Step 5 – Type in the following command and press Enter.
adb reboot bootloader
Step 6 – Wait for your phone to boot into bootloader mode. You can boot your phone in bootloader mode by pressing and holding Volume Up + Power key.
Step 7 – Once your phone is in bootloader mode, type in the following command and press Enter.
fastboot flash recovery twrp-3.1.0-0-kiwi.img
That’s it! the TWRP recovery is now installed on your Huawei Honor 5X. You can enter Recovery Mode (TWRP recovery) by pressing and holding the Volume Down + Power keys together.
Next: Root Huawei Honor 5X