One ui3.1 update

[Vickybarot]

After update some apps was not work properly in A21s 

[Strangeneria]

Clear cache of those apps

[Vickybarot]

Ok

[Strangeneria]

Ok !

[Sidhabhi]

Check galaxy store and update those apps (if available)
Or
Clear cache of those apps

[Samsung_Support1]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please perform the below mentioned steps to resolve the issue:

* Check rebooting your device. 

* Check app cache: Clear cache memory of a particular application: Setting >Apps >Now pick the app. For example 'Samsung Internet' >Storage >Clear Cache.

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support