Would you know how to extract just the firmware from that file so that it can be flashed by doing fastboot oem rebootRUU and
fastboot flash zip <PathToFirmware.zip>, similar to how turge extracted it for 5.08.111.2 ?
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Ensure s-off and supercid first.
You could create your own unofficial firmware.zip like Turge did that includes some img's that the OTA you are installing may be missing. I think the following will be easiest though.
Ensure 3.17/3.18 complete firmware or better as base is installed on phone, eg 3.18 RUU or previously updating to 3.xx/5.xx officially with HTC OTA. This can be skipped if you are certain you have already installed this or Turges 5.08.111.2 firmware.
Download T-Mobile 3.17.111.1 OTA (or similar complete 3.17/3.18):
http://fotadl.htc.com/OTA_EVITA_UL_...129.32.34a_release_300591m6ejdlmoq874n7fw.zip
Open zip, extract firmware.zip
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<repeat if you get error please flush again immediately. Typically this needs to be done 2-3 times. When it completes without please flush again message you can reboot the phone.
fastboot reboot
If this step is not done you run a higher risk of the device being bricked in the update.
I would suggest reboot to ensure firmware is completely written to device before moving to next firmware.zip package.
Download Brightstar 5.13.1540.2 OTA:
http://fotadl.htc.com/OTA_EVITA_UL_....17.1540.4_release_342737ulobjpm2t4w05mnr.zip
Open zip, extract firmware.zip
fastboot oem rebootRUU
fastboot flash zip firmware.zip <<repeat if you get error please flush again immediately. Typically this needs to be done 2-3 times. When it completes without please flush again message you can reboot the phone.
fastboot reboot
NOTE: HTC official firmware.zip includes boot.img and recovery.img. You will need to reinstall custom recovery and your installed ROMs matching boot.img.
NOTE #2: CM install scripts do not include hboot 2.18 (it includes 2.14, 2.15, 2.16 and 2.17). You would need to hand edit the updater-script for such ROM's to get them to install.
NOTE #3: The above instructions account only for the software versions listed above. Do not assume these instructions can be used for past or future firmware.zip files obtained from past/future OTA. You must always account for the fact OTA expects your phone to already be functional with a particular previous software version. OTA firmware.zip typically does not include files that are expected to already be installed on the device. Updating from unexpected software versions will likely end in a bricked phone. Whereas RUU files contain complete firmware.zip.