✅ Download the eng-root kernel For root the Galaxy S8+ SM-G955U without losing the knox
Model Number : SM-G955U
Android Version : nougat (7.0)
Extract the kernel placed in this post after download and Flash the file in the pda section in the odin software.
This file is only for Galaxy S8+ SM-G955U model, dont use this file for other models .if use it can damaged your device