How to Fix Google Photos Not Backing Up on iPhone or Android

Is Google Photos stuck backing up or failing to sync your pictures? Follow our step-by-step guide to fix permissions, battery saver limits, and storage issues on Android and iOS.

By Toufikur RahmanOctober 5, 20269 min read

Sign in to save

Person holding a smartphone displaying an image gallery in Google Photos with backup icons

Quick answer If you find Google Photos not backing up, the most common culprits are low account storage, background restrictions like Low Power Mode, or oversized media files exceeding 75MB or 100 megapixels. On Android, clear the app cache and toggle individual device folders; on iPhone, ensure Background App Refresh is enabled and keep the app open to resume stalled uploads.

Few things cause more anxiety than opening your cloud gallery and finding that your newest pictures never synced. When automatic uploads stop without an obvious error message, your irreplaceable memories are left sitting only on your physical phone, vulnerable to loss or damage.

Operating system updates, aggressive battery savers, and recent cloud workflow changes can quietly pause your sync queue. Whether your backup status shows an endless spinning wheel or an incorrect completion status, systematically checking your settings will restore your automated backups.

Key takeaways

Photos larger than 75MB or 100MP will silently jam the upload queue for all subsequent files.
Low Power Mode on iOS and Battery Optimization on Android frequently cut off background sync without warning.
Android requires users to manually enable backup for non-camera directories like WhatsApp, Screenshots, and Downloads.
Clearing the app cache on Android or reinstalling on iOS does not delete original photos saved to your local storage.
Desktop syncing via Google Drive for Desktop was discontinued in August 2026, requiring direct mobile or web management.

Before You Start

Troubleshooting goes faster when you verify a few fundamental requirements first. Before diving into operating system settings, make sure you have the following ready:

Active Internet Connection: Connect to a stable Wi-Fi network. Weak connections can cause uploads to pause repeatedly.
Your Smartphone: Have your iPhone (iOS 16 or newer) or Android (Android 12 or newer) device unlocked and charged to at least 50%.
Updated App: Open the Google Play Store or Apple App Store and verify that you are running the latest version of the Google Photos app.
Time Needed: Roughly 5 to 10 minutes to verify settings and test upload queues.

Check Your Google Storage Space and Account Status

smartphone settings battery screen

Photo by Steve A Johnson on Pexels

Your Google Photos storage is shared directly across Gmail, Google Drive, and Google Photos. If your account runs out of space, backups stop immediately.

To check your available quota and account status, follow these steps:

Open the Google Photos app on your device.
Tap your profile picture or avatar in the top-right corner.
Check the storage bar under your account name to confirm you have space remaining.
Look at the backup status directly beneath your email address to confirm if it says "Backup complete", "Backup is off", or "Backing up".
Pull down on the main gallery screen to force a manual status refresh.

Tip: If your storage is full, you do not necessarily need to buy a larger subscription right away. You can clean out large drive attachments or look at how to free up iCloud storage without losing photos if you are balancing multi-cloud backups across Apple and Google ecosystems.

Fix App Permissions and Background Sync Settings

Both Android and iOS enforce strict rules about which apps can run in the background and access your photo library. If permissions are restricted, uploads will halt whenever you switch away from the app.

On iPhone (iOS)

Open Settings on your iPhone.
Scroll down and tap Google Photos.
Tap Photos, then select Full Access (choosing "Limited Access" prevents the app from reading newly captured media).
Return to the main Google Photos settings menu and toggle Background App Refresh to On.

On Android

Open Settings > Apps > Photos.
Tap Permissions > Photos and videos (or Storage on older versions) and select Allow always or Allow.
Open the Google Photos app and tap your profile picture > Photos settings.
Tap Backup > Back up device folders.
Ensure toggles are enabled for third-party directories like Screenshots, WhatsApp Images, and Download folders.

Warning: Android does not back up non-camera folders by default. If your camera shots upload fine but received messages and downloaded pictures do not appear in the cloud, you must manually enable those folders under "Back up device folders".

Resolve Network Constraints and Battery Saver Blocks

Battery management software on modern smartphones is designed to terminate background tasks to preserve power. When your battery dips or power saving kicks in, background photo sync is usually the first service stopped.

Benefits of Disabling Battery Restrictions

Photos upload the moment you snap them without delay.
Background sync continues even when the phone screen is locked.
Eliminates persistent "Getting ready to back up" freezes.

Trade-offs

Slightly faster battery drain while shooting many photos.
Moderate background data usage if mobile network uploads are permitted.

Disable Battery Restrictions

iOS: Go to Settings > Battery and turn off Low Power Mode. Keep the Google Photos app open in the foreground while connected to Wi-Fi if you have hundreds of pending files.
Android: Go to Settings > Apps > Photos > Battery and select Unrestricted (or disable battery optimization).

