Tutorial to get the fingerprint sensor working again[tested on LG Velvet 4G Dual SIM] - LG Velvet Questions & Answers

I found the solution when you unlock the device it completely loses the calibration of the fingerprint, it is necessary to calibrate again using a digital calibrator, or a white sheet, a sheet or very dark object and finally the finger itself steps
NOTE: THE DEVICE MUST NOT BE USING ANY TYPE OF SCREEN SAVER OR THE LAST PART OF THE CALIBRATION WILL FAIL
1 - access the menu of velvet 4g engineer with code 462633*#910#
2 -SVC Menu -> Handprint -> HandID Logging "ON"
3 - Go to the start of the menu and then navigate to "Device Test" -> SAAT -> Manual Test -> Optical FingerPrint Test
4 - the first step you need to place a white bond sheet on top of the reader or the white part of the digital calibrator
5 - the second step is to place a black sheet or some black object that completely covers the fingerprint icon, or again use the black box of the fingerprint calibrator
6 - lastly do you use your own finger to cover the scan or do you use the part of the digital caliper that mimics the surface of the finger
7 - after all this you can go to the settings and add your fingerprint again
8 - I restarted my device and the HandID was already turned off, if your device stays on go back to step 2 and mark the option with OFF
link to calibration tool:
https://a.aliexpress.com/_mLj1PQ4

