Samsung itself is a worst brand I have a53 which is 1 year 3 months old now it's getting restart frequently in service center they are telling motherboard issue and asking 14k ,even they don't no what is the issue and directly telling its mother boar...
Frequently phone is restarting and getting it will show apps optimising and it will load for 100% and then the phone will get ON Frequently this is happening in samsung a53 5g