DJI Fly app says my mini-SD card is slow
20836 33 2022-8-9
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michael.saylor
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I've flown my Magic Air2 less than 10x.  I'm getting an error message on the Fly app that says that the miniSD card is slow.  What does that mean and what do I need to do about it?

Thanks.
2022-8-9
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fateofangel
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Buy original SanDisk Extreme, you can try to record on lowest quality / resolution and FPS for now
2022-8-9
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michael.saylor
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fateofangel Posted at 8-9 11:48
Buy original SanDisk Extreme, you can try to record on lowest quality / resolution and FPS for now

The card is a SanDisk Ultra Plus.   I think it came with the Fly More package but I could be mistaken.  Is that an inadequate miniSD card in general or do I have a bad card?
2022-8-9
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Blériot53
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Ultra or Extreme, they need to have the A2 rating on them, and a U with a number 3 inside it.
2022-8-9
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michael.saylor
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Blériot53 Posted at 8-9 12:30
Ultra or Extreme, they need to have the A2 rating on them, and a U with a number 3 inside it.

Mine says 128 GB @A1 micro V10  xC1

I have no idea what that means.  Is A2 faster than A1?
2022-8-9
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Blue Canyon
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The A number is the Application Class. This is the card's ability to accommodate an application keeping a file open on the card and reading to and writing from it. A1 has a speed of 1500 IOPS reading and 500 IOPS writing. A2 has a speed of 4000 IOPS reading and 2000 IOPS writing.

The U number is the UHS Speed Class. This is the card's ability to just store a file. U1 can reach speeds of around 104MB/s and a U3 can get up to about 312MB/s.

The V number is the Video Speed Class. This is the card's ability to stream video content for either reading or writing. V10 is 10MB/s and V30 is 30MB/s. There is also a V60 and V90.

That said, I have:
  • SanDisk Extreme PRO U3 A2 V30 256GB in my Air 2
  • SanDisk Extreme U3 A2 V30 128GB in my Mini 2 - This does 4k 60fps video without issue.
  • SanDisk ImageMate PRO U3 A2 V30 256GB in my Air 2s - This does 5.4k 30fps video without issue.
2022-8-9
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Labroides
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michael.saylor@myactv.net Posted at 8-9 12:15
The card is a SanDisk Ultra Plus.   I think it came with the Fly More package but I could be mistaken.  Is that an inadequate miniSD card in general or do I have a bad card?

Your drone is telling you that it's too slow.
2022-8-9
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michael.saylor
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Labroides Posted at 8-9 17:33
Your drone is telling you that it's too slow.

Long story short-get a new card, I guess.  It’s annoying because this is the card that came with the package.
2022-8-9
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Blue Canyon
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michael.saylor@myactv.net Posted at 8-9 18:58
Long story short-get a new card, I guess.  It’s annoying because this is the card that came with the package.

The ImageMate PRO cards are about half the price of the Extreme PRO cards and have just about the same performance.
2022-8-9
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DJI Paladin
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Hi there. Thank you for reaching out and we're sorry for the trouble that this has caused. Can you please try to use a recommended SD card and check if the issue persists? Kindly please refer to the image below for your reference. Thank you for your valued support.

2022-8-9
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Blériot53
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michael.saylor@myactv.net Posted at 8-9 13:49
Mine says 128 GB @A1 micro V10  xC1

I have no idea what that means.  Is A2 faster than A1?

Yes. If you refer to the reply in message 6  he gives a concise explanation of relative speeds.
Your card isn't fast enough.  The fastest ones are available online from the likes of Amazon in a 2 for 1 deal, quite inexpensively.  I got two for my Mini3Pro and Mavic 2 Zoom, and that solved the problem.
2022-8-9
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djiuser_YRWyKzWsKkwM
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Blériot53 Posted at 2022-8-9 12:30
Ultra or Extreme, they need to have the A2 rating on them, and a U with a number 3 inside it.

hi i have same problem on mini 3 pro would you be able to send me a link for the propper memory card i need please. this is the memory card i have below. tia.
2023-5-14
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ejholt
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I am getting this same error on a new DJI Mavic 3 Pro I picked up this week. I am using the following card: SanDisk 512GB Extreme Pro U3 A2 V30. I initially was trying to record 4K 60FPS, but it would stop recording in less than a minute. I tried dropping the recording to 4K 30FPS and then 4K 25 FPS and the issue continued. I swapped out the card for another new SanDisk 512GB Extreme Pro U3 A2 V30 and got the same issue. Thoughts / Suggestions? In addition, I noticed the drone is heating up, I assume normal as the battery gets hot. I know with Sony Point & Shoot Cameras, if recording in 4K will shut down after 5 mins, as not to overheat the camera. Do DJI drones have this same safety mechanism to stop recording? The other thing I noticed when recording last night, was once the drone stopped recording, I couldn't record again for several hours.
2023-7-4
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DJI Tony
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ejholt Posted at 7-4 11:47
I am getting this same error on a new DJI Mavic 3 Pro I picked up this week. I am using the following card: SanDisk 512GB Extreme Pro U3 A2 V30. I initially was trying to record 4K 60FPS, but it would stop recording in less than a minute. I tried dropping the recording to 4K 30FPS and then 4K 25 FPS and the issue continued. I swapped out the card for another new SanDisk 512GB Extreme Pro U3 A2 V30 and got the same issue. Thoughts / Suggestions? In addition, I noticed the drone is heating up, I assume normal as the battery gets hot. I know with Sony Point & Shoot Cameras, if recording in 4K will shut down after 5 mins, as not to overheat the camera. Do DJI drones have this same safety mechanism to stop recording? The other thing I noticed when recording last night, was once the drone stopped recording, I couldn't record again for several hours.

