32 GB Micro SD card question!

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I bought a 32 gb micro sd off ebay! I've heard of some people getting bad cards off there. The one I've got is a Sandisk 32 gb class 4.

I've been able to do these things:
-It reads 30.9 gb available space after formatting it.
-Format it from the phone.
-Move my apps to it and they function fine.
- record video and take pictures and view from the phone.

Now when it comes to putting MP4 movies on it, I've been able to get 3 to work. Any others I put on it it either won't read them or the video doesn't play right. I have a class 2 16 gb sandisk that has no problems at all.

My questions are these. How do I know if I got a fake one, is there a way to test it? Are there any ideas on a way to fix this?

I'm running a 32gb class 4 card in my phone with no problems.

Are you saying that the <i>same files</i> work on the 16gb card, but not the 32gb card? I'm having a hard time with that idea; the card doesn't care what the file is; its only job is to store the bits.

It is possible that you're hitting a bad spot on the chip, and that the larger video files happen to be the ones hitting the bad spot, but I've never actually heard of an SD card that "sort of" works; every one I've ever had has either worked or not worked.

If you're having trouble with video files in general, the problem is more likely the encoding of the video files. If you're trying to view downloaded movies, you could be hitting unsupported resolutions, bit rates, or encoding schemes. There also seems to be a wide variation in h.264 encoders, so some will work great and others will fail miserably.

One thing you could do is find an encoder that works for you, then run any movies you acquire through that encoder to ensure that you have a uniform resolution, bit rate, and h.264 encoding setting.

Originally Posted by TomXP411

I'm running a 32gb class 4 card in my phone with no problems.

Are you saying that the <i>same files</i> work on the 16gb card, but not the 32gb card? I'm having a hard time with that idea; the card doesn't care what the file is; its only job is to store the bits.

It is possible that you're hitting a bad spot on the chip, and that the larger video files happen to be the ones hitting the bad spot, but I've never actually heard of an SD card that "sort of" works; every one I've ever had has either worked or not worked.

If you're having trouble with video files in general, the problem is more likely the encoding of the video files. If you're trying to view downloaded movies, you could be hitting unsupported resolutions, bit rates, or encoding schemes. There also seems to be a wide variation in h.264 encoders, so some will work great and others will fail miserably.

One thing you could do is find an encoder that works for you, then run any movies you acquire through that encoder to ensure that you have a uniform resolution, bit rate, and h.264 encoding setting.

Hey Tom thanks for helping OP out. Regarding the 32gb card, how much did you pay for it? I was looking in amazon and they are 45 dollars. Did you find a better deal?

Originally Posted by tcross8361

I bought a 32 gb micro sd off ebay! I've heard of some people getting bad cards off there. The one I've got is a Sandisk 32 gb class 4.

I've been able to do these things:
-It reads 30.9 gb available space after formatting it.
-Format it from the phone.
-Move my apps to it and they function fine.
- record video and take pictures and view from the phone.

Now when it comes to putting MP4 movies on it, I've been able to get 3 to work. Any others I put on it it either won't read them or the video doesn't play right. I have a class 2 16 gb sandisk that has no problems at all.

My questions are these. How do I know if I got a fake one, is there a way to test it? Are there any ideas on a way to fix this?

30.9 gb sounds right. The rest of the card is dedicated to storing a map of where the files are stored.

If you think the video files are corrupted, try playing them on your computer from the card.....they should work. In that case you just have a funky file that isn't working in your phone.

Moboplayer is my favorite media player, if it needs any extra codecs to work, it'll let you know. Just make sure to change the video decoding to "software" after that, I believe.

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What are you guys using to get all of the files transferred from an old card to the new card, I have formatted it on the phone, on the computer, tried copying from the computer to the card using a USB adapter, tried copying over the same way but in 3 separate batches, The phone is seeing the card and 26G free, but none of my programs are showing up. I am now trying this, formatted the card in the phone, and copying through the phone.

Originally Posted by idbl_fanatic

What are you guys using to get all of the files transferred from an old card to the new card, I have formatted it on the phone, on the computer, tried copying from the computer to the card using a USB adapter, tried copying over the same way but in 3 separate batches, The phone is seeing the card and 26G free, but none of my programs are showing up. I am now trying this, formatted the card in the phone, and copying through the phone.

I just used a card reader and copied the files onto the computer then from my computer to the new card. Also i think it was a bogus card. The guy offered a full refund but now that he got it back, I havent heard from him. I filed a buyer protection claim. I read a n article in ebay forums about bogus 32 gb cards being sold. They're only 2 or 4 gig cards made to look like 32's. Anyone else heard of this?


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