Related

All about samsung galaxy note 3

friends
Post here your expreince regaeding your note 3 such app , home screan, setting and other.
Thanks,
:good:
#1 – Never lose your S Pen!
The S Pen is integral to the power of the Galaxy Note 3 – not something you want to lose. Here’s how you can set the Note 3 to alert you that you may have left the stylus behind:
Go to Settings > Controls > S Pen
Uncheck “Turn off pen detection”
Check S Pen keeper
This will only work when the screen is off, and if you press “okay” when it warns you once, it won’t warn you again until you redock the S Pen and leave it behind again. So be careful!
#2 – Control your Galaxy Note 3 while wearing gloves
The capacitive screen on the Note 3 isn’t only good for writing and drawing with a stylus, it can also be set to operate while wearing gloves, but you’ve got to enable the option:
Go to Settings > Controls > Increase touch sensitivity (it’s the very last option)
Turn this ON!
#3 – Type with one hand
The Galaxy Note 3 is HUGE which may turn some small-handed people away, but if difficulty in one-handed typing is a concern, please know you can adjust your keyboard accordingly!
Go to Settings > Controls > One-handed operation
Check “Use for all screens”
Only check other boxes if you want them automatically resized all the time
The S Pen also makes typing with Swype an absolute pleasure… give that a try as well!
#4 – Block notifications while you’re sleeping
You don’t want to miss an important call or text from a family member or friend in case of emergency, but notifications from apps and drunk dialing idiots threaten to keep you up all night. And those stinking LED notification lights are BRIGHT! Luckily the Note 3 has a feature for this specific problem called “Blocking Mode”:
Go to Settings > Device > Blocking Mode (the last option)
Turn the feature on
Press “Blocking Mode” to set options
UNCHECK “Turn alarm and timer” unless you want to be late for work
UNCHECK “Always” and set the time period you’re sleeping (otherwise turn this feature on/off at night and in the morning)
MAKE SURE you set your list of “Allowed Contacts” who can bypass this feature (family, friends, booty calls, etc…)
#5 – Lower the screen saturation and contrast
Is Samsung’s outrageously bright and colorful Super AMOLED screen a little TOO bright and colorful? You can do more than lower the screen brightness and instead tone down the contrast and saturation:
Go to Settings > Device > Display > Screen Mode
Select “Professional photo” or “Movie” to tone down the screen if you feel the colors are too vibrant
It doesn’t have a huge impact but it can certainly help.
#6 – Vibrations too strong?
The default notification vibrations are pretty darn strong! You can turn them down:
Go to Settings > Device > Sound > Vibration Intensity
Adjust your incoming call, notification, and haptic feedback vibrations as you see fit!
You can also set your phone to vibrate even when ringing (great if you’re at a bar, party, concert, or other loud place) and change the pattern of the vibration from the same settings area.
#7 – Show the battery percentage in the status bar
It can be really annoying trying to guess how much battery you have left by estimating how much of your little icon is filled up with green. We want numbers! Here is how you can put your exact percentage in the notification bar:
Go to Settings > Device > Display
Scroll down and select “Show battery percentage”
Ah… much more helpful.
#8 to #12 – Motion controls annoying? Only enable these!
Samsung has a boat load of features that detect your eyes and your hands and attempt to behave automatically based on your intents. Most can be annoying but some are pretty useful. I recommend turning ALL of them off except the following. Go to the Settings > Controls > Motion Control section for all of the below:
See notifications without touching your phone!
Air gesture > Quick Glance > On. Wave your hand over the screen for a quick look at notifications. (Turn Air jump, Air browse, and Air call-accept off)
Added Stylus hovering functionality!
Air view mode > On > Auto. This provides extra features when hovering over items with the S Pen, for example popping up larger images when browsing the gallery or scrolling pages up/down. Open “Air view pen options” to see exactly where it works.
Special Air Command Features!
Air Command > On: Quickly add recent attachments and frequent recipients by hovering over these respective fields
Turn both Motions & Palm Motions OFF
Prevent screen from sleeping when you’re looking at it!
Smart Screen > Smart stay > On. Uncheck the rest of these features.
#13 – Search for settings
Already overwhelmed? You can now search your settings to more easily find hidden options!
From the home screen press the Menu button
Select “Settings”
Tap “Search” at the top and have at it! Don’t forget this feature is here… it’s very useful.
#14 – Customize your quick settings buttons
Prefer to have different quick setting toggles in your notification bar? You can change them easily:
Pull down the notification bar
Tap the square icons at the top right
Tap the pencil icons at the top right
Drag available buttons to the Notificaion panel (you’ll have to replace an existing button)
Re-order as you like by dragging and dropping
#15 to #18 – Customize your lock screen
Your lock screen can be more than just a lock screen… you’ve just got to set it up. You can find all of these options in:
Settings > Device > Lock Screen.
15) Add quick launch icons to your lock screen.
Shortcuts > On. Further customize by tapping the icons and selecting your own quick launch apps!
16) Add widgets to your lock screen
Multiple Widgets > On > Favorite Apps. The “Camera” option is relatively useless since you can set a quick launch icon (above) to your camera and it launches much more quickly and smoothly.
17) Personalize with contact info and personal message
If you lose your phone, it’s helpful if your screen shows your contact information so a good samaritan can help you retrieve your device. You might also want to add a little of your own pizzaz.
18) Create a memo without unlocking
Action Memo on lock screen > On. To create an “Action Memo” without unlocking your phone, simply hold down the S Pen button and tap anywhere on the lock screen twice. An Action Memo note will immediately pop up at your disposal! Make sure the setting is enabled in
#19 to #25 – Home Screen Shortcuts
When you’re on the home screen the following buttons provide extra functionality.
19) Hold back button to enable/disable Multi Window
20) Double Press Home Button for S Voice
21) Hold Home button for Recent Apps and access to RAM Manager and Google Now
