How to recover lost video data from dji mavic SD card with messy code?

Don't format the dji mavic SD card yet, you can still recover the video files inside

It will not recover RAW files as tiff's

You recover your data with a different recovery software, we recommend using SD card disk recovery software. The software can be used for formatting SD card data loss, mistakenly deleting back the data caused by the loss of answer, etc. Remember that after data loss, users should never enter any data because doing so may destroy the original data recovery effect and cause irreparable damage

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1 One trick to fix dji mavic SD data mutation mess

Backstory:

I was preparing to code the review photos I took the day before when I found that about 10 gigabytes of photos and various files on the dji mavic SD card had suddenly become a file named USBC? file. The size of this file is 0 KB, which means that all the data on the card should be lost.

However, the removable disk G shows over 100M available, for a total of 10+ gigs, which means the data is still there, so where did it go? What about this garbled code?

Since the problem is there, we need to fix it, not to mention that it's full of important photos and data. The newest version of the game is the newest version of the game. Maybe there really is a rescue, both to save the dji mavic SD card can also find out the data. Let's try it out!

2 Why are the files on the dji mavic SD card garbled?

Why are the files on the dji mavic SD card garbled? Summary and notes:

This method is not guaranteed to recover all damaged data, so if you have valuable data on your mavic card, or a wide variety of file types, it is still recommended to go to a professional data recovery.

Of course, prevention is the key, and for users who frequently plug and unplug their USB drives or use memory cards, they must pay attention to the following:

1. Safely eject the memory card before unplugging it from the U port;

They are not only the most popular choice among users, but also the most popular among users.

2. Don't force power off when writing data;
3, Do not directly punch the card when punching the U-port file, use the right click to open it;
4、Check regularly for viruses and kill viruses;
5, Don't enter the water, don't challenge its limits;

Just about a month before the incident February 6, 2021, this dji mavic SD card of the author was soaked in clothes sanitizer for 30 minutes, washed, shaken, dried, washed, shaken, and soaked in fabric softener for 30 minutes in a clothes pocket, and still ended up being healthy and with no data problems. To commemorate this robust dji mavic SD card, a friend was also sent.

But as fate would have it, perhaps because I was unhappy with the author's carelessness that afflicted it, this dji mavic SD card suddenly got a great aunt a month later, got a little moody, and Q'd me with a self-turning messy trick.

Q my move; Self-changing messy code USBC

As you can see above, the only thing left on the dji mavic SD card is the file USBC port ?

The messy code has something to do with the water wash?

It is true that dji mavic SD cards that have been washed, soaked in laundry detergent or disinfectant have a high probability of causing damage to the chip inside the card, resulting in non-functional operation, but since it worked fine during this January, it does not mean that it must be caused by water washing. In fact, dji mavic SD cards are not as fragile as gamers think, and a good dji mavic SD card is actually very resistant to dryness.

What to do if you have been washed?

If your dji mavic SD card gets wet, do not use it immediately, wipe the gold finger clean and dry it with a hair dryer first thing after you notice. Wait until the dji mavic SD card is completely dry before you go back to using it. If there is still water on the gold finger of the card, it will be basically ruined after inserting the card reader with power.

Why did the files on the card become garbled?

1、Insert or remove the card directly without following the prompts;
    Auto Sync with Cloud

2、No manual interaction required.

3、Virus;

4、  Human factors e.g., water ingress, etc.;
   Natural causes.

Auto Sync with Cloud
No manual interaction required.

3 Try a simple fix first

Simple fix

Try a simple repair first. Right-click on the damaged disk→Properties→Tools→Start Checking→Check A and N→Start

Check A and N
 This generally deals with situations where the USB port is connected and then directly prompts for a format or fails to perform a disk check to access the disk, which is not very useful for the author's already poisoned dji mavic SD card.

Nothing works
To recover the lost 10 gigabytes of data, you first need to find where it is hiding, so let's see how to find them.

4 Finding the 10 G files that disappeared

Find the 10 G files that have disappeared Method:

My Computer→Organization→Folder and Search Options→View. Go to Folder Options

Go to and uncheck Hide protected OS files recommended. And select Hide files and folders to Show hidden files, folders, and drives.

Disappearing 10 G profile folders

Open them all as .CHK files

The folders opened to find all files turned into fragmented files with the .CHK extension. Files in this format are not only photos .jpg/.bmp, etc. but also folders, zip files, office files, movies, etc. It depends on what kind of files you have put on the card before.

Once we have found these files, we first copy them to any hard drive on the computer to ensure that no more data is lost, and then repair them.

Change the suffix name and you'll be surprised what you find

Photo Recovery

How to batch repair a large number of photos?

We found the disappearing files, but there is too much data and it is too troublesome to modify them manually. How to make a small homemade software to batch process it? Let's move on to the next page.

 

5 How to quickly solve batch processing

Quick batch processing to modify file extensions

I believe that many gamers, like me, do not like to use third-party software for fear of boring ads like Great Warrior and various family buckets. In fact, all you need is a small notepad to make your own little batch processing software.

Make your own batch process to modify file extensions:

1: Understand the modified original file suffix in this case .CHK;
2: Determine the modified file suffix this time .jpg The pictures in this card are all .jpg. This piece is due to personal needs;
 3: Create a .txt notepad;
 4: txt notepad enter ren *.CHK *.jpg ren space *.CHK space *.jpg;
 5: Save the txt notepad as a .bat format file;
6: Place in the fragment file directory and run the .bat file.

Notepad internal character generation out of .bat file

Fix completed

What if the dji mavic SD card is poisoned?

The dji mavic SD card technology is based on the MultiMediaCard MMC format and is about the same size as the MMC card, measuring 32mm x 24mm x 2.1mm. The length and width are the same as the MMC card, only 0.7mm thicker to accommodate a larger capacity storage unit.

The dji mavic SD card remains upward compatible with MMC cards, meaning that MMC cards can be accessed by new SD devices and compatibility depends on the application software, but dji mavic SD cards are not accessible by MMC devices.

 

Models supported for dji sd card data recovery

 

Models supported for dji sd card data recovery

dji air 2 sd card
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