"Set Warranty Bit : Kernel" text after rooting Samsung Galaxy
You can completely restore your device by downloading stock firmware and flashing it using Odin.

About &quot;Set Warranty Bit: Kernel&quot;, a root method usually applies patches to kernel and Samsung bootloader detects that modification. However, this isn't a thing to be worried about unless, of course, you prefer warranty over cool modifications. Samsungs Knox will also not work if the Warranty bit is 1.