Help unknown source

[Kawsar4s]

How to protect my phone from Unknon Source application? 

[RαʝҽʂԋKυɱαɾ21]

DISABLE PERMISSION FOR APP INSTALLING BY UNKOWN SOURCES

SETTINGS > APPS > SPECIAL PERMISSION > ALLOW APP INSTALL BY UNKOWN SOURCES

[Kawsar4s]

How to disable?

[RαʝҽʂԋKυɱαɾ21]

FOLLOW ABOVE WRITTEN STEPS 👆

[Kawsar4s]

If i allow then install unknown source (Android 11) not Android 6
Thanks for your cooment.

[RαʝҽʂԋKυɱαɾ21]

YOU MISUNDERSTOOD THAT
READ FULL COMMENT

THAT OPTION HAVE MANY APPS SETTINGS FOR INSTALL APPS
YOU HAVE TO DISABLE THAT

SETTINGS > APPS > CLICK ON 3DOTS > SPECIAL ACCESS > INSTALL UNKNOWN APPS [ DISABLE ALL APPS PERMISSION EXCEPT GALAXY STORE AND PLAYSTORE ]

SEE THIS TWO SCREENSHOTS

IF YOU FOUND HELPFUL ACCEPT AS SOLUTION BY CLICKING ON 3DOTS OF COMMENT 👍

[Kawsar4s]

Thank for comments