Running Out of Room? Fix 0 Bytes Available on iPhone with These Tips


Have you ever encountered a situation where, just when you wanted to take a photo, download an app, or update your system, your iPhone displays a frustrating "0 bytes available on iPhone" message, rendering you unable to perform any operations? This is a highly disheartening issue that can potentially impact the functionality and performance of your iPhone, even leading to data loss or corruption. So, why does your iPhone show 0 Bytes Available, and are there any methods to resolve this problem? This article aims to address these questions and guide you on reclaiming storage space on your iPhone.


Part 1. What Does 0 Bytes Mean on iPhone?

iPhone says 0 bytes available means that your iPhone's storage is completely full, with no remaining space for storing new data or running applications. This implies that your iPhone cannot perform any operations, including taking photos, downloading apps, updating the system, syncing data, and more. Your iPhone may become very slow and may experience issues such as lagging, crashing, or restarting. The data on your iPhone may also be affected, with the possibility of loss or damage.

Part 2. Why Does My iPhone Say 0 Bytes?

There could be several reasons why your iPhone is displaying 0 bytes available:

1. Excessive File Storage

This is the most common reason. Over time, your iPhone may accumulate a large number of photos, videos, apps, and other media files, occupying the storage space on your iPhone. In this case, you can delete unnecessary files to free up space.

2. Virus or Malware

While rare on iPhones, viruses or malware can also potentially cause storage issues, including displaying incorrect storage availability.

3. System Crash or Malfunction

Sometimes, the iPhone's system may encounter errors or crashes, leading to an incorrect storage information display, showing 0 bytes even when there is available space. This could be due to software updates, malware attacks, or other reasons causing system instability.

4. Synced Files

If your iPhone is syncing files with other devices or cloud services, these files will also occupy space on your iPhone. These files may include documents, music, photos, and more.

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Part 3. How to Fix 0 Bytes Available on iPhone

When you encounter 0 bytes available on iPhone, you can try the following solutions to restore your iPhone to normal functionality.

Fix 1. Free Up Space on iPhone

This is the simplest and most effective method. You can free up space on your iPhone by deleting unnecessary files, thereby resolving the 0 bytes available issue. Regularly cleaning up unused data contributes to maintaining optimal device performance. Follow these steps:

Step 1. To open "Settings", tap on the app icon, select "General", and then click on "iPhone Storage".

Step 2. Here, you can view the sizes and space occupied by various files on your iPhone, along with optimization suggestions.

Step 3. Depending on your needs, you can delete less frequently used apps, photos, videos, music, messages, etc. Alternatively, use features like "Offload Unused Apps" and "Optimize Photos" to save space.

free up space on iphone to fix 0 bytes available on iphone

Fix 2. Force Restart iPhone

A force restart can clear your iPhone's RAM without deleting data, potentially resolving minor software glitches that might lead to the incorrect display of storage data. The specific steps are as follows:

For iPhone 8 and later models:

  • Press and quickly release the "Volume Up" button.
  • Press and quickly release the "Volume Down" button.
  • Press and hold the "Side" button until the Apple logo appears.

For iPhone 7 and 7 Plus:

  • Simultaneously press and hold the "Volume Down" button and the "Side" button.
  • Continue holding both buttons until the Apple logo appears.

For iPhone 6s and earlier models:

  • Simultaneously press and hold the "Home" button and the "Side" button.
  • Continue holding both buttons until the Apple logo appears.

force restart iphone to fix iphone says 0 bytes available

Further Reading:

Backup Essentials: How Much iCloud Storage Is Needed for a Backup?

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Fix 3. Run Antivirus Software

As mentioned earlier, the 0 bytes available on iPhone error could be caused by a virus attack. Therefore, you can run some reliable antivirus software to scan your iPhone, detecting and removing any potentially malicious software.

