For the last while now (months, I think it may have been tied to an update), most of the files in my download folder (/storage/emulated/0/download) disappear at seemingly random times, then all come back some time in the future at seemingly random times. During the time that files have disappeared, an empty QuickTransfer folder appears in the download folder, then that folder disappears as soon as my downloads come back.

Not all files disappear though. I can't find any pattern as to which files disappear and which don't. Most of the files that remain are the oldest in the folder, but now there's so recent downloads that remain as well.

Restarting my phone doesn't help. It seems to only be resolved by waiting.

I've started moving any important downloads (like airplane Boarding Passes) to my external SD for safe keeping because I can't afford for some of them to randomly go missing for awhile.

Does anyone know why my downloads are randomly disappearing or what the QuickTransfer folder is related to?

I ran the DiskUsage app and looked at what was using what memory while the files were gone. "System Data" grew by roughly 2x the amount of the size of the download folder while the files were missing, so it looks like some System app is doing something. I'm thinking it's probably Samsung or Google doing a backup, even though I thought I blacklisted that folder.

Samsung Note 8 (SM-N950W)

Android 8.0.0

  • I'm wondering if it was Samsung doing a "Documents" backup. It says that a backup was running around that time. – Carcigenicate Mar 14 at 16:55

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