Hi, ejholt2. For any device with a microSD card inserted, please ensure that a microSD card with enough capacity in the recommended list has been used (refer to reply #6 made by DJI Paladin). Reinstalling the app may also help. About the drone heating up, normally this happens when the drone is on idle for a long time while recording. Flying actually helps the drone to dissipate the heat. Please do not hesitate to contact us here if you need further assistance. Thank you.
2023-7-7
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djiuser_5NKwsN0sPZF9
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DJI Paladin Posted at 2022-8-9 20:12
Hi there. Thank you for reaching out and we're sorry for the trouble that this has caused. Can you please try to use a recommended SD card and check if the issue persists? Kindly please refer to the image below for your reference. Thank you for your valued support.

[view_image]
I’m getting this warning message every time on my DJI Mini 3 Pro controller, though I haven’t yet encountered any problems recording stills or video. I’m using a new SanDisk Extreme PRO 128GB V30 A2 microSDXC, which is apparently capable of up to 200MB/s, so it ought to be fast enough. The PRO 64GB card is on your recommended list but the PRO 128GB isn’t. Is that intentional?
2023-7-31
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DJI Paladin
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djiuser_5NKwsN0sPZF9 Posted at 7-31 09:49
I’m getting this warning message every time on my DJI Mini 3 Pro controller, though I haven’t yet encountered any problems recording stills or video. I’m using a new SanDisk Extreme PRO 128GB V30 A2 microSDXC, which is apparently capable of up to 200MB/s, so it ought to be fast enough. The PRO 64GB card is on your recommended list but the PRO 128GB isn’t. Is that intentional?

Thank you for your response. We acknowledge that you are using the SanDisk Extreme Pro 128GB without any issues however, the SD card is not listed on our recommended list. Please note that the list consists of SD cards that have already been tested on our facility without any issues. If you didn't experience any issues with your SD Card even if it is not listed on our recommended list, feel free to use it. We will also coordinate this feedback of yours to our relevant team for attention. Thank you for your valued support.
2023-8-3
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djiuser_HbBnGatFie0Z
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ejholt Posted at 7-4 11:47
I am getting this same error on a new DJI Mavic 3 Pro I picked up this week. I am using the following card: SanDisk 512GB Extreme Pro U3 A2 V30. I initially was trying to record 4K 60FPS, but it would stop recording in less than a minute. I tried dropping the recording to 4K 30FPS and then 4K 25 FPS and the issue continued. I swapped out the card for another new SanDisk 512GB Extreme Pro U3 A2 V30 and got the same issue. Thoughts / Suggestions? In addition, I noticed the drone is heating up, I assume normal as the battery gets hot. I know with Sony Point & Shoot Cameras, if recording in 4K will shut down after 5 mins, as not to overheat the camera. Do DJI drones have this same safety mechanism to stop recording? The other thing I noticed when recording last night, was once the drone stopped recording, I couldn't record again for several hours.

I'm getting this same issue on two brand new (straight out of the packaging) SanDisk 256Gb Extreme Pro U3 A2 V30 cards. Until now I have been using a SanDisk 128Gb Extreme Pro without the issue being discussed in this forum, although it was originally formatted for a GoPro and occasionally produces video files in a format not supported by anything other than VLC.
From what I have been reading, it seems like the SanDisk Extreme Pro cards larger than 128Gb give this slow speed issue.
2023-10-1
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panzer68
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Im getting the same alert on my Mavic 3, only whilst using Hyperlapse though. It was a 125 frame shot, using a Sandisk extreme 128gb in the list above.
2023-12-23
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DJI Tony
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panzer68 Posted at 12-23 09:01
Im getting the same alert on my Mavic 3, only whilst using Hyperlapse though. It was a 125 frame shot, using a Sandisk extreme 128gb in the list above.

Hi there. The SD card writing speed is related to the current number of files stored on the SD card and how it is used by the user. If the number of files is large, the writing speed will generally be slow. If the user, for example, occasionally deletes the files on the SD card this will lead to more file system fragmentation on the SD card, causing the SD card write speed to slow down. If the SD card writing speed is slow due to too much file fragmentation, please try using a computer to format it. Have a nice day ahead.
2023-12-23
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Jack Viers
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Mine are sandisk ultra A1 I bought on Amazon are there any settings where they would work?
2024-7-30
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DJI Diana
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Jack Viers Posted at 7-30 10:15
Mine are sandisk ultra A1 I bought on Amazon are there any settings where they would work?

Hi there,
thank you for reaching out.

