: Go to Settings > About Phone > Software Information and look at your Baseband version. Alternatively, boot into Download Mode . Look for the string text RP SWREV: B:8 K:8 S:8 . The number 8 confirms you are on the U8 binary.
Ensure the official Samsung mobile drivers are installed on your Windows PC.
: This process completely erases the internal storage. Back up all photos, contacts, and documents. J730f U8 Auto Patch Firmware
Connect your phone to the PC using a USB cable. Odin will say "Added!".
To install the Auto Patch firmware, you will need a Windows computer and the official flashing tool, Odin. Step 1: Download Required Tools : Go to Settings > About Phone >
Ultimate Guide to J730F U8 Auto Patch Firmware: Fix DRK, FRP, and Network Issues
Click and select the file starting with AP (this is a large file and may take a moment to load). Click CP and select the file starting with CP. The number 8 confirms you are on the U8 binary
Before attempting to auto patch firmware:
: This process will completely wipe your device. Secure your photos, contacts, and personal files.