USB OTG Transfer Speeds and File Loss - General Questions and Answers

Hello I an running a Droid Z2 Force. I have several cameras in which store pics/vid on SD cards. I generally use the Samsung EVO Select 32GB cards. I have a USB C to USB A 3.0 adapter. And a USB 3.0 card reader.
I have been using the native File Manager version 4.0.27.
I transfer the pictures from the SD card via the card reader to an SD card that resides in my phone. Also a Samsung EVO Select.
On multiple occasions I have experienced file loss. I perform the file transfer with the native file manager by selecting the folder on the SD card that is in the reader, selecting move to, selecting the folder on the SD card in phone that I want the files, and selecting paste. Occationally once completed the folder with pictures/videos is not on either SD card. They are totally lost.
Also the transfer speed is extremely slow. Painfully slow.
What is the best file manager for USB OTG file transfer like I am doing? I want something reliable that won't loose my pics. And something that will xfer quickly.
Also does it matter if I use Fat32, NTFS, or exFAT for the SD card? Currently I believe I'm using Fat32 but I will have to double check.
If I have left out any needed information please ask and I will supply it.

Bump

Use the 'copy' function instead of move, could be damaged sd card, bad card reader or anything.

Related

Micro SD help

I have my internal 16 gb all filled up about 95% and I bought a micro sd card which arrived today.
I began transferring media to the micro sd card under /removable/microsd/ and was able to transfer about 1gb so far of the possible 16gb.
i noticed when i would start a file transfer, i would get a pop up message saying the file "may be copied to the device for storage or transport use only. it is not supported for use on the device itself. if possible, use a media program that can convert the file before copying it. if you copy the file now, it will be stored on the device, but may not be presented in the device user interface."
however, i would get an error after saying theres not enough free space on the device when i began transferring my media.
wtf is going on and how do i transfer my media to the micro sd?
plug it into your PC and copy it to your PC then to microSD
yes, my tablet is hooked up to my pc. that is wherein lies the error messages i'm getting.
so it looks like when i cleared my micro sd and my internals and tried again it worked.
1) first i loaded my media onto the micro sd first
2) then i was able to transfer media to my internal storage
i find this strange because i was having errors loading to the micro sd card after my internal storage was filled up.
Where did you bought the microSDHC card? Did you tested it to full capacity and see if it's genuine?
hotshotz said:
so it looks like when i cleared my micro sd and my internals and tried again it worked.
1) first i loaded my media onto the micro sd first
2) then i was able to transfer media to my internal storage
i find this strange because i was having errors loading to the micro sd card after my internal storage was filled up.
Click to expand...
Click to collapse
I also get a message when trying to copy files to the microSDHC card (inserted in the TF) from the PC, but I just click to continue and they copy just fine.
yeah its real. transcend 16gb micro sdhc class 6 straight from amazon.
before i just bypass the message notification (hence loading about 2gb of media onto my micro sd).
when i tried to transfer more, i would get an error saying my storage was full. seems to be fluky.

[Q] Mounting SD card

Hi,
I can use my 16GB micro SD in the pad itself, but if I try to use a regular SD card it doesn't mount. Not even if I remove the micro SD. Is this a known issue, or is it just something with mine?
Cheers!
of what capacity is the regular sd card? I think (might be wrong) that the dock doesn't support certain capacities of cards. I have only ever used a microsd card in an adapter in the dock and that worked fine. Have you tried a reboot with the card in? can you see it in the file manager at all? I found that, when I can't mount a card, that switching file managers will work about 95% of the time.
I hope that helped a little bit

ASUS USB Kit and ASUS SD Card Reader

I recently Purchased the Asus External USB and External Card Reader. Both work excellent. My Question when using either external adaptor with a hard drive or sd card all files are easily accessed with the file manager but No Files (Pictures,Music,Movies) will sync with any Apps Like it does with the Micro Sd Card. Am I missing something or is there a walk around for this?

[Q] Copying files to a USB OTG disk

Hi
I'm trying to use my Samsung S3 to copy files from a USB card reader or Canon 7D to a USB hard drive. So far I've managed to get it to copy files but it keeps stopping with the error
Write error
---------------------------
Error writing to target file!
///usb/<DV02LU00P01>500Gb
usb/IMG_0022.CR2!
The point it stops isn't consistent, sometimes it copies 2 files, sometimes 13, sometimes 7 etc
The story so far:
1. Using an USB OTG Hub
2. Using Total Commander and USB-Stick Plugin v1.3.13
3. Phone is Rooted
4. Using a Transcend usb3 card reader
5. I've tried copying from the card reader to the phones internal memory
6. I've tried copying from the card reader to the phones extsdcard
7. I've tried copying from the card reader to the usb hard disk
8. I've used 3 different power supplies for the hub in case there was a power shortage.
9. I've used RawVision to copy directly from my Canon 7D to phones internal sd card
It seems that it is possible but it's very unreliable. I would really like it if I could set it going at night to copy a 16Gb card to the usb hard drive and know that it will do it.
Thanks for any help received.

galaxy note 8 -- sd card -- windows 10 laptop

hi,
I've made an attempt to search this forum b4 posting this. I've a Samsung galaxy s8 phone (unlocked). I've an sd card where i stored quite a few files. i don't have the original charging brick & usb type c cable. when I connected it to a windows 10 laptop to transfer files form sd card to laptop, I am not able 2c files beyond a certain date (8-mar). i can see all other files & transfer them via cable. i haven't done anything on that date or beyond (e.g. screwing up settings) I've taken out & re-inserted the micro sd card. no use. I don't have an micro sd card to sd card adapter. I'll get it & try to insert the sd card directly into laptop & c what happens. in the interim, I'm at loss to understand y files beyond a certain date are not showing up in windows file explorer but can be seen & opened in phone. any suggestions are appreciated.
May be the mentioned files have attribut "hidden"?
In case that there are hidden files on your SD card, it is recommended that you allow File Explorer to show the hidden files. To do so, you need to switch to the View tab and tick the checkbox for the Hidden items option in the Show/hide zone.

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