Use fingerprint without phone lock - LeEco Le Max 2 Guides, News, & Discussion

Hello. Many people wonder if they can use fingerprint without keeping any lock on phone. Answer is YES!
HOW TO DO?
1. Setup any lock (pattern or pin) and your fingerprint too ofcourse
2. Reboot into recovery or use any root browser.
3. Go to data/system folder.
4. If you have setup pattern lock then delete pattern.key file and if you have setup pin lock them delete pin/password.key file (Don't worry this won't harm your phone) and restart your phone.
5. Congratulations! Now you can unlock with fingerprint without any lock on your phone
Note: This is just a small trick and many may find this useful while many already know this. This is applicable on all android devices and mostly all versions too. Enjoy!
Thanks

Could you make an instruction also for Oreo ROMS?
Thank you in advance.

harshjain00 said:
Hello. Many people wonder if they can use fingerprint without keeping any lock on phone. Answer is YES! ....
Thanks
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Thanks for the nice tutorial. I was using the "Lockscreen Disabler" Xposed module for this. If you select "No lockscreen", then you can unlock with fingerprint and there is no lock. If you change your mind, just select "Deactivate this mod" and it will be stock. That's without any reboot.

Related

Phone (or I) forgot PIN - Fingerprint unlock OK

PIN doesn't work, although Fingerprint is OK, so either I input it wrong or one of us forgot. Is there anyway to rest the PIN w/o a Factory Reset? Thanks
Hmmmmm, the plot thickens . .. . .. . I attempted to use Android Device Manager to have Google lock the phone and provide a new passcode (PIN). ADM located the phone OK and tbe phone reflected that it had locked the phone with a new passcode. However the new passcode PIN did not function, the old PIN still did not work, but fortunately Fingerprint is still OK.
It appears that PIN may not function & I need to enter PIN to attempt to change it!
amphi66 said:
Hmmmmm, the plot thickens . .. . .. . I attempted to use Android Device Manager to have Google lock the phone and provide a new passcode (PIN). ADM located the phone OK and tbe phone reflected that it had locked the phone with a new passcode. However the new passcode PIN did not function, the old PIN still did not work, but fortunately Fingerprint is still OK.
It appears that PIN may not function & I need to enter PIN to attempt to change it!
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you have TWRP install?
DrakenFX said:
you have TWRP install?
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Yes. TWRP, rooted & ROM is ZAD Mix7 rev .2 with some minor mods. I recall the PIN working yesterday (I think). I certainly needed (& used it ) it to set the Fingerprint
Using TWRP or Any file explorer with root access and do the following:
- Go to file explorer then go to :
- data > system > locksettings.db (Delete that file)
- reboot and setup your pin or whatever you want.
DrakenFX said:
Using TWRP or Any file explorer with root access and do the following:
- Go to file explorer then go to :
- data > system > locksettings.db (Delete that file)
- reboot and setup your pin or whatever you want.
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Haha, I want to thank you for this. I've had this issue since upgrading from B20 to B29, but I just lived with it since I could unlock using my fingerprints.

Help! Changing screen lock type REQUIRES PASSWORD :(. What password?

I am on stock marshmallow, rooted.
My phone is unlocking with Swipe right now and i would like to set up a pattern/password, but I can't access "Screen lock type" because it requires me to enter a password. WHAT PASSWORD? It says "enter current password"......i have no clue...
please help me out with this problem...
PS:
I have no encription
I have no SD card
I have no Device Administrators on
"Clear credentials(Remove all certificates)" option is GREYED OUT
I have no VPN accounts
Thanks!
simple. just download some 3rd party lockscreen apps if you dont want to factory reset your phone just to set up a password
note: i still suggest not to use 3rd party lockscreen apps since most of them are bloat. but if you dont want to reset your phone, this is the only choice
Well hell yeah..i dont wanna install a 3rd party app for lockscreen
So you're telling me that the only reasonable solution is to flash stock again?
Damn, i hate flashing stock because it only works and wont give me a bootloop if i follow these steps: 1. Reflash 5.1.1 first // 2. Flash 6.0.1 ....... flashing 6.0.1 1st will give me bootloop
Ok, so i would suggest you to go in twrp mode(if you have one), then mount the system/go to twrp's file manager/ data/system find :
password.key
pattern.key
locksettings.db
locksettings.db-shm
locksettings.db-wal
and delete them, reboot, set up the lockscreen. Not sure if it will work for you , though it worked for me.
Ok. Thanks
So i tried your method. I only found the "locksettings" files. I deleted the files.
Now i can enter the menu to select my lockscreen method, BUT it seems none of the options are effective. I set a pattern/password/pin but my lockscreen is still on swipe....
Any idea?
PS: maybe i might have deleted some necessary files/apks when i debloated my phone. my phone is very light now . I only have a few necessary apps
Lawr3nce said:
Ok. Thanks
So i tried your method. I only found the "locksettings" files. I deleted the files.
Now i can enter the menu to select my lockscreen method, BUT it seems none of the options are effective. I set a pattern/password/pin but my lockscreen is still on swipe....
Any idea?
PS: maybe i might have deleted some necessary files/apks when i debloated my phone. my phone is very light now . I only have a few necessary apps
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I missed a word, that's why you didn't find the other files, the right name should be 'gesture.password.key' and 'gesture.pattern.key' , try deleting these 2 followed by the other 3 you deleted earlier.
Since this method didn't work you either deleted a necessary file manually, or the script you used for debloating deleted that file.
No other idea though, but you might trying flashing the system.img file using odin( if the trick above doesn't do the job, or if you are too lazy to flash the whole firmware) ?

