Apk not installed

[Luigi Sartorato]

Hi all, i would a little help. In 6.0 marshmallow i try to install a my modified apk (change png icon for whats app.Facebook ect) but it's failed. In previous android version works fine. Do you know like to jump this block set in 6.0? Thank you. Bye

 

[B. Diddy]

Welcome to Android Central! Is "Unknown Sources" checked in ​Settings>Security?

 

[Luigi Sartorato]

yes it's checked! , but in case of i try to install a package downloaded from pc it's works fine, in case of i modiefied the package,( change some png file) the installation doesn't work. In previous android version all works.

 

[B. Diddy]

Sorry, I'm not sure about that. Hopefully someone else can chime in! It might be helpful to know which device you have.

 

[Luigi Sartorato]

Samsung j5 with Android 6.0.1 on Standard Samsung Rom