Anyone using a Class 4 SD card on S4? - Galaxy S 4 Q&A, Help & Troubleshooting

Hi!
I am afraid of buying a Class 10 card for my brand new S4 as I saw lot of bad reports on the only brands we have here in Lebanon (Sandisk and Kingston).
So I am wondering if a Class 4 of these brands are more reliable on the S4.
Are you using a Class 4 card?
If yes what is the brand?
Did you have a problem with it?
Will it slow down the S4 when taking photos or opening the gallery??
I don't mind waiting a minute or 2 when sending a big file from PC to SD if it will keep my data safe VS speed and unreliability of class 10

i use a sd card 16bg class4 brand trascend, in my gt-i9505and telephone is ok, very fast for all

I have SanDisk 16gb class 4, had it go corrupt (raw file system) 4 times using fat32. After I re did it as exfat I haven't had any issues after 2 weeks, *touch wood!
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ranger4740 said:
I have SanDisk 16gb class 4, had it go corrupt (raw file system) 4 times using fat32. After I re did it as exfat I haven't had any issues after 2 weeks, *touch wood!
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Is it fast enough for camera and gallery?

I've been using a Sandisk Class 10 for half a year now with my GS4 and never had any issues.
I don't recommend Kingston but Sandisk Issue as far as I know was sorted long time ago and why limit yourself to a slower Class 4.

Yes it seams to be ok but in comparison to what? I don't have any other sdcard to compare with, so mine could be really slow...
If I copy a 200Mb mp4 from internal storage to sd card speed fluctuates around 10MB(yte)/s
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ranger4740 said:
Yes it seams to be ok but in comparison to what? I don't have any other sdcard to compare with, so mine could be really slow...
If I copy a 200Mb mp4 from internal storage to sd card speed fluctuates around 10Mb/s
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Tried the Transcend 16gb class4 from my Cowon on the S4, the test results given by the app ''SD tools'' gave 4.5mb/s write speed which pretty low no?
I wonder if Sandisk class 4 are faster in writing

I'm using a 32GB Class 10 Transcend microSD. Works like a charm. Better than SanDisk any day.
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Used a Sandisk class 10 32gb microSD card for a couple of months, it gave me a lot of issues like random unmounting and photos getting corrupted. Got it replaced but the issues still persisted. Using a Samsung 16gb Class 6 now and i'm super happy with it. My mom is using a Sandisk Class 4 16gb microSD and doesn't seem to have any problems with it!

I just copied the 200MB mp4 to internal storage the speed was 17MB(yte)/s.
So the read write would be
10MB/s write and 17MB/s read I guess.
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Related

Quick question about SD card.

OK will a Class 6 SDHC work with the GT540?
It should done how do you no what class SD card you have its always made me wonder lol
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eoghan2t7 said:
It should done how do you no what class SD card you have its always made me wonder lol
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Check the packaging or run a speed test. Class refers to write speed - a speed of 2MB/s qualifies as class 2. 4MB/s is class 4, etc.
eoghan2t7 said:
It should done how do you no what class SD card you have its always made me wonder lol
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It should be written on the Mirco SDHC card itself. a small number inside a circle. If it is not written, it is probably not Micro SDHC its just Micro SD, which is typically 2GB or lower, and class 1.
By the way, Class 6 should work. I used class 4 and class 10 and they both worked.

Microsd Cards

I'm using a class 4 32gb microsd card in my nexus one but have seen some people having problems with different cards in there tf. So is there a minimium class for the tf?
Thanks
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I don't think so. I have used my class 4 16 gig and my friends class 10 16gig successfully. Ntfs format did not work, but fat32 format worked fine.... Both of these cards were from kingston
why not give it a try?
both class 4 and class 10 are working fine on my tf....fat32 formatted
I had to reformat my already fat32 cards before it was recognized. For MicroSD, SD AND USB Flash Drives. Strange, but all is good now.
Cool thanks guys
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Galaxy S4 killed my 16GB Kingston microSD

