After software updation my second sim is not working. Any solution

Hi,I am using galaxy a51. But s secure app not woking. Is there any solution.

S Secure is not working in A51 and not available in galaxy store. Is there any solution.

Hi, I am using Galaxy A51. And i bought from UAE. But the phone performing level is very bad. So i doubted this one original or not. Is there any way to prove the originality of phone and can i know the warranty started date?