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OneDrive File Issues

How to Fix Missing Photos and Videos from OneDrive Backup on Samsung Phone

Maira MehtabMaira Mehtab Sep 21, 2026 869 views

Question details

The user is missing several photos and a video taken on a Samsung S23 Ultra from their connected OneDrive Gallery and needs to know why the sync failed and how to resume it.

Product
OneDrive / Samsung Gallery
Device & OS
Samsung S23 Ultra
Scenario
Synchronizing recently captured photos and large video files from a Samsung device to OneDrive.
Observed behavior
Approximately ten photos and one video are missing from the OneDrive backup, and a manual resynchronization attempt failed to restore them to the cloud gallery.
Before you start

Before troubleshooting, verify that your OneDrive account has sufficient cloud storage space available and that your device is not currently in a low-battery power-saving mode, which can pause background syncs.

Solution 1Recommended

Verify Samsung Gallery Sync Settings and Upload Status

Because Samsung Gallery uses a two-way synchronization mechanism rather than a standard one-way camera upload, verifying local files, network connections, and upload queues is necessary.

Samsung Gallery synchronization operates differently from standard OneDrive synchronization. It links the accounts to synchronize photos from the Samsung Gallery in both directions, meaning edits and deletions are mirrored.

Large media files, especially videos recorded on high-end devices like the S23 Ultra, take significantly longer to upload. They may temporarily appear missing while the background transfer completes.

1
Check the Local Samsung Gallery

Open the Samsung Gallery app on your device and confirm that the missing photos and video are still physically saved on your phone.

2
Monitor Video Upload Status

Open the OneDrive app, tap on the 'Me' tab or the cloud icon, and check the active upload queue. Allow extra time for large video files to complete uploading.

3
Switch Network Connections

Disable Wi-Fi and switch to mobile data (or vice versa) to rule out router restrictions or unstable network connections, then attempt the sync again.

4
Force Resynchronization

Navigate to the Samsung Gallery settings, tap on 'Sync with OneDrive', and trigger a manual synchronization after verifying your network connection.

Two-Way Sync Warning: If you delete a photo from OneDrive to free up cloud space, the two-way sync will automatically delete the original photo from your Samsung Gallery as well.
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Frequently Asked Questions

What is the difference between Samsung Gallery sync and standard OneDrive Camera Upload?

Standard OneDrive Camera Upload is a one-way backup process from your device to the cloud. Samsung Gallery sync is a two-way synchronization process, meaning any changes, additions, or deletions made in the Samsung Gallery or in OneDrive will mirror across both platforms.

Why does a video take so long to appear in my OneDrive Gallery?

High-resolution videos, such as 4K or 8K recordings from devices like the Samsung S23 Ultra, generate massive file sizes. OneDrive processes these files at the speed of your current internet upload bandwidth, so they may take considerably longer to appear than standard photos.

How do I unlink my Samsung Gallery from OneDrive?

To disconnect the two-way sync, log into your Microsoft Account online, go to the 'Privacy' section, find 'Apps and services that can access your data', select 'Samsung Cloud', and choose 'Remove these permissions'.

Will I lose my photos if I turn off Samsung Gallery sync?

No. Turning off the synchronization simply stops future changes from mirroring between the two services. Photos already saved to your Samsung device and photos already uploaded to OneDrive will remain safely in their respective locations.