our phone. But you need to know russian.
I found that thread and it seems that not everyone notices that... Not spending more time on reading this I found a workaround on my own: an app that keeps the screen disabled after first switching proximity sensor. Then you just need to use the power button if you want to use the phone.
Same problem here, it's very frustrating. I can turn the screen back off during a call once I see it's turned on by itself, but it keeps turning back on. I'm sick of muting calls and hanging up on people by pressing buttons when I'm on the phone.
What is the app that you are using @Spectre45?
Spectre45 said:
I found a workaround on my own: an app that keeps the screen disabled after first switching proximity sensor. Then you just need to use the power button if you want to use the phone.
Click to expand...
Click to collapse
Can you please tell us what app you are using?
kage00 said:
Can you please tell us what app you are using?
Click to expand...
Click to collapse
try proximity screen off or call proximity screen fix
LightSmok said:
try proximity screen off or call proximity screen fix
Click to expand...
Click to collapse
Thanks
Listen. There is no proximity sensor at all. The upper mic, speaker and the sensor for orientation are doing the job. When you pick a call the speaker is sending ultrasonic signal and if it locate your ear it dims the screen. Once it works it is working in all positions. But if you move your phone away only in horisontal position it will nit work untill you mive it in vertical again.
Edit: Experienced this issue too. Annoying.
Does using Xiaomi.EU fix this problem? This issue really gets on my nerves. I started daily driving this device (finally I was able to unlock) and I just cannot use it for calls, which is kinda ridiculous from a phone.
Flashing Xiaomi.EU fixed the issue and calls now work totally fine.
I believe it's Google Dialer making all the trouble, so basically EEA default rom will always be troublesome until Xiaomi decides to fix it. This is only a theory however. All I know is that the Xiaomi.EU rom saved my phone.
I was using the phone with cover provided by MI, upon removing that back cover I encounter no such issues.
h8Aramex said:
Flashing Xiaomi.EU fixed the issue and calls now work totally fine.
I believe it's Google Dialer making all the trouble, so basically EEA default rom will always be troublesome until Xiaomi decides to fix it. This is only a theory however. All I know is that the Xiaomi.EU rom saved my phone.
Click to expand...
Click to collapse
I didn't have any proximity issues on stock with google dialer. It's not google dialer, it's how you position your head against the earpiece. Sensor is ultrasonic, so it probably doesn't detect properly depending on the position people hold their phones in...
I have the same problem with my work phone - redmi note 9. Tried the app "proximity screen off" but MIUI keeps killing it no matter what i do to keep it alive. It seems that sensor is located on front top right side of the phone so sometimes it gets behind your ear if you are right handed (mine are pretty small) and then the muting starts. When using the phone with left hand - no problems at all.
I would love to have a working app to keep screen off during call.
h8Aramex said:
Flashing Xiaomi.EU fixed the issue and calls now work totally fine.
I believe it's Google Dialer making all the trouble, so basically EEA default rom will always be troublesome until Xiaomi decides to fix it. This is only a theory however. All I know is that the Xiaomi.EU rom saved my phone.
Click to expand...
Click to collapse
I also flashed EU rom and the problem persistes.
Currently running Pixel Experience Plus android 11. Others dont report the same problem.
Would this be ROM based, firmware based, vendor based, or what else ??
Its a major annoyance as the tap to wake, face unlock, and position of the fingerprint reader all mean this wakes in pocket constantly.
Tried hard resets etc but stumped.
Phat Phreddy said:
Currently running Pixel Experience Plus android 11. Others dont report the same problem.
Would this be ROM based, firmware based, vendor based, or what else ??
Its a major annoyance as the tap to wake, face unlock, and position of the fingerprint reader all mean this wakes in pocket constantly.
Tried hard resets etc but stumped.
Click to expand...
Click to collapse
The reality is there is no proximity sensor present in mi 11x
and in miui the call screen becomes black as miui using accelerometer and some kind of hack to do that.
LikeCustomRom said:
The reality is there is no proximity sensor present in mi 11x
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Click to collapse
What the f...
So this constant pocket activation is a feature ??
I cant believe everyone is just living with this ??
Unfortunately it is so and this explains why even if the phone is away from the ear but placed vertically the screen turns black.
pegasoc said:
Unfortunately it is so and this explains why even if the phone is away from the ear but placed vertically the screen turns black.
Click to expand...
Click to collapse
Is that only with MIUI ??
So what combination of settings are people using to minimize this ??
I haven't had a phone without a proximity sensor in years, I didnt even think one would be sold that way.. Its unusable like this, constantly waking in pockets, error input and attempted unocks etc
Testing it (pixel experience plus) my phone never senses, in any orientation.. Others report some form of sensing.
Upright.. hand to phone.. hand over phone.. I am not getting anything.
It wakes on movement.. It wakes to attempt face unlock (I guess).. It wakes on screen touch,, it never overrides that despite there being an option to prevent accidental wake up (which has no noticeable effect). I dont see what combo of settings may be correct here.
Its currently flat out unusable.. Its a mobile phone which you cannot put in your pocket and which wakes as you carry it. People cant be just accepting this...
The Truth is truth that this phone doesn't have proximity sensor
LikeCustomRom said:
The Truth is truth that this phone doesn't have proximity sensor
Click to expand...
Click to collapse
thats now shockingly understood..
But other people report some kind of gyro / light sensor / accelerometer / etc combination thats providing some useability. Useability I dont have (Pixel experience plus 11).
The config I have so far.. Is not doing anything.. and is basically non viable..
You cant put it in your pocket !!! What kind of mobile phone cant be put in a pocket or carried..
Phat Phreddy said:
Its a major annoyance as the tap to wake, face unlock, and position of the fingerprint reader all mean this wakes in pocket constantly.
Click to expand...
Click to collapse
I don't get what your problem is, plz describe it better. You say that you have problem with proximity sensor, but then you go on to say that your phone unlocks in your pocket for no reason and I see no connection between these two statements. Proximity sensor works only during calls, it has nothing to do with preventing unlocking tge smartphone in your pocket. Are you sure that you're not accidentally putting your finger on the fingerprint reader when you put it in the pocket? If you want, you can make the fingerprint reader read your fingerprint only after you press the power button, mere touching will not unlock it. But you have to change it in settings in MIUI, I am not sure how it works on your Custom ROM.
I have no problems you describe on my Poco F3 unit. If reverting to stock MIUI doesn't work, consider sending it for a warranty repair.
Phat Phreddy said:
Currently running Pixel Experience Plus android 11. Others dont report the same problem.
Click to expand...
Click to collapse
Yep, sounds like a hardware problem.