For example: some new phones like the Nexus 5X come encrypted by default, but when TWRP first came out for the Nexus 5X, it didn’t support encrypted phones. In addition, make sure there is a version of TWRP available for your phone, and do a little research on the TWRP website and XDA Developers to make sure there aren’t any quirks. (If your phone’s bootloader isn’t unlockable, you’ll have to flash TWRP using some other method.)
Then, when you’ve finished, come back here to flash TWRP. This process will only work if you’ve unlocked your booloader. So if you haven’t done that yet, check out our guide to get started. First: Unlock Your Device and Make Sure It’s Compatible