Device: ONEPLUS ACE 6 (ktm)
Recommended Recovery: https://sourceforge.net/projects/infinity-x/files/ktm/16/infinity_ktm-recoveryimage.img
fastboot flash recovery infinity_ktm-recoveryimage.img

Flashing Instructions:

* Clean Flash:
1. Reboot to recovery [AOSP Recovery Recommended] (Get from here: https://sourceforge.net/projects/infinity-x/files/ktm/16/infinity_ktm-recoveryimage.img)
2. Apply update -> adb sideload
3. adb sideload rom.zip
4. Format data
5. Reboot

* Dirty Flash:
1. Reboot to recovery
2. Apply update -> adb sideload
3. adb sideload rom.zip
4. Reboot

* OTA:
1. Simply upgrade via OTA updater (if pushed or by importing local update)