Does anyone else have to wipe down their fingerprint scanner down in order for it to work? And at times my fingers aren't even dirty they're clean and it still has to be cleaned in order for it to work.
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fideljimenez78 said:
Does anyone else have to wipe down their fingerprint scanner down in order for it to work? And at times my fingers aren't even dirty they're clean and it still has to be cleaned in order for it to work.
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Hi
When I woke up today my fingerprint scanner stopped working. It have done so before, but fixed itself. Today I have not been able to unlock phone once, if I don't delete current fingerprints and add a new. It then works for half an hour or so and then it can't recognize my finger anymore.
I have tried to wipe cache on Fingerprint scanner and wipe normal cache + Dalvik cache.
Anyone know any fixes for this?
Thanks in advance
Dirt or damaged finger.
Have you tried cleaning the actual scanner with a cloth? That usually works for me. I've noticed that when my thumb is even slightly rough or has a cut in it it no longer works. Maybe try another finger?
Faspaiso said:
Hi
When I woke up today my fingerprint scanner stopped working. It have done so before, but fixed itself. Today I have not been able to unlock phone once, if I don't delete current fingerprints and add a new. It then works for half an hour or so and then it can't recognize my finger anymore.
I have tried to wipe cache on Fingerprint scanner and wipe normal cache + Dalvik cache.
Anyone know any fixes for this?
Thanks in advance
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Did you remember to flash the Bootloader and Modem when you upgraded to 5.1.1 for your S6 variant?
d2d2d2d2 said:
Did you remember to flash the Bootloader and Modem when you upgraded to 5.1.1 for your S6 variant?
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It has worked flawlessly for over a month. Just started today. Over a month since I upgraded.
If your on custom ROM flash stock 5.1.1 ROM via odin. If your on stock ROM bring your S6 back to Samsung for warranty repair.
Hi,
After updating to 7.0 nougat by official Europe update,
My fingerprint sensor stopped responding, when I'm trying to add new fingerprint it wouldn't let me even try, It shows a message (Attention: make sure that the home key is clean and dry, then try again) and then it goes back to the main lock screen settings menu.
I'm really desperate, already tried everything, plz help!
:crying:
Ronohayon10 said:
Hi,
After updating to 7.0 nougat by official Europe update,
My fingerprint sensor stopped responding, when I'm trying to add new fingerprint it wouldn't let me even try, It shows a message (Attention: make sure that the home key is clean and dry, then try again) and then it goes back to the main lock screen settings menu.
I'm really desperate, already tried everything, plz help!
:crying:
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Have you tried to factory reset or just flash android 7.0 with Odin. I would recommend wiping after installing an update like 7.0 anyway updating always causes bugs and issues for me.
dylanneve1 said:
Have you tried to factory reset or just flash android 7.0 with Odin. I would recommend wiping after installing an update like 7.0 anyway updating always causes bugs and issues for me.
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I also just updated my SM-G935FD via OTA to Android version 7.0.
Since then, fingerprint scanner is not working. Like for OP, all tests fail under HwModuleTest.
I tried to remove all fingerprints, but it is impossible to add new fingerprints - the error message is "Make sure that the Home key is clean and dry, then try again." Obviously, the fingerprint sensor is as dry and clean as it was before the update (when it worked perfectly).
Since then I tried, unsuccessfully:
- removing old fingerprints and adding new fingerprints (does not work, cf. above)
- formatting cache partition
- performing a hardware reset
- flashed the stock firmware G935FXXU1DQB3 with Odin
Please advice, thanks.
happiness_is_a_process said:
I also just updated my SM-G935FD via OTA to Android version 7.0.
Since then, fingerprint scanner is not working. Like for OP, all tests fail under HwModuleTest.
I tried to remove all fingerprints, but it is impossible to add new fingerprints - the error message is "Make sure that the Home key is clean and dry, then try again." Obviously, the fingerprint sensor is as dry and clean as it was before the update (when it worked perfectly).
Since then I tried, unsuccessfully:
- removing old fingerprints and adding new fingerprints (does not work, cf. above)
- formatting cache partition
- performing a hardware reset
- flashed the stock firmware G935FXXU1DQB3 with Odin
Please advice, thanks.
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If you have tried to flash stock firmware in Odin, I'm really not sure what the issue is, if it was just a glitch in the software it should probably have been fixed by a wipe and flash with Odin. If your phone is still under warranty I would bring it back into the Samsung shop or contact them over the internet to inquire about fixing it.
The same exact problem has happened to me too . I'm tired of unlocking with patterns
What should we do ?