22) Press Home Button for My Magazine
23) Swipe up from the home button for My Magazine
24) Hold Menu Button for S Finder
25) Press Menu Button to edit your Home Screens, access settings, and read help docs
#26 – Prevent Air Command from launching when stylus removed
Air Command is greatly, but you might get restless if the menu pops up EVERY time you remove the Stylus. You can choose to turn this off (or toggle to automatically open Action Memo, which is probably more annoying).
Go to Settings > Controls > S Pen > Pen detachment options
Select “None”
#27 – Capture screen without S Pen & Screen Writer
To get a screen capture without using Air Command, simply hold the Home and Power Button at the same time. You can also prevent the screen captures from entering edit mode by going to Settings > Device > Display > Edit after screen capture (the last option)
#28 – Turn your phone into a Senior Citizen Saver
Did you buy the Galaxy Note 3 for Grandma or Grandpa because they don’t need a telescope to read the print on the HUGE 5.7 inch screen? Make things even simpler by transforming their phone into an incredibly basic layout that’s hard to NOT understand.
Go to Settings > Device > Easy Mode
Turn it on!
#29 – Display your app drawer in alphabetical order
If you’ve got a ton of apps, flipping through page after page to get to something specific can be a hassle. You can change the layout of your app drawer very easily to make it more convenient:
Open you app drawer
Press the menu button
Press “View type”
Select either “Alphabetical list” or “Alphabetical grid” depending on your preference
#30 – Unlock your phone by saying “Hi Galaxy”
I’ve seen many people complain that saying “Hi Galaxy” won’t work and they can’t find the option in the Note’s settings. That’s because the option is actually hidden in the settings of the S Voice app!
Open S Voice (double tap Home Button or open from your app tray)
Press the Menu button
Select “Settings”
Check “Wake up command”
Turn “Voice wake-up” On to activate S Voice even while the screen is off!
Note: “Hi Galaxy” won’t simply unlock you’re phone… it must be followed by a voice command to become useful (see below)
To see full artical click below link
phandroid.com/2013/10/04/galaxy-note-3-tips-tricks/
Sent from my SM-N900 using xda app-developers app
Thank you sadekul1985
sadekul1985 said:
#1 – Never lose your S Pen!
To see full artical click below link
phandroid.com/2013/10/04/galaxy-note-3-tips-tricks/
Sent from my SM-N900 using xda app-developers app
Click to expand...
Click to collapse
See notifications without touching your phone!
Air gesture > Quick Glance > On. Wave your hand over the screen for a quick look at notifications. (Turn Air jump, Air browse, and Air call-accept off)
^^ This feature won't work if you have it switched on and the 'Palm Motions' off. So, if you want to use the above feature, make sure to switch the Palm motion on.
Also, there are a lot more features which I thought were not working in my phone at first, but then I realised that we need to switch on some other features to make them work. Hence, if you think that any of the motion feature doesn't works on your phone then switch on all, yes all of them and then try it. It should probably work then!
sadekul1985 said:
#4 – Block notifications while you’re sleeping
You don’t want to miss an important call or text from a family member or friend in case of emergency, but notifications from apps and drunk dialing idiots threaten to keep you up all night. And those stinking LED notification lights are BRIGHT! Luckily the Note 3 has a feature for this specific problem called “Blocking Mode”:
Go to Settings > Device > Blocking Mode (the last option)
Turn the feature on
Press “Blocking Mode” to set options
UNCHECK “Turn alarm and timer” unless you want to be late for work
UNCHECK “Always” and set the time period you’re sleeping (otherwise turn this feature on/off at night and in the morning)
MAKE SURE you set your list of “Allowed Contacts” who can bypass this feature (family, friends, booty calls, etc…)
Click to expand...
Click to collapse
When I tried this using the timer, it never turned off, I missed a call next morning about a job interview.
Are there any settings elsewhere that interfere?
Sent from my Nexus 10 using xda app-developers app
Sent from my SM-N900 using xda app-developers app
sadekul1985 said:
#1 – Never lose your S Pen!
The S Pen is integral to the power of the Galaxy Note 3 – not something you want to lose. Here’s how you can set the Note 3 to alert you that you may have left the stylus behind:
Go to Settings > Controls > S Pen
Uncheck “Turn off pen detection”
Check S Pen keeper
This will only work when the screen is off, and if you press “okay” when it warns you once, it won’t warn you again until you redock the S Pen and leave it behind again. So be careful!
#2 – Control your Galaxy Note 3 while wearing gloves
The capacitive screen on the Note 3 isn’t only good for writing and drawing with a stylus, it can also be set to operate while wearing gloves, but you’ve got to enable the option:
Go to Settings > Controls > Increase touch sensitivity (it’s the very last option)
Turn this ON!
#3 – Type with one hand
The Galaxy Note 3 is HUGE which may turn some small-handed people away, but if difficulty in one-handed typing is a concern, please know you can adjust your keyboard accordingly!
Go to Settings > Controls > One-handed operation
Check “Use for all screens”
Only check other boxes if you want them automatically resized all the time
The S Pen also makes typing with Swype an absolute pleasure… give that a try as well!
#4 – Block notifications while you’re sleeping
You don’t want to miss an important call or text from a family member or friend in case of emergency, but notifications from apps and drunk dialing idiots threaten to keep you up all night. And those stinking LED notification lights are BRIGHT! Luckily the Note 3 has a feature for this specific problem called “Blocking Mode”:
Go to Settings > Device > Blocking Mode (the last option)
Turn the feature on
Press “Blocking Mode” to set options
UNCHECK “Turn alarm and timer” unless you want to be late for work
UNCHECK “Always” and set the time period you’re sleeping (otherwise turn this feature on/off at night and in the morning)
MAKE SURE you set your list of “Allowed Contacts” who can bypass this feature (family, friends, booty calls, etc…)
#5 – Lower the screen saturation and contrast
Is Samsung’s outrageously bright and colorful Super AMOLED screen a little TOO bright and colorful? You can do more than lower the screen brightness and instead tone down the contrast and saturation:
Go to Settings > Device > Display > Screen Mode
