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I bought a 480GB OWC Aura SSD with a known compatibility issue for my Macbook Pro 15" (mid-2015) after my old SSD died. I installed the drive and partitioned it. It shows up when running diskutil list in a High Sierra recovery terminal, but not on any older OS versions (Yosemite or El Capitan)

The High Sierra installer lets me choose the new SSD as a target destination, but after the first reboot the machine goes to the "question mark folder". Apparently, I need to upgrade the firmware on the OWC Aura Pro SSD, but I'm having a hard time getting the PHP updater to work.

Should I request a refund/replacement or is there a way to make bootable USB to update the drive's firmware?

Edit: I managed to boot into High Sierra from an external and ran the Marvell firmware updater, but it does not detect any drives under the "Device" list for me to update.

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    To clarify, which requires the firmware update: your MBP, the OWC Aura SSD, or both? – Ivan X May 19 '18 at 23:17
  • @IvanX the SSD itself needs a firmware update. Clarifying my question. – Petrus Theron May 20 '18 at 16:05
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I'm responding to this post late, and my contribution is a workaround for Aura SSD install/upgrade to High Sierra on a Power Mac, late 2013.

  1. Install High Sierra on your OEM SSD.
  2. Shut down, remove power cable.
  3. Move the OEM SSD to the Envoy enclosure.
  4. Install the Aura SSD into your computer.
  5. Connect your OEM SSD (in the Envoy enclosure) to the USB port of your Mac.
  6. Power up, zapping the p-ram (hold down Option,Command,P,R)
  7. The computer should boot from the OEM SSD (in the Envoy enclosure). If not, restart and hold down the Option Key. The computer will show startup disk options. Choose the OEM SSD.
  8. Once you have booted from the OEM SSD, start Disk Utility.
  9. From the menu, choose "Restore". Select the OEM SSD as the source drive and the Aura SSD as the target drive. This will clone your OEM SSD to the Aura SSD.
  10. Power off the machine, disconnect power cable, and disconnect the USB from the OEM SSD.
  11. Power on, and the machine will boot from the new internal Aura SSD. If not, zap the p-ram again. Also, if you're on a Mac Pro, do not use wireless Bluetooth keyboard/mouse throughout the process, use wired ones. This worked for me, hope it'll work for you.
  • What is an Envoy Enclosure? Can I use any external enclosure, since I did not order an enclosure with my drive? – Petrus Theron Aug 13 '18 at 18:06
  • did you previously have issues detecting the drive without any driver update, that was resolved by zapping the P-RAM, or is this just the way you did it from the start? – Petrus Theron Aug 13 '18 at 18:15

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