The screen went black. Then, a voice—not from his speakers, but seemingly from the air itself—whispered: "System update complete. Welcome to the back-end."
Download the firmware package (usually a .zip or .bin file). zs63wbkr00 firmware link
Once finished, you will see a "PASS!" message in Odin. Your device will reboot automatically. You can now disconnect the USB cable. The screen went black