Before we proceed with assistance, could you please confirm which drone model you are using? Is it the same as original poster?

Looking forward to your response. Thank you.
2024-7-31
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William Dini
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DJI Diana Posted at 7-31 23:41
Hi there,
thank you for reaching out.

Hi I just bought my Mavic Air 2 and it also get the same Too slow error message as many others on various websites. I am using SanDisk Extreme 128GB and it is listed as a supported SD card. The SD works fine on my PC and records on a MA2 without any issue but displays the SD Card is too slow. This is obviously a DJI code issue. Please advise. Meets all requirements with a 190MB/s read and 90MB/s write rating.
2024-12-28
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Labroides
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William Dini Posted at 12-28 14:52
Hi I just bought my Mavic Air 2 and it also get the same Too slow error message as many others on various websites. I am using SanDisk Extreme 128GB and it is listed as a supported SD card. The SD works fine on my PC and records on a MA2 without any issue but displays the SD Card is too slow. This is obviously a DJI code issue. Please advise. Meets all requirements with a 190MB/s read and 90MB/s write rating.

If the drone reports the card is too slow, it's probably too slow.
Try a different card
2024-12-28
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DJI Diana
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William Dini Posted at 12-28 14:52
Hi I just bought my Mavic Air 2 and it also get the same Too slow error message as many others on various websites. I am using SanDisk Extreme 128GB and it is listed as a supported SD card. The SD works fine on my PC and records on a MA2 without any issue but displays the SD Card is too slow. This is obviously a DJI code issue. Please advise. Meets all requirements with a 190MB/s read and 90MB/s write rating.

Hi there,
thank you for reaching out.

Generally, this appears due to slow SD card. If the original high-speed SD card is used, we recommend you try format the SD card and try again. If the issue persists, please change to another SD card.
2024-12-29
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William Dini
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I did format with my PC both quick and normal format. 4k recoding functions fine but displays error message. Although many people have bought new high speed DJI certified SD cards which still fail I will put out the 20 bucks and buy another 128GB U3 4K certified HD SD card
2024-12-31
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William Dini
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Ok so as I said I bought another SD card which is the same specs but a little bit faster. Both are DJI certified but the Sandisk gave me a slow error and the Samsung does not. I used the Sandisk in other devices and seemed to be fine. Thoughts.
IMG_1014.jpeg
1-5 13:57
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Mobilehomer
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William Dini Posted at 1-5 13:57
Ok so as I said I bought another SD card which is the same specs but a little bit faster. Both are DJI certified but the Sandisk gave me a slow error and the Samsung does not. I used the Sandisk in other devices and seemed to be fine. Thoughts.

The Sandisk is probably counterfeit. Happens more than you would think
1-5 17:54
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William Dini
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Mobilehomer Posted at 1-5 17:54
The Sandisk is probably counterfeit. Happens more than you would think

Why would anyone go to the trouble to counterfeit something that cost $14 with free shipping. Not saying it couldn’t happen but to me there would be no money in that.
1-5 18:49
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William Dini
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I tested both the Samsung and the Sandisk and the Sandisk is only producing 79MB read and 44MB write. Well below the rated speed of 190MB/90MB. The Samsung exceeded its rating with 205MB's and 134MB so either the Sandisk is counterfeit or defective. If it is counterfeit aside from performance it looks original.
1-6 10:09
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AlanHd
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William Dini Posted at 1-5 18:49
Why would anyone go to the trouble to counterfeit something that cost $14 with free shipping. Not saying it couldn’t happen but to me there would be no money in that.

Scale when they are producing 1000’s for pennies, it soon adds up.
1-6 10:24
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William Dini
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AlanHd Posted at 1-6 10:24
Scale when they are producing 1000’s for pennies, it soon adds up.

I guess. It really is 128GB SD and works well despite the failure notice. It is certainly slow per my testing. For a while I thought it may be a drone issue but glad its not... Thanks everyone for your input.
1-6 14:01
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$gambino$
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I can confirm the samsung pro ultimate sd cards  work i have one in my air 2 and air 3  (128gb version) one of the fastest cards i have. Picked it up on amazon for $26 bucks these are u3 A2 v30… i have the sandisk extreme pro u3 a2 v30 128gb in my mavic 2 pro these are just a bit more pricey…. These samsung cards look very promising like i said superb performance
1-6 20:58
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djiuser_q6sG7jFJW3hY
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DJI Paladin Posted at 2022-8-9 20:12
Hi there. Thank you for reaching out and we're sorry for the trouble that this has caused. Can you please try to use a recommended SD card and check if the issue persists? Kindly please refer to the image below for your reference. Thank you for your valued support.

[view_image]

i used Samsung EVO plus 64GB microSDXC but still same problem. Sad, wasted money on sd card so stressful
1-26 20:04
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DJI Paladin
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djiuser_q6sG7jFJW3hY Posted at 1-26 20:04
i used Samsung EVO plus 64GB microSDXC but still same problem. Sad, wasted money on sd card so stressful

Hi there, thanks for reaching out. We recommend formating the SD card through the app. This may improve the situation for a time.
1-26 23:53
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