You can now download TWRP custom recovery for Samsung Galaxy S9 and S9+ Exynos models. Here are the details.
Any serious Android modder will no doubt find themselves flashing and re-flashing their custom recovery, especially if they're of the particularly picky persuasion like we are. Thankfully, flashing new recoveries isn't that big a deal, at least it isn't if you're comfortable with the process and have a computer and suitable USB cable at hand. Unfortunately, that's not always possible.