Fix 4. Factory Reset iPhone

If the above methods prove ineffective, you may need to take a more drastic measure, which is to restore your iPhone to factory settings. This action will erase all data and settings on your iPhone, returning it to its initial state. Therefore, before performing this operation, it's essential to back up your iPhone data to prevent any loss. You can use iPhone backup software or utilize iTunes/iCloud to back up your iPhone. The steps to restore factory settings are as follows:

Step 1. Open "Settings", tap on "General", and then select "Reset".

Step 2. Tap "Erase All Content and Settings", enter your password, and confirm.

Step 3. Wait for your iPhone to complete the restoration process, then follow the on-screen prompts to set up your iPhone anew.

factory reset iphone to fix 0 bytes available on iphone

Part 4. How to Restore Data from 0 Bytes Storage iPhone

When you take measures to address the issue of iPhone says 0 bytes available and discover that some files are missing, you can try iPhone data recovery software to retrieve your lost data. Here, we recommend using Coolmuster iPhone Data Recovery. With this tool, you can recover iPhone data, including photos, contacts, messages, call logs, etc., directly from your iPhone or from iTunes/iCloud backups, providing a convenient and efficient solution.

Key Features:

  • Retrieve files that have been lost or deleted from your iOS device, iTunes, and iCloud backups.
  • Recover essential files such as contacts, SMS, photos, WhatsApp data, notes, and more.
  • Preview both currently existing and deleted data, enabling you to select the specific files you wish to recover or back up.
  • Efficient iOS data recovery that ensures swift retrieval without causing any damage to the data, preserving the original file format and quality.
  • Operate seamlessly on the most recent iOS 17.

Download Coolmuster iPhone Data Recovery to have a try.

3.1 Recover Data from iOS Device

01Download and install the software on your computer, then run it. Connect your iPhone to the computer and choose the "Recover from iOS Device" mode. Click on the "Trust" option on your mobile device for recognition.

choose recover from ios device

02After the connection, you will see the following interface. Please select the desired data types on the interface, then click "Start Scan" to proceed.

scan the data you want to recover

03Once the program scans the chosen data types, you can preview detailed files on the interface. Select a category from the left panel and choose specific items on the right. After selecting the data to recover, click the "Recover to Computer" icon to restore deleted data from your iPhone to the computer and transfer existing files to the computer.

recover data from iphone to computer

3.2 Recover Data from iTunes Backup

01Download and run Coolmuster iPhone Data Recovery, then choose the "Recover from iTunes Backup File" option on the left. It will examine the default iTunes backup directory on your computer. Choose a backup file from the list shown on the interface, and then click the "Start Scan" button.

choose itunes backup file

02Check the data types you want to recover, then click the "Start Scan" icon at the bottom right corner. Next, you can preview the iTunes backup file on your computer.

scan the data you want to recover

03Navigate to a category, and subsequently choose specific deleted and existing files from the right-hand side. Conclude the process by clicking on the "Recover to Computer" icon to initiate the file recovery from the iTunes backup.

recover data from itunes backup to computer

3.3 Recover Data from iCloud Backup

01Launch the software and access the "Recover from iCloud Backup File" mode. Follow the provided prompts to log in to your iCloud account. If prompted for two-factor authentication, enter the verification code received on your iOS device, then click "Verify" to proceed.

sign in with your apple id

02Choose the file types you wish to recover, and then click on the "Next" icon to commence a quick scan. Consequently, you can preview more detailed information from the iCloud backup file.

scan the data you want to recover

03Choose the files you want to restore, then click the "Recover to Computer" button to save the files on your computer.

recover data from icloud backup to computer

Video Tutorial:

Learn More:

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Words in the End

Experiencing the "0 bytes available on iPhone" can be frustrating, but it's not an insurmountable problem. By understanding the root causes of the issue and trying various solutions, you can reclaim storage space on your iPhone and enjoy a smoother user experience.

When it comes to recovering data from your device, Coolmuster iPhone Data Recovery stands out as the optimal choice. With this tool, users can effortlessly retrieve lost data from their iPhones, ensuring the device functions normally after addressing the storage issue. We hope this article proves helpful to you. If you have any questions or suggestions, feel free to leave a comment below.

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