How to Fix WhatsApp Backup Stuck on Google Drive?

Have you ever stared at your screen watching a WhatsApp backup freeze at 0%, 99%, or just sit there saying “Preparing” with absolutely no progress? You are not alone. Millions of Android users run into this exact problem every single day, and it is incredibly frustrating, especially when your chats, photos, and voice messages feel like they are just hanging in limbo.

The good news? This problem is almost always fixable. In most cases, one or two simple steps are all it takes to get your backup moving again.

We have researched the most common reasons WhatsApp backups get stuck on Google Drive and compiled the most effective fixes used by real users and confirmed by WhatsApp’s own support documentation. By the end of this post, you will know exactly what to do, in what order, and why each fix works.

Key Takeaways

• Low Google Drive storage is the number one reason WhatsApp backup gets stuck. Always check your available Drive space before running any backup. Google gives you 15GB of free storage shared across Gmail, Drive, and Photos, so it fills up fast.
• A weak or unstable Wi-Fi connection is another major culprit. WhatsApp backup requires a sustained internet connection. If your signal drops even briefly during the process, the backup will pause or freeze entirely.
• Outdated apps cause hidden compatibility problems. Running an outdated version of WhatsApp, Google Drive, or Google Play Services can silently break the backup process. Updating all three together often resolves the issue immediately.
• Corrupted or conflicting old backup files on Google Drive can block a new backup from uploading. Deleting the old backup from Google Drive and starting fresh is one of the most reliable fixes available.
• Battery optimization settings on Android can interrupt background processes. If your phone restricts WhatsApp from running in the background, it can cut the backup process short without any visible error message.
• Clearing the cache for WhatsApp, Google Drive, and Google Play Services removes temporary data that can interfere with the backup process. This fix takes less than two minutes and solves the problem for a large number of users.

Why Does WhatsApp Backup Get Stuck on Google Drive?

Before jumping into fixes, it helps to understand what causes the problem in the first place. WhatsApp backup to Google Drive is not a simple file upload. The process involves WhatsApp collecting your chat data, compressing it, handing it off to Google Play Services, and then uploading it to Google Drive through your linked Google account. Each of these steps can go wrong for different reasons.

The most common causes include insufficient Google Drive storage, an unstable internet connection, outdated versions of WhatsApp or Google Play Services, corrupted cache files, battery optimization settings that kill background processes, and conflicts with existing backup files on your Drive. In some cases, a temporary server issue on Google’s side can also cause backups to stall.

Understanding the root cause helps you go straight to the right fix rather than trying everything randomly. That said, if you are not sure what is causing your issue, we recommend going through the fixes in order since they move from the simplest and most common to the more advanced.

Fix 1: Check Your Google Drive Storage Space

The very first thing you should do is check whether your Google Drive account has enough free space. This is the most common cause of a stuck backup, and it is the easiest to confirm.

Google gives every account 15GB of free storage. This storage is shared between Gmail, Google Photos, and Google Drive. If your Drive is close to full, WhatsApp simply cannot upload the backup file, and the process will freeze or fail silently.

To check your storage, open the Google Drive app on your phone and tap the three-line menu in the top left corner. Select Storage from the menu to see exactly how much space you are using and how much is left. Alternatively, you can go to drive.google.com/settings on a browser and check the storage breakdown.

If your storage is nearly full, you have a few options. You can delete old files, photos, or emails from Gmail to free up space. You can also go to Google Drive > Storage > Backups and delete any old or unused backups taking up space. WhatsApp backup files can sometimes grow to several gigabytes, especially if you have been using the app for years with media enabled. Freeing up at least 2 to 3GB more than your current WhatsApp backup size is a good target before trying again.

Once you have cleared enough space, go to WhatsApp > Settings > Chats > Chat Backup and tap Back Up Now to restart the process.

Fix 2: Check and Strengthen Your Internet Connection

A weak or unstable Wi-Fi connection is one of the top reasons a WhatsApp backup gets stuck. The upload process requires a continuous and stable connection, and any interruption can cause it to freeze or time out.

First, check whether you are connected to Wi-Fi. By default, WhatsApp is configured to only back up over Wi-Fi, not mobile data. If you are not connected to a Wi-Fi network, the backup will not even start or will appear to freeze immediately.

If you are already on Wi-Fi, try the following steps to improve the connection. Turn your Wi-Fi off, wait 10 seconds, and turn it back on. This refreshes the connection and often resolves minor connectivity issues. You can also move closer to your router to get a stronger signal. If possible, restart the router itself.

If the current Wi-Fi network keeps causing problems, try switching to a different network or hotspot. Sometimes the issue is specific to the network itself and not your phone.

