Yeah, hence my link.
Been there … got the t-shirt.
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You can test the card speeds with something like blackmagic disk speed test:
If you’re on Windows it’s part of desktop video.
Looking at the files on the phone here, I can’t see any tearing. With h265 it can be a codec playback issue.
I think if you have M Log set on the Mini 4 Pro it’s locked to h265. If you want the most range/ quality in post use M Log, otherwise you can leave it off.
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Great information guys thanks.
I think we can assume that H265 (M log) is the default setting out of the box. As for fake card, I bought it on eBay, if it is a knock-off it’s a very good knock off, certainly the packaging looks legitimate. I will test it though.
I have viewed my videos on a chromebook and a new’ish android, and I still get the same problem. So, I’ll try H264 and report back.
Thanks again
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Probably the best bit of diagnostic equipment available 
SanDisk 64GB Extreme PRO…
https://www.amazon.co.uk/dp/B09X7BYSFG?ref=ppx_pop_mob_ap_share
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So, where is the best place to buy legitimate cards? How about Argos? I can’t imagine them trying to pull a fast one.
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Is a cheaper one 128 GB sold & fulfilled by Amazon good discount.
Clicked on the link & it takes you to a different seller 
SanDisk 128GB Extreme PRO microSDXC card + SD adapter + RescuePro Deluxe, up to 200 MB/s, with A2 App Performance, for smartphones, action cameras or drones UHS-I Class 10 U3 V30 https://amzn.eu/d/0iD7ieF
@JerryDrone did you format the card in the drone?
With my new Mini 4 Pro it’s been jello appearing during transition to and from yaw.
I normally preview the H265/264 footage straight off the SD card which I can only do on the PC and it stutters.
I find that since I play back on my TV which detects the fps of whatever video am playing i.e it automatically changes it’s refreshing rate between 50Hz / 60Hz, I shoot at 25/50 fps for the smoothest playback after rendering.
One question, have you had jello in your video?
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Yes but when I find it in the app it’s showing as said above, then you copy the link & when you click on it it takes you else where, strange
Edit : yes says Sandisk store at top, I was going by the trusty sold & fulfilled by Amazon, if that makes sense.
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This site goes into considerable depth when trying to determine whether a card is fake (or not) - How to spot a fake Sandisk card | GBAtemp.net - The Independent Video Game Community
Incidentally, I’ve bought some Sandisk High Endurance cards as an alternative to the Extreme Pro: I’ll report back later.
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If i remember rightly, when i joined this group i was having the same probs, altho back then it was the Mavic pro, and it turned out to be the shit SD Card that you guys pointed out, not saying that’s it, but you never know 
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My Mini 4 Pro default was Normal and H265. I have used both Normal and D-log M at 4K:30fps and both were good ( i used colour assist on the Dlog). I left it on H265.
I’m switching to Davinci Resolve for editing and have been learning how create and save a LUT to use as a derault for the washed up looking D-Log M.
All work great with my £22 Sandisk 256gb Extreme Pro from Amazon. I do have a 12th Gen Laptop.
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Ps. I do have a 12th Gen CPU in my ASUS laptop.
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I had some major problems with sd cards when I started got some cards off eBay great price but was to good to be true all looked very legit. Just be careful some of these copies Look just like the real McCoy
DJI have a D-log M LUT on their site for the Mini4 Pro
@Wintermute Cheers matey. I’ll have a look. Created one yesterday that seems ok will wait till I upload to YT to see final result. 
I’ve just checked my new Mini 4 Pro (haven’t changed anything) settings, mine came set to H.265 and Normal… Only used once so far and video was fine… Any more information required then ask… I use Sandisk extreme pro micro SD card in my drone
Hello All
I have an update for you. I received a 64gb Sandisk from Amazon following the link above, I had to wait a day or so because of time and weather etc. I’m happy to report that you were correct, the video quality is great on the new card. When I swapped back to the previous card, it was rubbish again.
I experimented a little with H265 and H264 on the new and old card and the results on both were really good but only on the new card.
I have had a grumble at the eBay seller but he predictably claims that all of his cards are genuine. I am running a test now using H2TestW which is supposed to prove it legitimacy, the test is going to take hours.
Now, it’s worth mentioning that a few hours after my tests I received a follow up call from DJI’s customer services department. I told him how impressed I am with the product the politeness of the agents and the prompt delivery of the replacement drone, but how in the end I solved the problem with the help of this online community. I told him that surprised that the helpdesk didn’t go down the quality of the card route first, remember I provided them with sample videos. He replied that he agreed with me and could only apologise and by way of compensation they are sending me a free 256gb Samsung SD card. How’s that for customer service?
Thanks again for your help everyone
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