Ok so I turned on my p hone the other day and it says "SD Card damaged, please reformat". I ejected it and put it back in, and now the phone acts like there isnt an SD in the slot. Wtf. Anyone know why Samsung phones destroy SD Cards? And could anyone recommend a card it wont destroy? Ive heard good things about the 64 gig Samsung card but idk..
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Can you read it on your computer/laptop?
I would try reformatting on the phone after dumping any data to your pc.
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joeybear23 said:
Can you read it on your computer/laptop?
I would try reformatting on the phone after dumping any data to your pc.
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agreed
Did you get this card on eBay? Or from a reputable store? As others said - make sure you try the SD card in a computer or elsewhere.
I believe this is just a fluke issue. I had the same problem. I shut phone completely off for 5 minutes turned it back on and everything was fine with me. So before you go panicking try shutting phone off then back on.
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I also have had this happen with two separate cards. The last time it happened the data was a complete loss. Unreliable if you ask me.
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16gig any brand should not be having issues at all, format fat32, and it will work, now 64 on the other hand, s4 and 64g have serious issues playing together.
I have an 8 gig and 16 gig card that I have used for YEARS and my S4 runs them just fine. I don't really think it's the phone.
I've had this issue a few times on my SanDisk 64GB. I panic at first, then just reboot and wait and it comes back fine... No data loss (yet) but I have everything backed up anyway..
only one thing to do, kill the S4...
joeybear23 said:
Can you read it on your computer/laptop?
I would try reformatting on the phone after dumping any data to your pc.
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I cannot read it on my desktop or laptop. Wont show up in disk utility on mac os x either.
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Ive rebooted multiple times and it doesnt work. It doesnt show on a computer. So im not sure what to do..
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Also it was a 16gb kingston class 10 card.
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I have never ever had any issues with the micro sd card on any of the Galaxy's phone. It might be a bad card. It's not your phone that killed the Kingston micro sd card. If your phone was a killer, it would have killed internal sd first before even killing this innocent 16 GB Kingston micro sd card.
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krips2003 said:
I have never ever had any issues with the micro sd card on any of the Galaxy's phone. It might be a bad card. It's not your phone that killed the Kingston micro sd card. If your phone was a killer, it would have killed internal sd first before even killing this innocent 16 GB Kingston micro sd card.
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Never heard of it???
Check here
http://forums.androidcentral.com/general-help-how/276489-samsung-galaxy-s4-sd-card-issue.html
I had the same thing happen to me! It sucks!
XxSHaDoWxSLaYeRxX said:
Ok so I turned on my p hone the other day and it says "SD Card damaged, please reformat". I ejected it and put it back in, and now the phone acts like there isnt an SD in the slot. Wtf. Anyone know why Samsung phones destroy SD Cards? And could anyone recommend a card it wont destroy? Ive heard good things about the 64 gig Samsung card but idk..
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Where did you buy the SD card from?
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My bro had a 64 gig on his note 2 that did that I put it in my s4 and formatted it and it worked fine. Try using another phone to reformat it?
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OP I TOTALLY feel your pain! I've killed 2 64GB SD cards with my S4 since it was new. They were both sandisk ultra class 10 cards. I finally got a Samsung brand, and haven't had one single issue! It even runs faster than the sandisk ones.
Kingston SD cards .... the *** NEW Kingston SD *** cards are now working with Samsung devices.
My first Kingston 64 GB SD card stopped working months ago and asked Kingston for a RMA and they sent my new card. Now this new card has stopped working as well ... i asked Kingston what the problem was and they mentioned the the last batches of 64 GB SD cards were not compatible with Samsung Phones. I have two (2) Kingston 64 GB SD cards. Check the numbers on your Kingston SD cards NOW...
the two cards i have now are being returned via RMA and the numbers i have are
31461-001.AOOLF
NO427-003.AOOLF
Please check your SD Card numbers now and BACK UP your SD cards and
CONTACT Kingston RMA department at 1-800-337-3719
shop.kingston.com/web_rma/default.asp
Kingston Digital Inc.
17665A Newhope St.
Fountain Valley, CA 92708
Phone: 714-438-1810
Free long distance number
1-800-337-3719
thanks ...hope this helps

Micro sd shows 01/01/1970

My 32 GB micro sd card shows 01/01/1970,what it means?My memory card is brand new sandisk class 4.is it a problem?
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paradise220 said:
My 32 GB micro sd card shows 01/01/1970,what it means?My memory card is brand new sandisk class 4.is it a problem?
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mine has nothing on it ,longs as you can put thing on it and it works wouldn't worry
That's time 0. Its when computers start counting the milliseconds that have passed to the present time. It happened because a lazy programmer needed to provide the current time and just put 0 because he didn't feel like getting it. Enjoy ur free software

still issues with class 10 cards from sandisk?

Hi,
i have read about issues with class 10 cards and wanted to ask if those are still valid?
i tend to have many files on my sd (currently around 31k
I use a SanDisk ultra sdhc class 10 32gb no issue for me
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I also have no issue using SanDisk Ultra SDHC Class 10 32Gb.
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