If you want to allow WhatsApp to back up over mobile data, go to WhatsApp Settings > Chats > Chat Backup. Under Back up over, select Wi-Fi or Cellular. This gives WhatsApp more flexibility during the backup process and can help when your Wi-Fi is unreliable. Just make sure you have enough mobile data available before enabling this.

Fix 3: Restart Your Device

Sometimes the simplest fix is the most effective one. Restarting your phone clears temporary memory, stops background processes that might be conflicting with the backup, and gives the system a clean start.

Hold down your phone’s power button and select Restart or Reboot. Once the phone starts back up, open WhatsApp, go to Settings > Chats > Chat Backup, and tap Back Up Now again.

Many users report that a simple restart immediately resolves the “Preparing for backup” or “Backup stuck at 0%” issue. This works because certain background services or system processes can interfere with the backup upload. A restart clears those conflicts without requiring you to change any settings.

This fix takes less than two minutes and costs nothing. If you have not tried it yet, do this before anything else.

Fix 4: Clear Cache for WhatsApp, Google Drive, and Google Play Services

Cached data is temporary information that apps store to run faster. Over time, this cache can become corrupted or outdated, which causes apps to behave unexpectedly. Clearing the cache for the three main apps involved in the backup process often resolves a stuck backup immediately.

Here is how to clear the cache for each app on Android:

Go to your phone’s Settings > Apps (or Application Manager on some devices). Search for WhatsApp, tap it, go to Storage, and tap Clear Cache. Do not tap “Clear Data” unless instructed, as that removes app settings. Repeat the same steps for Google Drive and Google Play Services.

Clearing the Google Play Services cache is especially important because this service acts as the bridge between WhatsApp and Google Drive. If Play Services has corrupted cache data, it can block the backup upload entirely even if everything else is set up correctly.

After clearing all three caches, restart your phone and try the backup again. This fix resolves the problem for a very large number of users and is one of the most frequently recommended solutions by both WhatsApp support and Android community forums.

Fix 5: Sign Out and Sign Back Into Your Google Account

A problem with your Google account authentication can cause the backup to freeze. If WhatsApp cannot properly verify your Google account, it cannot connect to Google Drive to upload the backup.

To fix this, go to Settings > Accounts > Google on your Android device. Tap on your Google account and select Remove Account. Do not worry. Removing the account from your phone does not delete your Gmail, Drive files, or any other data. It just signs you out on the device.

After removing the account, restart your phone. Then go back to Settings > Accounts > Add Account, select Google, and sign in again with your credentials. Once your account is re-added, open WhatsApp, go to Settings > Chats > Chat Backup, make sure the correct Google account is selected under Account, and tap Back Up Now.

This process refreshes the authentication tokens that Google uses to verify your identity, which often resolves permission-related backup failures. This fix is particularly effective if the backup was working fine before and suddenly stopped without any obvious reason.

Fix 6: Update WhatsApp to the Latest Version

Running an outdated version of WhatsApp is a common but overlooked cause of backup issues. Each new version of WhatsApp includes bug fixes, performance improvements, and compatibility updates that may directly affect how the backup process works.

To update WhatsApp, open the Google Play Store, tap the search bar, and type WhatsApp. If an update is available, you will see an Update button. Tap it and wait for the update to install. Alternatively, tap your profile icon in the top right corner of the Play Store, go to Manage Apps and Device, and check for pending updates.

After updating, open WhatsApp, go to Settings > Chats > Chat Backup, and try the backup again. In many cases, the update itself resolves the underlying bug that was causing the backup to freeze.

It is also worth checking whether Google Drive and Google Play Services have updates available. All three apps work together during the backup process, so keeping them all updated ensures they are fully compatible with each other.

Fix 7: Update Google Play Services

Google Play Services is a core system component that manages background processes, including app-to-cloud communication. If it is outdated or has a bug, it can block the connection between WhatsApp and Google Drive, causing the backup to hang indefinitely.

To update Google Play Services, open the Google Play Store and search for Google Play Services. If an update is available, install it right away. On some Android devices, Google Play Services updates automatically in the background, but it is worth checking manually if you are having backup issues.

You can also clear the cache for Google Play Services separately to resolve conflicts. Go to Settings > Apps > Google Play Services > Storage > Clear Cache. Do not tap “Clear Data” for Play Services, as this can affect many other apps and system functions. Clearing only the cache is safe and effective.

After updating and clearing the cache, restart your phone and try the backup again. This step resolves backup issues related to authentication errors and upload failures that occur at the service level.