This cannot be a hardware issue cuz phone was fine right before the update
---------- Post added at 08:16 AM ---------- Previous post was at 08:15 AM ----------
Ronohayon10 said:
Hi,
After updating to 7.0 nougat by official Europe update,
My fingerprint sensor stopped responding, when I'm trying to add new fingerprint it wouldn't let me even try, It shows a message (Attention: make sure that the home key is clean and dry, then try again) and then it goes back to the main lock screen settings menu.
I'm really desperate, already tried everything, plz help!
:crying:
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Do you still have the issue ?
I have the same problem ???
What the way to fix this issue
I had that problem sometimes and in the end the main reason was really sweat on my fingers and dirt on the home button.
I know this doesn't sound like a solution, but it surprised me as well. Just try drying your fingers and clean the surface of the home button.
Hi There! I encountered the same issue earlier but then suddenly my fingerprint sensor works normally. The last thing I that I made changes to my phone was to reset the password of my samsung account. Not if there was a security breach that happened but after resetting the password, works fine for me. I suggest that you back up your phone's data before and after resetting your Samsung account.
I have this problem for 1 year, tried to change the password but didnt work.
IS someone still struggling with this problem ? Yesterday i upgraded to DevBase 6.0 Oreo newest build. But after the flashing process the fingerprint sensor act in a unusual manner. Sometimes i could unlock the phone sometimes it directly jumps to the pattern unlock screen. Any news about the problem ? I wiped cache/dalvik and i resetted my password of the samsung account - nothing helps.
Any help, ideas, links are highly appreciated
Cheers
Rhonin
Hi,
A few days ago, I was on official Pixel experience rom. Fingerprint unlock started to don't work sometimes. I had to wake up screen with power button before using fingerprint sensor to unlock the phone.
Yesterday, my phone just stopped to react to any fingerprint unlock attempt. I thought that was a software issue, so I decided to migrate to LineageOS. That was a success. However fingerprint sensor doesn't work. Worse : fingerprint settings just disappeared in phone settings.
I would like to know if there is a way to test the hardware part. Or if anyone has gone through this before, any advice will be appreciated.
Thanks.
Phoque_You said:
Hi,
A few days ago, I was on official Pixel experience rom. Fingerprint unlock started to don't work sometimes. I had to wake up screen with power button before using fingerprint sensor to unlock the phone.
Yesterday, my phone just stopped to react to any fingerprint unlock attempt. I thought that was a software issue, so I decided to migrate to LineageOS. That was a success. However fingerprint sensor doesn't work. Worse : fingerprint settings just disappeared in phone settings.
I would like to know if there is a way to test the hardware part. Or if anyone has gone through this before, any advice will be appreciated.
Thanks.
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I had the same, but I do not remember exactly how I solved it. I think by clean flashing a MIUI developer rom, booting into system, flashing twrp again, format data, and flashing my custom rom.
M1chiel said:
I had the same, but I do not remember exactly how I solved it. I think by clean flashing a MIUI developer rom, booting into system, flashing twrp again, format data, and flashing my custom rom.
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Thank you for your answer. Do you think I can do a full nandroid backup of my current setting, then format to install MIUI, then restore my backup so I don't lose my data?
Phoque_You said:
Thank you for your answer. Do you think I can do a full nandroid backup of my current setting, then format to install MIUI, then restore my backup so I don't lose my data?
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You should. I had difficulties with restoring a Nandroid backup, but that was probably related to encryption. So by removing your PIN or password it should work. I used the app Migrate to restore my data.
M1chiel said:
You should. I had difficulties with restoring a Nandroid backup, but that was probably related to encryption. So by removing your PIN or password it should work. I used the app Migrate to restore my data.
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Thanks. I gonna try that when I get some free time
OK, that was a hardware issue. Everything works fine now. The fingerprint sensor flat cable was mounted fold. This must be the reason.
If someone has the same problem, it's easy to fix it by yourself. You can find cheap tools and part on aliexpress, and disassembly videos on youtube. This took me 30min and it was the first time I opened a phone.
The last photo show the new fingerprint sensor mounted unfolded
I flashed evolution X version 4.1.420 but now my fingerprint lock is missing.
I tried t factory reset but it didn't solve it.
I also tried an android app to test for fingerprint but the option to test is not there.
Can anyone help?
Hi guys,
My V500N got an update yesterday and after it was installed fingerprint scanner stopped working to unlock the phone. It is still active and working correctly in all other cases, but as soon as the phone is locked I cannot use fingerprint.
Another clue to troubleshooting may be that I have installed ButtonMapper app to set Assistant button to enable a flashlight. And this function behaves the same.
Any ideas how to fix this?
Kernel ver. 4.14.190
SKQ 1.211103.001
V500N40b
Thank you.
try to factory reset your device
totoy unot said:
try to factory reset your device
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Thank you for an advise, but it is not an option right now for me. I have nowhere to make an external backup.