Official TWRP Recovery For Galaxy S8/S8+
As you know The Galaxy S8 and the S8+ are the recent flagship phone from Samsung. There is a very good news for those who likes custom their phone or users who need development on their Galaxy S8/S8+. TWRP custom recovery (twrp-3.1.0) is now officially available for Both Galaxy S8 and S8+ Exynos varient, which you can install with or without root access. But you need to be careful about verified boot, as Galaxy s8 and s8+ use dm-verity.
You can install The Official TWRP on your Galaxy S8 and S8+ in a variety of ways. Odin tool can be used to flash TWRP without root access! And if your device is rooted, you can use official TWRP app or can use adb shell to flash the custom recovery. Should Check out the guide to know how to install TWRP recovery on Galaxy S8 and S8+ via Odin and get your root access.
Before It get start, note that Galaxy S8/S8+ has verified boot. If you are using stock kernel, swiping to allow system modifications will stop the device from booting. You will have to install a custom kernel that has dm-verity disabled in the fstab to bypass this.
There are lots of Benefits of TWRP recovery and root access. Some of the main uses of TWRP recovery and root are, customizing the device, strip off bloat apps, performing a full backup of phone and etc. But you should keep in mind that After doing this, your Samsung warranty will be no more.