Fix the "Not Good" status in the *#0011# service menu.
The phone will reboot automatically. This first boot may take 5–10 minutes. Troubleshooting Common Issues j730f u8 auto patch firmware top
Every Samsung firmware carries a . Once you update your phone to a higher binary (like U8), you cannot downgrade to an older one (like U7 or U6). Fix the "Not Good" status in the *#0011# service menu
Must be U8 / S8 . (Check in Download Mode: B:8 or U:8 ). Battery: At least 50% charge. j730f u8 auto patch firmware top
Click . Wait for the process to finish until you see a green "PASS!" message.