Allow Cellular Data Backup (Optional)

If you lack reliable Wi-Fi, you can force backups over mobile data:

In Google Photos, tap your profile picture > Photos settings.
Select Backup > Mobile data usage (or Cellular data usage).
Select a daily limit or choose Unlimited, and enable Back up videos over data if desired.

Clear Cache and Force-Restart the App

Corrupted temporary cache files can cause the upload engine to lock up indefinitely. Clearing these files resets the local sync database without touching your actual pictures.

Operating System	How to Clear Cache	Data Impact
Android	Settings > Apps > Photos > Storage > Clear Cache	Temporary index files deleted; your local photos remain safe.
iOS (iPhone)	Settings > General > iPhone Storage > Google Photos > Delete App, then reinstall	App settings wiped; local camera roll remains completely untouched.

Force close the app: Swipe up from the bottom of your screen to enter the app switcher and swipe Google Photos away.
Clear the cache: On Android, navigate to Settings > Apps > Photos > Storage and tap Clear Cache. If issues persist, tap Clear Data (this rebuilds the gallery index on next launch).
Reinstall on iOS: Because iOS lacks a dedicated cache-clearing toggle, uninstall Google Photos and download it fresh from the App Store.
Re-open and wait: Open Google Photos and allow several minutes for it to rebuild the library thumbnail database.

Common Mistakes That Break Google Photos Backup

Troubleshooting is often about avoiding unforced errors. Here are the most frequent missteps users make:

Ignoring File Limitations: Google Photos cannot back up single photos larger than 75MB or images exceeding 100 megapixels. High-resolution panorama stitches or uncompressed RAW files can jam the entire backup queue.
Assuming Desktop Sync Still Works: As of August 10, 2026, Google Drive for Desktop officially deprecated and ended support for Google Photos folder backups. Attempting to manage phone backups through desktop drive sync workflows is no longer supported; use the mobile app or browser upload interface instead.
Leaving Low Power Mode Enabled: Low Power Mode on iOS halts all background cloud services. Leaving this active means you must manually open the app and keep it on screen for any pictures to sync.
Overlooking Folder Selection on Android: Assuming all phone images sync automatically. Camera images do, but custom folders require manual activation under backup settings.

If It Still Doesn't Work

If your uploads remain stuck after working through cache and permission settings, apply these advanced remedies:

Reset Your Google Account Connection (Android): Go to Settings > Users & Accounts > Google. Remove your account, restart the phone, then re-add the Google Account under settings.
Isolate Corrupted Files: Scroll through your local camera roll in the app. Look for items with a circular arrow icon or an exclamation mark. Select individual images and tap the three-dot menu, then tap Back up now to identify which specific file fails.
Use the Web Uploader: Go to photos.google.com in a desktop or mobile browser. Manually drag and drop the problem files to confirm whether the issue lies with your phone's software or the image files themselves.

Bottom line When Google Photos fails to back up, the solution almost always lies in battery throttling, missing folder toggles on Android, or an uncompressed image exceeding the 75MB/100MP cap. Android users should clear cache and check device folder toggles, while iPhone users should turn off Low Power Mode and leave the app open to let stalled queues clear.

FAQ

Why does Google Photos say 'Backup complete' when photos are missing?

This usually occurs when images are stored in unmonitored local folders. On Android, third-party apps like WhatsApp, Instagram, or native screenshot tools save to directories that are turned off by default. Open Google Photos settings, select Backup, tap Back up device folders, and enable the specific folders you want to sync.

Does Low Power Mode stop Google Photos from backing up?

Yes. Both Apple's Low Power Mode and Android's Battery Saver restrict background network activities. On iOS, Low Power Mode suspends background processing entirely, meaning Google Photos cannot back up any files until you disable the power saver or manually leave the app open on your screen.

Why is Google Photos stuck on 'Getting ready to back up'?

This message means the app is indexing your database or has encountered an unreadable or oversized file. Check that none of your photos exceed 75MB or 100 megapixels. On Android, clearing the app cache via device settings resolves database hangs. On iPhone, force-quitting the app or reinstalling it clears the stuck queue.

How do I force Google Photos to sync over cellular data?

Open Google Photos, tap your profile icon, and open Photos settings. Tap Backup, then select Mobile data usage (or Cellular data usage). Set a daily backup allowance or choose Unlimited, and toggle on "Back up videos over data" if you want large video clips to upload away from Wi-Fi.

Sources

Facts in this article were checked against these pages on October 5, 2026:

troubleshooting android iphone google photos cloud backup

How we researched this: this guide is based on current manufacturer information and reputable sources, listed in the Sources section above, and is updated when things change. Read our editorial policy.