Steam Deck

Steam Deck

Samsung 512 pro plus
Hi I just got this card in from Amazon sold by Samsung not a 3 party I keep getting format error micro SD card fail validation test and cannot be formatted. I can format it on my computer and I can read and write to it but can't read or write to it on the steam deck
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Showing 1-15 of 16 comments
Prezidentas Jun 24, 2023 @ 12:37pm 
failed validation = crap card
Drak3 Jun 24, 2023 @ 12:52pm 
The issue with Scamazon is that they are the warehouse for most SD cards, and they don’t separate them by source or verify thay they’re delivering said cards from the vendor listed on the site.
Jâbbérwôkkï Jun 24, 2023 @ 7:56pm 
Do you have a windows pc with a sd reader in it handy? To see if it's not a bad card & maybe get it functioning do the following:

1-put the card in your pc if windows detects it you will here a ding upon insertion.

2- R-click the start menu (Win 10/11) select disk management.

3-in the window that appears, find you sd card in the list. R-click & select delete volume.

4-R-click your sd-card again & select creat new volume.

5- follow the prompts until you get to format type & select exfat file system.

When the process is completed, put the card back into your Deck. It should be able to read it now. It may ask you to format it again, just do it as it should (unless there's some other issue with the card or the reader in the Deck) be able to do so this time.
derrickellis2004 Jun 25, 2023 @ 9:56am 
Ok I will try it
derrickellis2004 Jun 25, 2023 @ 10:02am 
It still didn't work on my steam deck it shows up on my computer just fine
PopinFRESH Jun 25, 2023 @ 11:32am 
It’s a fake card. Return it and get it from Samsung directly
invision2212 Jun 25, 2023 @ 1:16pm 
Originally posted by derrickellis2004:
It still didn't work on my steam deck it shows up on my computer just fine

the reason why it shows up on your windows pc is because the software thats installed to trick the system is made for windows. thats why it fails during the linux test.
Prezidentas Jun 25, 2023 @ 10:46pm 
Originally posted by invision2212:
Originally posted by derrickellis2004:
It still didn't work on my steam deck it shows up on my computer just fine

the reason why it shows up on your windows pc is because the software thats installed to trick the system is made for windows. thats why it fails during the linux test.
don't make stuff up.
invision2212 Jun 26, 2023 @ 9:50am 
Originally posted by Škoda 14Tr:
Originally posted by invision2212:

the reason why it shows up on your windows pc is because the software thats installed to trick the system is made for windows. thats why it fails during the linux test.
don't make stuff up.

its obvious you dont know how fake sd cards work and thats okay. go educate yourself on it
PopinFRESH Jun 26, 2023 @ 2:43pm 
Originally posted by invision2212:
Originally posted by Škoda 14Tr:
don't make stuff up.

its obvious you dont know how fake sd cards work and thats okay. go educate yourself on it

It has nothing to do with the operating system. It also isn’t software that is installed. It is the firmware on the SD card.

And it doesn’t just “fail on Linux”. SteamOS formatting in game mode is programmed to use f3 to validate the flash storage. You can still partition and format a fraudulent card on Linux and the same thing will happen as on Windows. Just as you can also use H2testw on Windows to test and validate an SD card
Last edited by PopinFRESH; Jun 26, 2023 @ 2:48pm
Jake Sully Jun 27, 2023 @ 1:24pm 
You know that there is fake sellers on amazon? Just because seller is called Samsung does not mean it is actual samsung selling on amazon. So like others said you bought a scam MicroSD card that claims to be samsung one when truth is it is a copy and not real one by samsung.
derrickellis2004 Jun 28, 2023 @ 4:32am 
I just sent it back to Amazon and got my money back I just ordered a SanDisk 512GB Extreme microSDXC hope this one is not fake to that's the first time that ever happened to me
PopinFRESH Jun 28, 2023 @ 8:16am 
Originally posted by derrickellis2004:
I just sent it back to Amazon and got my money back I just ordered a SanDisk 512GB Extreme microSDXC hope this one is not fake to that's the first time that ever happened to me

Samsung and Sandisk are the two largest SD/microSD card makers and as such are the most counterfeited. Amazon is always a gamble with getting flash drives from and I'd only recommend getting them if they are listed specifically as "Shipped by and Sold by Amazon".

Personally I'd only recommend getting flash drives either locally in a reputable physical retail store or alternatively online directly from the manufactures online store.

Upon receiving any flash drive I'd also recommend running f3probe (if you're on Linux) or H2testw (if you're on Windows) on the drive to verify its capacity is correct.
Steam Deck SSD needs to be formatted in ext4.

Steam Button> Power > Switch to Desktop > Open KDE Partition Manager > Delete old partition > Create New ext4 Partition > apply. Enjoy
PopinFRESH Jun 28, 2023 @ 9:44am 
Originally posted by AlphaObeisance:
Steam Deck SSD needs to be formatted in ext4.

Steam Button> Power > Switch to Desktop > Open KDE Partition Manager > Delete old partition > Create New ext4 Partition > apply. Enjoy

This has nothing to do with the conversation. The OP noted that when formatting the microSD card via the Steam Deck in game mode, which performs an f3probe validation of the flash media to verify the reported capacity matches the actual capacity, it failed with the validation error message when the card fails the f3probe. This is either due to the card being significantly damaged or, more likely, a fraudulent flash card.

All you are telling them to do is to ignore that it failed f3probe (and is either a failing or fraudulent card) and manually partition & format it. That is a poor recommendation.

Again, fake/fraudulent flash cards have a modified firmware which does a few things

  • Reports a fake capacity to the host system.
  • Preserves a small amount of the flash storage at the beginning and end of the disk to retain the filesystem tables.
  • Cyclicly overwrites the rest of the storage as data is written to the disk.

This is typically done by using an 8GB - 32GB flash and then spoofing it to be a 256GB, 512GB, or 1TB flash card. If you try to write 40GB worth of smaller 512MB files to the disk, and then after doing so try to read/open the first files you've written to the disk they will be "corrupt" because in reality that data has been overwritten.
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Date Posted: Jun 24, 2023 @ 12:16pm
Posts: 16