When you delete your Samsung account, your details will also be deleted from all connected Samsung services. In addition, all information that belongs to your account, such as downloaded items, purchase history, etc. will also be deleted.
Open the Apps menu in your Samsung Galaxy phone. The Apps menu is a menu of all apps installed on your device.Tap the Settings icon to open the Settings.Scroll down and tap Backup and Reset. …Tap Factory Data Reset. …Tap Reset Device.Tap Erase Everything
Samsung ID won’t be removed even if you force a factory reset through recovery mode. During set up it will still ask you to put in your Samsung ID and password.