Fix 8: Delete the Old WhatsApp Backup on Google Drive

If you already have a WhatsApp backup stored on Google Drive, it can sometimes conflict with or block a new backup from uploading. Deleting the old backup and starting fresh is one of the most reliable solutions for persistent backup failures.

To delete the existing WhatsApp backup from Google Drive, open the Google Drive app and tap the three-line menu icon in the top left. Select Backups from the menu. You will see a list of backups associated with your account. Tap on the WhatsApp backup and select Delete Backup. Confirm the deletion.

It is important to note that deleting the backup from Google Drive does not delete your chats from your phone. Your chat data is still on your device. What you are deleting is the cloud copy. Once the old backup is gone, the conflicting file no longer exists, and WhatsApp can create a fresh upload from scratch.

After deleting the old backup, go back to WhatsApp and tap Back Up Now to start a new one. Keep the screen on and stay connected to Wi-Fi during the process to avoid interruptions.

Fix 9: Check WhatsApp App Permissions

WhatsApp needs specific permissions on your Android device to complete a backup. If any of these permissions are blocked or denied, the backup will fail or get stuck without a clear error message.

The most important permissions for WhatsApp backup are Storage and Contacts. Without storage permission, WhatsApp cannot read the local chat data to prepare the backup. Without contacts permission, the app sometimes gets stuck on the “Looking for Backups” screen.

To check permissions, go to Settings > Apps > WhatsApp > Permissions. Make sure that Storage (or Files and Media on newer Android versions) and Contacts are both set to Allow. If any permission is set to Deny, change it to Allow immediately.

After adjusting permissions, force stop WhatsApp by going to Settings > Apps > WhatsApp > Force Stop. Then reopen WhatsApp and attempt the backup again. This ensures the app restarts with the updated permission settings applied properly.

Fix 10: Disable Battery Optimization for WhatsApp

Android’s battery optimization feature is designed to save power by limiting background activity for apps. While this is helpful for battery life, it can also interrupt the WhatsApp backup process, especially for backups that take a long time to complete.

When battery optimization is active for WhatsApp, Android may put the app to sleep mid-backup. This causes the process to freeze or stop without finishing. The fix is to exclude WhatsApp from battery optimization.

To do this, go to Settings > Apps > WhatsApp > Battery. Tap Battery Optimization or Optimize Battery Usage (the exact label varies by device). Find WhatsApp in the list and set it to Don’t Optimize or Unrestricted. This tells Android to leave WhatsApp running freely in the background without any power restrictions.

On Samsung devices, this setting is often found under Settings > Device Care > Battery > Background Usage Limits. Look for WhatsApp in the “Sleeping Apps” or “Deep Sleeping Apps” list and remove it from there.

After making this change, restart your phone and try the backup again. This fix is particularly useful for users whose backup starts but freezes partway through, especially during large backups.

Fix 11: Exclude Videos from Your Backup

If your WhatsApp backup is extremely large, it may take much longer to upload and is more likely to freeze due to timeouts or storage limitations. One of the most effective ways to reduce backup size is to exclude videos from the backup.

Videos are by far the largest files in a WhatsApp backup. A single shared video can be hundreds of megabytes, and if you have been using WhatsApp for years with an active media-sharing chat group, your total video storage can easily exceed several gigabytes.

To exclude videos from your backup, open WhatsApp and go to Settings > Chats > Chat Backup. You will see an option called Include Videos with a toggle next to it. Turn this toggle off to exclude videos from the backup process. This can reduce your backup size by 50% to 80%, depending on how many videos are stored in your chats.

Once videos are excluded, tap Back Up Now and watch whether the backup completes without freezing. If it does, your video files were the main problem. You can choose to re-enable video backup later after your initial backup succeeds, or keep it off to maintain faster backup times going forward.

Fix 12: Reinstall WhatsApp

If none of the above fixes have worked, reinstalling WhatsApp is the next logical step. This removes any corrupted app data or broken settings that may be causing the backup to freeze.

Before uninstalling WhatsApp, make sure you have a local backup of your chats. Go to WhatsApp > Settings > Chats > Chat Backup and tap Back Up Now. This saves a copy of your chats to your phone’s internal storage even if the Google Drive upload fails. The local backup file is saved in the WhatsApp/Databases folder on your device.

Once you have a local backup, go to Settings > Apps > WhatsApp > Uninstall to remove the app. After it is fully removed, restart your phone. Open the Google Play Store, search for WhatsApp, and install it fresh.

During the setup process, WhatsApp will detect your phone number and ask if you want to restore from a backup. Select the option to restore and follow the on-screen steps. Once restored, go to Settings > Chats > Chat Backup and try the Google Drive backup again. A fresh installation resolves deep-seated app issues that clearing the cache alone cannot fix.

