This custom binary block error can be solved by flashing the device with official firmware through Samsung Odin.
Simply download your device firmware. make sure the firmware is the latest one. you can download the firmware from androidfilehost, sammobile or any other firmware directory. anyone can flash it easily by Odin. But make sure you know the google account of your device. Because if you don’t know it then your device will be frp google account verification locked. To unlock FRP Lock or reactivation lock from any Samsung device check this [link|https://unlockerplus.com/product/samsung-all-model-frp-google-account-remove-instant-server/|Samsung FRP Bypass] Guide.
https://www.accupass.com/go/frp-google-unlock