Symptoms
- New photos don't appear on other devices
- Sync status shows 'paused' or shows an error
- Only some photos synced, others didn't
- Photos app shows a spinning or stuck upload icon
Likely causes
- CommonCloud storage fullPhotos can't upload once you've exceeded your storage plan's limit.
- CommonWeak or no Wi-Fi connectionPhoto sync typically pauses on weak connections or when limited to cellular only.
- CommonSync toggle turned off for photos specificallyThis setting is separate from general account sign-in and can be off even when signed in.
- PossibleLow battery triggering a pause in background syncSome phones pause background uploads below a certain battery level to save power.
- PossibleApp needs an update to fix a sync bugSync issues are commonly addressed in photo app updates.
What to do
- Check cloud storage usage and free up space or upgrade the plan if full.
- Connect to strong Wi-Fi, since sync is usually Wi-Fi only by default.
- Confirm the photo sync setting is turned on in the relevant app's settings.
- Charge the phone above 20–30%, since low battery can pause background uploads.
- Force-close and reopen the photos app.
- Update the photos app and phone OS to their latest versions.
- Restart the phone and check sync progress again.
When to call a pro
If sync stays broken across a good connection and available storage, contact Apple or Google support for account-specific help.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.