How to Prevent WhatsApp Backup from Getting Stuck in the Future

Once you have resolved the stuck backup issue, it is worth taking a few steps to prevent it from happening again. A small amount of maintenance goes a long way in keeping your backups running smoothly.

First, set up automatic backups on a daily or weekly schedule. Regular smaller backups are much less likely to fail than large infrequent ones because there is less new data to upload each time. Go to WhatsApp > Settings > Chats > Chat Backup > Back Up to Google Drive and select Daily or Weekly.

Second, keep a habit of monitoring your Google Drive storage. Set a reminder every few months to check your Drive usage and delete files you no longer need. This prevents storage-related backup failures before they happen.

Third, keep WhatsApp, Google Drive, and Google Play Services updated at all times. Enable auto-updates on the Play Store for these apps so you always have the latest bug fixes. Finally, consider excluding videos from automatic backups to keep the backup size small and the upload time fast. You can always save important videos manually to your phone’s gallery or a cloud service of your choice.

What to Do If the Backup Is Still Stuck

If you have tried every fix in this guide and the backup is still not completing, there are a few more things worth checking. First, visit the Google Workspace Status Dashboard at status.workspace.google.com to see if Google Drive is experiencing a service outage. Outages are rare but do happen, and no amount of troubleshooting on your end will fix a server-side problem.

Second, check whether your phone’s operating system needs an update. An outdated Android version can cause compatibility issues with Google services. Go to Settings > Software Update and install any available updates.

Third, try performing the backup at a different time of day. During peak hours, Google’s backup servers can be busier and more likely to time out for large uploads. Early morning backups often complete faster and more reliably.

If the issue persists even after all these steps, you can contact WhatsApp Support directly through WhatsApp > Settings > Help > Contact Us. Describe the exact stage where your backup freezes and mention the steps you have already tried. The support team can escalate the issue if it involves a server-side bug specific to your account.

FAQs

Why is my WhatsApp backup stuck at 0%?

A backup stuck at 0% usually means WhatsApp cannot start the upload process at all. This is most often caused by a Google account authentication error, insufficient Google Drive storage, or a missing or denied app permission. Start by checking your Drive storage, then sign out and back into your Google account, and make sure WhatsApp has storage permission enabled. These three steps resolve the majority of 0% stuck backups.

Why is my WhatsApp backup stuck at 99% or 100%?

A backup frozen at 99% or 100% typically means the upload to Google Drive nearly completed but Google failed to confirm the final file receipt. This can happen due to a brief network drop, a server timeout, or a conflict with an existing backup file. Try restarting your device and checking your Wi-Fi connection. If that does not work, delete the old backup from Google Drive and start a fresh one.

How long should a WhatsApp backup take?

The time depends entirely on the size of your backup and the speed of your internet connection. A small backup with only text chats may take just a few minutes. A large backup with several gigabytes of media can take 30 minutes to a few hours over a standard home Wi-Fi connection. If the backup has been running for more than 3 hours without progress, it is safe to assume it is stuck and you should try the fixes in this guide.

Does clearing WhatsApp cache delete my chats?

No, clearing the WhatsApp cache does not delete your chats. The cache only stores temporary data that the app uses to run faster. Your actual chat messages, photos, and media are stored separately and are not affected by clearing the cache. However, clearing WhatsApp data (which is different from cache) can remove app settings, though your backed-up chats remain intact in your local backup and on Google Drive.

Can I back up WhatsApp without Wi-Fi?

Yes, you can back up WhatsApp using mobile data. By default, WhatsApp is set to only back up over Wi-Fi. To change this, go to WhatsApp > Settings > Chats > Chat Backup, tap Back Up over and select Wi-Fi or Cellular. Keep in mind that backing up a large file over mobile data can use a significant amount of your data allowance, so it is best used only when Wi-Fi is unavailable.

Why does WhatsApp say “Backup in progress” but never finish?

This usually happens when a background process or battery optimization setting is interrupting the backup. Make sure WhatsApp is excluded from battery optimization in your phone settings, close all other apps running in the background, keep the WhatsApp screen active during the backup, and stay connected to a stable Wi-Fi network. Also, try excluding videos from the backup to reduce the file size and upload time.

Is it safe to delete my WhatsApp backup from Google Drive?

Yes, it is safe to delete your WhatsApp backup from Google Drive, as long as your chats are still on your phone. Deleting the Drive backup only removes the cloud copy. Your phone’s local backup remains intact in the WhatsApp/Databases folder. After deleting the Drive backup, you can start a fresh upload from scratch. This is actually one of the recommended fixes when the backup gets stuck due to a corrupted or conflicting old backup file.