After one UI 2 updated M30s

[9738860400]

same of feature are missing like 

#app lock, 

#3 finger screenshot...

 #Default font like cool jazz 

[dev2311]

app lock...well u can find that in s secure...if you don't have it download it from galaxy store. 3 finger screenshot I don't have any idea about that....and about default font...you can find that in setting menu display option...hopefully it helps you.

[9738860400]

ya ok thanks

[User7994]

What about the screen recorder.

[9738860400]

my Samsung galaxy m30s hang and restart after updating of one ui 3.1