Select “Professional photo” or “Movie” to tone down the screen if you feel the colors are too vibrant
It doesn’t have a huge impact but it can certainly help.
#6 – Vibrations too strong?
The default notification vibrations are pretty darn strong! You can turn them down:
Go to Settings > Device > Sound > Vibration Intensity
Adjust your incoming call, notification, and haptic feedback vibrations as you see fit!
You can also set your phone to vibrate even when ringing (great if you’re at a bar, party, concert, or other loud place) and change the pattern of the vibration from the same settings area.
#7 – Show the battery percentage in the status bar
It can be really annoying trying to guess how much battery you have left by estimating how much of your little icon is filled up with green. We want numbers! Here is how you can put your exact percentage in the notification bar:
Go to Settings > Device > Display
Scroll down and select “Show battery percentage”
Ah… much more helpful.
#8 to #12 – Motion controls annoying? Only enable these!
Samsung has a boat load of features that detect your eyes and your hands and attempt to behave automatically based on your intents. Most can be annoying but some are pretty useful. I recommend turning ALL of them off except the following. Go to the Settings > Controls > Motion Control section for all of the below:
See notifications without touching your phone!
Air gesture > Quick Glance > On. Wave your hand over the screen for a quick look at notifications. (Turn Air jump, Air browse, and Air call-accept off)
Added Stylus hovering functionality!
Air view mode > On > Auto. This provides extra features when hovering over items with the S Pen, for example popping up larger images when browsing the gallery or scrolling pages up/down. Open “Air view pen options” to see exactly where it works.
Special Air Command Features!
Air Command > On: Quickly add recent attachments and frequent recipients by hovering over these respective fields
Turn both Motions & Palm Motions OFF
Prevent screen from sleeping when you’re looking at it!
Smart Screen > Smart stay > On. Uncheck the rest of these features.
#13 – Search for settings
Already overwhelmed? You can now search your settings to more easily find hidden options!
From the home screen press the Menu button
Select “Settings”
Tap “Search” at the top and have at it! Don’t forget this feature is here… it’s very useful.
#14 – Customize your quick settings buttons
Prefer to have different quick setting toggles in your notification bar? You can change them easily:
Pull down the notification bar
Tap the square icons at the top right
Tap the pencil icons at the top right
Drag available buttons to the Notificaion panel (you’ll have to replace an existing button)
Re-order as you like by dragging and dropping
#15 to #18 – Customize your lock screen
Your lock screen can be more than just a lock screen… you’ve just got to set it up. You can find all of these options in:
Settings > Device > Lock Screen.
15) Add quick launch icons to your lock screen.
Shortcuts > On. Further customize by tapping the icons and selecting your own quick launch apps!
16) Add widgets to your lock screen
Multiple Widgets > On > Favorite Apps. The “Camera” option is relatively useless since you can set a quick launch icon (above) to your camera and it launches much more quickly and smoothly.
17) Personalize with contact info and personal message
If you lose your phone, it’s helpful if your screen shows your contact information so a good samaritan can help you retrieve your device. You might also want to add a little of your own pizzaz.
18) Create a memo without unlocking
Action Memo on lock screen > On. To create an “Action Memo” without unlocking your phone, simply hold down the S Pen button and tap anywhere on the lock screen twice. An Action Memo note will immediately pop up at your disposal! Make sure the setting is enabled in
#19 to #25 – Home Screen Shortcuts
When you’re on the home screen the following buttons provide extra functionality.
19) Hold back button to enable/disable Multi Window
20) Double Press Home Button for S Voice
21) Hold Home button for Recent Apps and access to RAM Manager and Google Now
22) Press Home Button for My Magazine
23) Swipe up from the home button for My Magazine
24) Hold Menu Button for S Finder
25) Press Menu Button to edit your Home Screens, access settings, and read help docs
#26 – Prevent Air Command from launching when stylus removed
Air Command is greatly, but you might get restless if the menu pops up EVERY time you remove the Stylus. You can choose to turn this off (or toggle to automatically open Action Memo, which is probably more annoying).
Go to Settings > Controls > S Pen > Pen detachment options
Select “None”
#27 – Capture screen without S Pen & Screen Writer
To get a screen capture without using Air Command, simply hold the Home and Power Button at the same time. You can also prevent the screen captures from entering edit mode by going to Settings > Device > Display > Edit after screen capture (the last option)
#28 – Turn your phone into a Senior Citizen Saver
Did you buy the Galaxy Note 3 for Grandma or Grandpa because they don’t need a telescope to read the print on the HUGE 5.7 inch screen? Make things even simpler by transforming their phone into an incredibly basic layout that’s hard to NOT understand.
Go to Settings > Device > Easy Mode
Turn it on!
#29 – Display your app drawer in alphabetical order
If you’ve got a ton of apps, flipping through page after page to get to something specific can be a hassle. You can change the layout of your app drawer very easily to make it more convenient:
Open you app drawer
Press the menu button
Press “View type”
Select either “Alphabetical list” or “Alphabetical grid” depending on your preference
#30 – Unlock your phone by saying “Hi Galaxy”
I’ve seen many people complain that saying “Hi Galaxy” won’t work and they can’t find the option in the Note’s settings. That’s because the option is actually hidden in the settings of the S Voice app!
Open S Voice (double tap Home Button or open from your app tray)
Press the Menu button
Select “Settings”
Check “Wake up command”
Turn “Voice wake-up” On to activate S Voice even while the screen is off!
Note: “Hi Galaxy” won’t simply unlock you’re phone… it must be followed by a voice command to become useful (see below)
To see full artical click below link
phandroid.com/2013/10/04/galaxy-note-3-tips-tricks/
Sent from my SM-N900 using xda app-developers app
Click to expand...
Click to collapse
Yeah umm you should make a YouTube video of all the steps. I bet you would get thousands of hits.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app

