Not able to make and receive calls after the beta update. When someone calls me, they get the message that the mobile is switched off and when I try calling I get an engaged tone.

When i am using facebook display color change

Display color dim full for when i am using Facebook and other application

Need apAfter every call my network comes to 4g automatic but when I disconnect the it will not come back to 5g automatic I have to on flight mode for 5g network very irritating so please fix thisplication lock switch 5g to 4g when i am calling