Samsung — Samsung galaxy m30s . I m complaining about major problems from Samsung m30s

First Name : Chirag
Last Name : Chauhan
Email Id : asyouknow03.[protected]@gmail.com
Contact Number : [protected]
Request type : Complaint
Product Model Number : SM-M307F\DS
Product Serial number : RZ8M93EKVKE

Sir,
I am facing major problem from my Samsung galaxy m30s mobile phone. My mobile have major issues like it stop suddenly while I am using it the screen freezes and start’s restarting and then freeze on Samsung galaxy m30s powered android logo then after taking lots time it’s starts and then the screen shows system UI is not responding and one UI crashed . I just want my mobile to be properly working you may replace it by new one but do it fast because, my exams are coming, nearly 2 months later my exams are starting . I want my mobile back . Cause due to this issue I cannot study. Please reply immediately ...