Storage · Troubleshooting

Corrupted Drone SD Card? How to Recover Your Footage

You land, pop the card in your laptop, and the clip you came for is missing, unreadable, or zero bytes. Do not panic, and above all, do not format the card yet. Your odds of getting it back depend mostly on what you do in the next few minutes.

The first five minutes

1. Stop recording. If the drone is still on with the card inside, power it off before doing anything else, unless your manual says the drone repairs files on power-up (see below).
2. Do not format. Cameras and computers often prompt you to format an unreadable card. Click cancel.
3. Do not save anything to the card. No new photos, no copying files onto it.
4. Write down what happened. Was there a crash, a battery eject, a warning on screen? This helps choose the next step.
5. Set the card's lock switch if you use a full-size SD adapter with one. It reduces the chance of an accidental write on many readers, though it is not foolproof.

Why drone cards corrupt

If your card is too slow for your drone's highest bitrate modes, recording can stop or fail. Our guides to microSD speed classes and sustained write speed vs capacity explain what to look for.

Let the drone try first

Several drone makers include a file repair feature: if a video was interrupted by power loss, putting the same card back into the drone and powering it on can trigger an automatic repair of the last file. Check your manual or the manufacturer's support pages for whether your model does this and how. If it does, try it before running recovery software, and do not record anything new during the process.

Rule out the reader and the computer

• Try a different card reader. Cheap readers and worn adapters cause many "corrupted card" scares.
• Try a different USB port and a different computer if you can.
• Try connecting the drone itself to the computer by cable, if your drone supports file transfer that way.
• Check the card's contacts for dirt or damage. Clean gently with a dry cloth.

Using recovery software safely

If the card is detected but files are missing or folders are unreadable, recovery software can often find the video data. Several free and paid tools exist for Windows and Mac. Good practice:

1. Image the card first, if your tool supports it. Making a full copy and scanning the copy protects the original from repeated reads.
2. Scan in read-only mode. Recovery tools should never write to the source card.
3. Recover to a different drive. Never save recovered files back to the same card.
4. Preview before recovering. Many tools let you check which files are intact.
5. Try a video repair tool on files that recover but will not play. Some tools rebuild damaged video using a good reference clip from the same drone and settings.

After recovery: retire or reuse?

Once you have what you need, decide whether the card can be trusted again.

• Corruption from a crash or battery ejection: format the card in the drone and keep using it. The card did nothing wrong.
• Random corruption with no clear cause: retire the card. Cards are cheap compared to lost footage.
• Capacity looks wrong or files corrupt after filling up: the card may be counterfeit. Stop using it and buy from a reputable seller.

Habits that prevent lost footage

• Format cards in the drone, not on a computer, before each trip.
• Stop recording and wait a moment before powering off the drone.
• Never remove a card while the drone is on.
• Use several smaller cards on big trips rather than one huge card, so one failure does not take everything.
• Back up to a laptop or portable SSD each evening of a trip.
• Buy cards from reputable sellers to avoid counterfeits.
• Replace cards that have shown any unexplained error.
• Seat batteries firmly. A battery that pops loose in a hard landing is a common cause of corrupted clips.

Field backup is easier with the right gear. See portable SSDs for drone video backup.

What about internal storage?

Some drones have built-in storage as well as a card slot. If your card fails, check whether the drone also recorded to internal storage, either because no card was detected or because of a setting. Connect the drone to a computer or use the app to look. It is worth checking before you give up on a flight.

Many apps also cache a lower-resolution copy of the live view on your phone. It will not match the original quality, but in a pinch it can rescue a moment that was otherwise lost.

A simple trip workflow that limits the damage

Most lost footage stories come from one card holding everything and no backup until the trip ends. A simple routine changes that. Label your cards with a number. Use one card per day, or per location on busy days. Each evening, copy the day's card to a laptop or portable SSD, check that a few clips play, and only then set the card aside. Do not format it until you are home and have a second copy, such as on a home drive or cloud backup.

If a card does fail mid-trip, you lose at most one day, and the others are untouched. It also makes it obvious which card is suspect, so you can retire it instead of mixing it back into the rotation.

Bottom line

For most pilots, a corrupted card after a crash or battery pop is recoverable if you stop using the card and do not format it. Let the drone try to repair the file, rule out the reader, then use read-only recovery software that saves to a different drive. Afterwards, format the card in the drone, or retire it if the failure had no clear cause. A nightly backup habit means the next problem costs you one flight, not one trip.