Lockscrean swipe to unlock + fingerprint

I have redmi 4 prime and the fingerprint works great. I would like to use it, but when the phone is on desk or on a car phone stand I am unable to use it. So I would like to have swipe to unlock with fingerprint working toghether.
Is there any mods for making this possible?
If you're using AOSP based ROM, you can delete /data/system/locksettings.db in root explorer or TWRP file explorer. This method doesn't work on MIUI ROM. If you want to add another fingerprint you must add password first and delete the file again
NikeX said:
I have redmi 4 prime and the fingerprint works great. I would like to use it, but when the phone is on desk or on a car phone stand I am unable to use it. So I would like to have swipe to unlock with fingerprint working toghether.
Is there any mods for making this possible?
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If swipe to unlock is Working than why you need FP? You need a pin.

LGK20+ (STILLL UNLOCKED) but forgot screeen loco pin ! ! !

I have kept my phone from locking for a day because I Forgot the lockscreeen passsword while changing it on LGK20+, I'm roooted is there any way to disable/delete the lockscreeen pin using twrp? I read an article online that says I can delete a few files ending in .key and i willl be able to set a new passsword can any1 confirm that or have an easier way to disable my lockscreeen pin ( i've prevented it from locking so far),,,...
Pitchblack Recovery, which you can download from a thread on our K20plus forum, has an option within advanced tools with several useful scripts one of which is removing Fingerprint/PIN passwords. It deletes some specific files but I'm not sure of the full extent of these scripts.

Fingerprint isn't working on custom rom (second user / multiuser)

Hi,
Having the next issue in every single rom that I test:
a. Create a new user and follow steps
b. Try to add a new fingerprint in the new user that you create (Have to be different finger) you can't use another finger or user fingerprint for the second user (first bug)
c. Once it tries to read the second fingerprint from the second user it fails, and the fingerprint of the first user is automatically deleted (second bug)
d. Switch to the first user and back to the second user from the lockscreen over and over, animations with time will be slow and phone too (third bug)
Have this log from RR 8.6.1:
https://pastebin.com/k5E6i0tY
And this from Nusantara 1.1:
https://pastebin.com/xDi76sjN
I found a solution for this bug, but only works on Redmi Note 4:
https://forum.xda-developers.com/redmi-note-4/help/fingerprint-custom-rom-mido-t3894366
There's any solution to this problem?
Thanks in advance.
Had any luck?
Vitrixzyn said:
Hi,
Having the next issue in every single rom that I test:
a. Create a new user and follow steps
b. Try to add a new fingerprint in the new user that you create (Have to be different finger) you can't use another finger or user fingerprint for the second user (first bug)
c. Once it tries to read the second fingerprint from the second user it fails, and the fingerprint of the first user is automatically deleted (second bug)
d. Switch to the first user and back to the second user from the lockscreen over and over, animations with time will be slow and phone too (third bug)
Have this log from RR 8.6.1:
https://pastebin.com/k5E6i0tY
And this from Nusantara 1.1:
https://pastebin.com/xDi76sjN
I found a solution for this bug, but only works on Redmi Note 4:
https://forum.xda-developers.com/redmi-note-4/help/fingerprint-custom-rom-mido-t3894366
There's any solution to this problem?
Thanks in advance.
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Where you able to find the fix for the RN7?
gironth said:
Where you able to find the fix for the RN7?
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Click to collapse
Not yet :/
The solution is some kind of glitch/exploit but not something too hard
1) Go to Developer settings (you probably know how to access them)
2) Find the OEM unlocking option
If it is on turn it off and reboot for it to take effect
If it is off, turn it on accept whatever it tells you for dangers and stuff, turn it back off and reboot
It should work now
gabtit7 said:
The solution is some kind of glitch/exploit but not something too hard
1) Go to Developer settings (you probably know how to access them)
2) Find the OEM unlocking option
If it is on turn it off and reboot for it to take effect
If it is off, turn it on accept whatever it tells you for dangers and stuff, turn it back off and reboot
It should work now
Click to expand...
Click to collapse
I hope this work.
Currently I'm on MIUI is the only ROM that have no issue with second space, dual space. multiuser or dual apps.
Thanks!
I will be on reporting.
gabtit7 said:
The solution is some kind of glitch/exploit but not something too hard
1) Go to Developer settings (you probably know how to access them)
2) Find the OEM unlocking option
If it is on turn it off and reboot for it to take effect
If it is off, turn it on accept whatever it tells you for dangers and stuff, turn it back off and reboot
It should work now
Click to expand...
Click to collapse
Havoc 3.7 hasn't OEM unlocking option.
I having the exactly same problem on Pixel Experience +
Pixel Experience neither
Vitrixzyn said:
Havoc 3.7 hasn't OEM unlocking option.
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Click to collapse
rgazapo said:
Pixel Experience neither
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Actually I found out that no one can fix this error. Lavender builders just don't care because they don't use the option or it's not a priority for them.
It's a shame.
rgazapo said:
Pixel Experience neither
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Did u find a fix? I have Pixel Experience plus too
TheLokins47 said:
Did u find a fix? I have Pixel Experience plus too
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Click to collapse
Sorry but no, I have to switch to MIUI

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