Samsung bad service

I purchased a Samsung A32 last year late OCTOBER and this year in February the phone screen could not slide its unresponsive and I took the phone to MM electronics at REVONIA where I was told its software problem and it was fixed and before the end of February it did the very same thing and I took it back and it was for the second time in one month and it was fixed again and now for the third time this year on the 26 MARCH 2023 it froze again and on the 27th I took it back to MM electronics and it stayed there for a week and I collected the phone on the 6th May 2023 and the technician told me that the phone is working perfectly fine after it was flushed and loaded with software again.To my surprise when I got home inserting the sim card uploading my stuff the phone froze again and till now the touch is not working. I called Samsung logging a complaint but it seems its still not helping with anything cause now I'm told there wont be any exchange cause the phone its over 6months now but to my surprise the phone started giving me this problem within that 6months and it went to their technicians who cant seems to know what's wrong with the phone cause even today the 8th of MAY 2023 THE TOCH OF THE PHONE IS STILL NOT WORKING. Kindly assist me cause I don't know what to do now