SSD Firmware Update on a Mac® System

To update the firmware on your SSD, follow the steps below. Please ensure you are using an internal SuperDrive® for the update, and that your SSD is internally connected to a SATA port.

OS X ® 10.11 and later

  1. Download the latest firmware here
  2. Insert a blank DVD or CD into the system
  3. In Finder, click on the .iso to highlight it
  4. Under the File menu choose Burn Disk Image (name) to disc
  5. When the burn is complete, shut down your Mac computer
  6. Press and hold the Option key, and power the Mac system back on
  7. On the Startup Manager screen, wait for the firmware CD to appear. This may take a minute, or longer
  8. Click on the CD named “Windows” to highlight it, and then click the arrow just below the CD symbol to boot from the firmware CD
  9. Let the update utility run, following the steps on the screen to update your SSD firmware

When the firmware update has finished, use the power button to shut down and restart your Mac system, and let it boot back up to your desktop. 

 

OS X ® 10.5 to 10.11

  1. Download the latest firmware here
  2. In Finder, click on the .iso to highlight it. Hold down Control and click on the .iso a second time
  3. Select Open With in the menu that comes up, then select Disk Utility
  4. In the list of drives in Disk Utility, select the .iso 
  5. Insert a blank CD into the SuperDrive
  6. Click Burn
  7. Ensure Verify burned data is checked
  8. Once the burn is complete, shut down your Mac system
  9. Press and hold the Option key, and power the Mac computer back on
  10. On the Startup Manager screen, wait for the firmware CD to appear. This may take a minute, or longer
  11. Click on the CD named Windows to highlight it, and then click the arrow just below the CD symbol to boot from the firmware CD
  12. Let the update utility run, following the steps on the screen to update your SSD firmware

Below is a video illustrating the process. The video uses an M500, but the process is the same for all Crucial 2.5" SSDs. 

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