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Other settings : Security & location
•
Install
the app and open its settings to adjust options, like enabling fingerprint unlock.
•
Consult the app's help info for more instructions.
Why am I still asked for PIN/pattern?
For maximum security, you still need to enter your pattern, PIN, or password:
•
Every time you power up your phone
•
When more than 72 hours have passed since you last unlocked the phone
•
When you go to Settings > Security & location > Fingerprint
•
When the sensor can't read the fingerprint
Fix a problem
Problem: Sometimes the sensor can't read my fingerprints.
Each finger has a unique print. If you've added only one fingerprint, add more for other fingers you want to use with
the sensor.
The sensor may have trouble reading fingerprints if your finger is:
•
Wet
•
Oily
•
Dirty
•
Injured
If a registered fingerprint isn't working as expected,
fingerprints for your other fingers and use them until healed.
Problem: Fingerprint option disappeared from Security & location menu.
After each troubleshooting step, check to see if your issue is fixed.
1.
Turn your phone off and then on again.
2.
Check if a
software update
3.
Check for app updates.
Open
the Play Store app and touch
4.
Use
safe mode
to see if apps you installed are causing the issue and uninstall as needed.
If the sensor works correctly in safe mode, a 3rd party app is probably causing the issue. These apps can
cause issues: lock screen apps, app locks that use the fingerprint sensor, RAM boosters, and RAM cleaners.
5.
Reset
the phone.
remove
is available for your phone.
> My apps & games.
and re-add the fingerprint. If your finger is injured, add
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