I try to copy one particular video file about 180Mb from SD card. First I just tried to download it from MTP, but copying to other location fails too at about 53%.

I guess the card is damaged. So what are my options?

  1. I'd like to ensure that card is damaged
  2. I still want to copy that file even with errors
  3. I want to free space occupied by this file, but I don't want other new files to be corrupted

Is there a way to check the SD card for damage, remove bad blocks from usage and still get my file?

  • First counter-question: is the card used as adoptable storage? If not, create an image of the card and use something like TestDisk to analyze it and extact the file (see our data-recovery tag-wiki). You could also check your card from your PC (attached via card reader) – or on the command line in your Android device with fsck (FileSystemChecK tool). – Izzy Jun 30 '18 at 10:13

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