Drive Firmware Updates: When to Install One, When to Wait, and How to Do It Safely
Install a drive firmware update when the maker release notes name a problem your drive actually has, or when the maker recommends the update for your exact model. Wait when the drive works, the notes describe nothing you are hitting, and no backup exists yet. Firmware is a small software program stored on chips inside the drive, containing the code and commands required to operate the device, so an update rewrites part of how the drive runs itself. That is worth doing deliberately, not casually.
The update and wait decision
| Situation | Decision | Reason |
|---|---|---|
| Release notes name your symptom, model, or an operating system compatibility fix you need | Update, after a verified backup | The update was written for your case |
| Maker recommends the latest firmware for your model in its own tool | Update, after a verified backup | Samsung, for example, recommends using the latest firmware and Magician software |
| Drive works, notes list nothing relevant, backup is not current | Wait | No named benefit, and the safety step is not done |
| Drive is clicking, disappearing, or showing rising error counts | Do not update yet | Copy the data off first; firmware work on a failing drive risks the only copy |
| Only copy of the firmware file comes from a download site, not the maker | Wait | The tool and file must match the exact model, from the maker |
Note the asymmetry in the Samsung guidance, because it applies broadly: once firmware is upgraded, it cannot be reverted to the previous version. A rushed update cannot be undone. A delayed update can almost always be installed next week instead.
Use the maker tool for your drive
Each major maker ships its own management tool, and the tools do not cross brands. Samsung states that Magician is designed specifically for Samsung brand SSDs and does not support non Samsung drives. The pattern is the same elsewhere.
| Drive maker | Tool | What the tool shows |
|---|---|---|
| Samsung | Samsung Magician | Firmware Update, Disk Health Status, Secure Erase, and Total Bytes Written |
| Crucial | Crucial Storage Executive | System Information with installed firmware, SMART reporting, and a Firmware Updates screen with release notes |
| Western Digital | WD SSD Dashboard | Firmware update controls, a Check for Updates action, and notifications for available firmware |
Crucial describes its Firmware Updates screen as the place to confirm the installed firmware, check for available updates, and read the release notes for an update before applying it, with a field for manually selecting a firmware file downloaded separately. Western Digital puts the backup warning in the firmware section of its manual: to avoid data loss, it is strongly recommended to back up data before updating firmware. Read the notes inside whichever tool your drive uses. The notes are the decision document.
Two limits that catch people out
Connection limits. Samsung states that firmware updates are not possible through an external USB connection for its internal SSDs, and that Magician is available for Windows, with a bootable USB drive or CD created from the firmware ISO as the route for other systems. An internal drive sitting in a USB enclosure may need a direct internal connection before its maker tool can update it at all.
Mode limits. Samsung also states that firmware updates cannot be performed on SSDs with RAPID mode enabled, and that a PC reboot is required. A tool that refuses to start is usually reporting a condition like these, not failing randomly. Read its message literally, clear the condition it names, and try again.
The safe update procedure
- Record the starting state. Note the drive model, the current firmware version as shown in the maker tool, and the overall SMART status. A photograph of the tool main screen covers all three.
- Back up, then verify the backup opens. Every maker warning points the same way. Samsung says to back up data and close all running applications except Magician before updating, and that although the update process does not affect stored data, backing up to another drive first is strongly recommended. Western Digital gives the same warning in its manual.
- Put the computer on stable power. Plug in a laptop charger. Do not run an update on a battery that might not outlast it.
- Connect the drive the way the maker requires. For an internal Samsung SSD, that means no external USB connection, per the limit above. Clear any mode the tool flags, such as RAPID mode, before starting.
- Open the maker tool and read the release notes for the offered update. Confirm the update names your model and offers something from the decision table: a named fix, a compatibility need, or a maker recommendation. If it offers none of those, stop here and wait.
- Start the update and leave the machine alone. The Samsung warning is explicit: do not turn off power while the firmware is updating. No shutdowns, no unplugging, no closing the tool mid write.
- Reboot or shut down as the tool instructs. Western Digital notes that after firmware has been downloaded to a SATA SSD, a full system shutdown is required to complete the update process. A restart prompt is part of the procedure, not an error.
- Verify the result. Reopen the maker tool. The firmware version should now read as the new version from the release notes, the drive should report its normal capacity and status, and your files should open as before.
What success looks like: the tool shows the new firmware version matching the release notes, the drive appears with its usual capacity, SMART status is unchanged from the starting record, and sample files open normally. All four checks, not just the version number.
If the update will not start, or the drive looks wrong after
Work the conditions before working the drive. Tool refuses: check the connection type and the mode limits in the section above, and confirm the tool matches the drive brand. Update finished but the version did not change: check whether a shutdown, not just a restart, is required to complete it, as Western Digital describes for SATA SSDs. Drive missing after a reboot: power the machine fully down once, then start it again and recheck in the maker tool before attempting anything that writes to the drive. In every case, the verified backup from step 2 is what converts a bad outcome from a disaster into an inconvenience, which is why it sits before the update and never after it.
Questions readers ask about firmware updates
Will a firmware update erase the data on the drive?
Samsung states that the process for updating firmware does not affect the data stored on the drive, and still strongly recommends backing up first to reduce the risk of any eventuality. Treat both halves as true: designed to preserve data, still worth a backup.
Can the update be undone if the new firmware behaves worse?
For Samsung SSDs, no. Once the firmware is upgraded, it cannot be reverted to the previous version. That one way property is the strongest argument for reading release notes before updating rather than after.
Does every drive need its firmware updated on a schedule?
No schedule appears in the maker guidance used here. Samsung recommends the latest firmware, and its tool surfaces an update when one is detected for the installed drive. Checking the maker tool a few times a year, and updating when an offered update clears the decision table, covers the need without turning firmware into a chore.
— Dex Carter, Tech Writer