[Fixed] WhatsApp Not Opening on iPhone Due to Storage

WhatsApp is the app we use most often when talking to our family and friends. It needs free space on your iPhone to store temporary files, media and message data. If your device has insufficient storage space, WhatsApp may struggle to function properly and you may encounter issues like iPhone storage full WhatsApp not working.

How to Fix WhatsApp Can't Open Due to Storage - 4 Ways

Before you take measures to fix WhatsApp manage storage not working on iPhone, you would better to check your iPhone storage: Open Settings > General > iPhone Storage. If you can't open WhatsApp because WhatsApp storage full on iPhone, now you can fix this problem by below 4 ways.

Way 1. Fix WhatsApp Can’t Open by Free up Full iPhone

Sufficient storage space on iPhone can keep WhatsApp running smoothly. If you can't open WhatsApp storage in full iPhone, maybe there is too much data accumulating, and this affects the app operation. Therefore, you can try freeing up space by deleting unused apps, photos, or large files to solve WhatsApp won’t open problems. 

The Best Way to Free Up iPhone Storage

FoneTool is a dedicated iOS data management tool. It provides iPhone backup, transfer, and data erasure functions, which can help you effectively manage iOS memory. When your iPhone storage is full and WhatsApp cannot work properly, you can use its erasure function to delete unnecessary data in the iPhone, such as some Safari history, call history, photos, music, videos, messages and other private data.

Step 1. Install and open FoneTool on your PC > Connect your iPhone to the computer > Go to Toolbox > Select Data Eraser.

Step 3. Choose Erase private data. If you need, you can choose Erase all data to factory reset your iPhone. > Then tap Get Started.

Step 4. Choose file type icons that you want to be erased > Check Enable Deep Erase Technology if you need them unrecoverable > Then click Start Erase to free up your iPhone.

Bonus Tip: Transfer iPhone Data to Release Storage

You can also free up iPhone storage space by transferring files from your iPhone to your PC. As a powerful iPhone data management app, FoneTool can be the best choice to transfer data from iPhone to PC.

Way 2. Delete WhatsApp Chats to Fix WhatsApp Can’t Open

WhatsApp will automatically save your chats and conversations. When they accumulate more and more, the issue “WhatsApp not opening on iPhone due to storage” happens. Therefore, to solve this problem, the first effective way is to delete unnecessary WhatsApp group messages and chats.

Here are steps for how to do it: Open the group chat > Click More > Tap Clear Chat to delete the conversation history.

If you don’t want to delete your WhatsApp chat, you can use FoneTool to backup WhatsApp from iPhone to PC. In this way, you can not only keep your chats and files, but also free up your iPhone memory, why not try it?

Simple steps to back up WhatsApp to PC

Step 1. Open FoneTool > On the left pane, click WhatsApp Manager > Select WhatsApp > Tap Get Started button under Backup WhatsApp.

Step 2. Check Enable Backup Encryption to protect your privacy > Set the storage path > Tap Start Backup to begin.

If you need to check or restore the backup, you can visit the My Backups page to view, restore, export, or delete your WhatsApp backup.

Way 3. Clean WhatsApp Storage Space

To resolve WhatsApp is not opening in iPhone due to the WhatsApp full storage, you can also free up WhatsApp storage space from the app settings. Check the steps below:

Step 1. Open the WhatsApp app > Click Settings from the bottom left > Choose Data and Storage Usage.

Step 2. Tap on Storage Usage > On this page, you can see all the chat history and the file size.

Step 3. Select any of them to delete from WhatsApp to release the storage.

Way 4. Disable WhatsApp Save Files to Camera Roll

Normally, the media files you share with others are automatically downloaded by WhatsApp to the Camera Roll. If too many media files are downloaded, the storage space of your iPhone will soon fill up. To avoid this situation, you can turn off this feature. Here are the steps you can follow.

Step 1. Navigate to the WhatsApp app > Click Settings > Tap Chats.

Step 2. In this page, scroll down to find Save to Camera Roll > Toggle off the switch.

Related Questions About WhatsApp Not Opening on iPhone

After reading, you already know how to fix WhatsApp not opening due to storage. Here, we list other related questions you may also be interested in:

1. Does WhatsApp use iPhone’s internal or iCloud storage?

WhatsApp stores data on your iPhone’s internal storage. Chat backups, however, are stored in iCloud if you’ve enabled WhatsApp iCloud Backup. iCloud only provides 5GB free storage, you can use FoneTool to backup WhatsApp on iPhone without iCloud and without space limit.

2. Why does my iPhone say 'Storage Almost Full' but I can’t find large files in WhatsApp?

Storage issues may stem from other apps, system data, or hidden media files. Review overall iPhone storage settings and clean up unnecessary content across the device.

3. How can I prevent WhatsApp from taking up too much storage in the future?

Disable automatic media downloads in WhatsApp by going to Settings > Storage and Data > Media Auto-Download. This will prevent unnecessary media from filling up your storage. Or you can backup WhatsApp data and then delete the files on your iPhone.

Conclusion

That’s all about the fixes of WhatsApp not opening on iPhone due to storage. No matter what way you choose, hope you can solve the WhatsApp can’t open issues successfully. If you need to release iPhone storage space, we strongly recommend FoneTool to you. It not only supports you to delete data, but allows you to backup WhatsApp from iPhone to PC.