You don't need to root on the pre-OTA if you are planning on going to update anyways. I just went through these step but skipped the rage root for pre-OTA and it worked fine. Whatever Visionary messed up is resolved once you reflash the stock ROM onto the phone.
Cliq2G2_2020 replied to PaulOBrien's topic in HTC Desire Z / T-Mobile G2Thank you!! this worked like a charm.