Regarding your screen and back issues, we have to factor in environmental factors and usage. But yeah, there are some cases that phones break down. You can always have them fix or trade up for a better Samsung device. It's all up to you. 😊
Sorry to hear that your Samsung Galaxy A52 5G is having issues with display screen and back case opening and we apologize for the inconvenience it caused you.
I recommend to immediately bring your device to nearest Samsung Authorized Service Center.
Rest assured that our Samsung Engineers/Technicians are competent enough to assess your Samsung Galaxy A52 5G to come with technical recommendations and offer solutions to restore your device back to its optimum performance.
For more assistance, you may contact us on our online Samsung support channels below.