Security policy

[mycoz1]

Hello ?

I have a samsung A21 when I try to turn on data it says unable to turn on data due to security policy and it can't make calls either. 

What could be the problem? Please help

[ObakengHMakgoka]

Software update but I recommend factory reset

[nhlalal]

Hello I have a Samsung a05s it keeps showing a message that says security policy restricts clearing of application data how can I remove this message