The USB Jig is a tiny device that force the system to download mode, resets the Counter and Erases the Yellow Triangle. The Counter which records the number of times you flash your kernel while the Yellow Triangle is a warning sign during the boot up telling you that the kernel has been rooted or been modified.
We erase the counter for the reason that if you break your device and you decide to have it warranty the technician will not know that its been tampered. Pushing modified kernel or installing custom ROM voids the warranty that is why after rooting it is ideal to reset your counter and also it removes the ugly warning sign at boot up.
Samsung’s latest firmware disables the USB Jig binary counter reset, so the best thing to do after rooting your latest firmware is to install an old bootloader then use the Jig tool to reset the binary counter and remove the yellow boot up warning thingy.
Note: If you update your ROM/Kernel via Kies it is pretty sure that you have the latest bootloader.
All packages below this point have the old bootloader so you can safely reset the binary counter with a Jig.
If you’ve already flashed a full package from elsewhere or updated using KIES and cannot reset your binary counter using the Jig just flash this package in the PDA or Bootloader section of Odin to replace the bootloaders and then you can reset the counter: Download Here