[FRP] Android 5.1 FRP Vulnerability I Found

[FRP] Android 5.1 FRP Vulnerability I Found
I just found this UI bug/vuln when freestyling trying ways to bypass FRP on an old HTC Desire 626 here - https://forum.xda-developers.com/desire-626/general/frp-htc-desire-626-verizon-prepaid-t3942397
It would be great to see others give it a run for it's money on their 5.1 devices so we can know how widespread this is and what else it will work on. It's old yes but I haven't seen anyone come across it yet.
Whats Needed:
-Tiny bit of time
-Quick Fingers
NOTE-> If going through [Recent Apps] -> *Settings* -> *Screen Pinning* does not allow you to backup into settings.. Then select the other option *Running Apps* and backup into settings using it. Reason i say this is because I have found if i do not go in the order i describe below then backing up into settings from after screen pinning it won't backup into settings unless i select *Running Apps* and go back from there.
Enable accessibility by holding 2 fingers on the homescreen, when enabled, draw an L shape starting at the top of the screen. At the top right you will see a half circle that says [Talkback Settings]. Press this and then follow through to the Talkback Settings. Using two fingers touch the screen and move up with your fingers to scroll the screen now scroll down until you see *Talkback suspend and resume* and enable this. Make a backwards L swipe. Swipe out from the right far over to the left side almost to the edge then up to the top. Make sure you swipe the line over for the bottom of the L shape almost over to the other side of the screen before you draw up with it. You might have to do it a few times and play around with your starting point up and down the right side of the screen and over in the middle close to the edge of the screen where you go back up the screen. You will get it eventually. Now press both volume buttons to disable Talkback. You should now be in Recent Apps and at the top right will be 3 dots. Select these and press [Settings] and enable *Screen Pinning* then press back until you get into Settings then go down to [Backup and Reset] and click on this then [Reset Phone].. Now here is where it gets fun! We are going to quickly bypass Android 5.1's protection disabling the ability to press the *OK* button you see at the bottom. You are going to want to go back a screen to start. Next press on [Reset Phone] and now with your right thumb quickly hit OK and as soon as you do this you will see where the box pops up and know where the OK button on it is. So position your right thumb or w/e finger you can press with quickly over the area where the *OK* would be or remember the spot and go back a screen and repeat the process. Eventually because of doing this the system will slow down some and the box will stay longer so you've more time to click *OK*. You will see it works if you do it quick enough.
Bingo. Done. Phone will restart completely reset and you have now bypassed FRP.
Please post your results and let us all know if it worked on your device!
q=]
-noidodroid
Anyone else spend anything unusual from older Android variants Chris Murphy

Xiaomi Redmi 8, vertical short grey line after miui 12 update

Hi, I just updated my Xiaomi Redmi 8 with Miui Global version (12.0.1.0 - QCNMIXM).
Everything's good except for a short vertical grey line (1 cm i think) that suddenly appeared close to the left upper side of the screen, after the version update.
Thing is, it appears on most of the windows, but when I switch to a 'deeper' screen - such as 'About Phone', 'Security Status' etc (which all have a white background) - no line appears.
There is nothing hiding it. That is, even when scrolling - the line is missing. But on the general 'Settings' page with identical background - it does (and on other apps).
So I think that rules out any physical screen damage (also my phone barely fell and never severely damaged in the year I own it), and it doesn't seem like dead pixels or something.
There are other strange phenomenons:
1)line is slowly going down with time, I mean at first it appeared slightly upper than it is now.
2) when I take a screenshot - the line doesnt show.... would
I have attached 'Miui Version' and 'Security Status' pages images without the grey line + Settings with grey line (shot with another phone) and same Settings page screenshot from the phone itself without the line.
Thanks for your help!
Open notes app choose the second menu from the vertical tab( gray square with a right symbol) on the menu open settings by clicking icon at the top right corner and uncheck use task toolbox
Enjoy

After screen replacement indisplay fingerprint not working.

After screen replacement indisplay fingerprint not working. Showing Callibration needed.. Tell me how to do the callibration.. DEVICE NAME: SAMSUNG GALAXY A50..
Tell me if any software can solve this problem.
Here some steps to do you watch and do calibration manually in your mobile
To manually calibrate the handset perform the following steps:
From the home screen, press the Menu key.
Tap Settings.
Scroll to and tap Phone Settings.
Tap Calibration. ...
Tap all crosshairs until the message “Calibration Completed.

[HELP] Fingerprint not working Root/Unlocked LG Velvet 4G

Root/Unlocked LG Velvet 4G fingerprint sensor not working cannot setup fingerprint HELP!
Redicat said:
Root/Unlocked LG Velvet 4G fingerprint sensor not working cannot setup fingerprint HELP!
Click to expand...
Click to collapse
Hi!
I have the same issue. After unlocking the bootloader the fingerprint sensor does not work anymore. I am using the EMW Image in version 0904. All other features are working fine. But the fingerprint registration failed everytime.
If someone have an idea or solution, I would be happy!
I found the solution on: https://forum.xda-developers.com/t/...-gcam-buffer-fix-and-fingerprint-fix.4296789/
"Fixing your fingerprint reader
After the bootloader unlock, you will no longer be able to register fingerprints. This can be fixed using the following steps:
Launch the hidden service menu by dialing #*462633*#910# (might require an inserted SIM card)
SVC Menu -> Handprint -> HandID Logging "ON"
Go to the start of the menu and then navigate to "Device Test" -> SAAT -> Manual Test -> Optical FingerPrint Test
Press SEVERAL times firmly on the green button until it says FAILED, confirm and exit the menu
Go to settings and set up your fingerprints!
AFAIK, you can now disable "HandID Logging" again"
Thanks but the scanner is stopping the registration at 35% - everytime. Seems to be a software problem. :-(
I found the solution when you unlock the device it completely loses the calibration of the fingerprint, it is necessary to calibrate again using a digital calibrator, or a white sheet, a sheet or very dark object and finally the finger itself steps
NOTE: THE DEVICE MUST NOT BE USING ANY TYPE OF SCREEN SAVER OR THE LAST PART OF THE CALIBRATION WILL FAIL
1 - access the menu of velvet 4g engineer with code 462633*#910#
2 -SVC Menu -> Handprint -> HandID Logging "ON"
3 - Go to the start of the menu and then navigate to "Device Test" -> SAAT -> Manual Test -> Optical FingerPrint Test
4 - the first step you need to place a white bond sheet on top of the reader or the white part of the digital calibrator
5 - the second step is to place a black sheet or some black object that completely covers the fingerprint icon, or again use the black box of the fingerprint calibrator
6 - lastly do you use your own finger to cover the scan or do you use the part of the digital caliper that mimics the surface of the finger
7 - after all this you can go to the settings and add your fingerprint again
8 - I restarted my device and the HandID was already turned off, if your device stays on go back to step 2 and mark the option with OFF
link to calibration tool:
https://a.aliexpress.com/_mLj1PQ4

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