Some iPhone users have reported difficulties in accepting and downloading HEIC photos in the Messages app. While they can send HEIC photos without any issues, receiving them poses a problem. Despite attempts to restart the iPhone, the problem persists. If you're encountering the same issue, consider trying the following solutions.

1. Disable Lockdown Mode

Check and turn off Lockdown mode on the iPhone Settings, Message attachment may be blocked in the Lockdown mode. Go to iPhone Settings -> Privacy & Security -> scroll down and ensure that Lockdown Mode is turned off.

2. Enable High Efficiency Format

When receiving HEIC photos in the Messages app, confirm that the receiving device supports the High Efficiency Image File Format (HEIC). Go to iPhone Settings -> Camera -> Formats -> select High Efficiency.

3. Sign Out of iCloud

Sign out of iCloud on your iPhone and then sign in again. Upon signing out, all messages and message attachments stored in iCloud remain accessible. After signing in, message attachments will reload in the Messages app.

Go to iPhone Settings, tap Apple ID, scroll down, tap Sign Out, enter the Apple ID password, and tap Turn Off. Turn on the data you want to keep a copy of on your device. Tap Sign Out.

Navigate to iPhone Settings, tap Apple ID, and sign in with your Apple ID and password.

4. Free up iCloud Storage

If iCloud storage is full, HEIC photos may not download in the Messages app. Go to iPhone Settings -> Apple ID -> iCloud -> Manage Account Storage. If the available iCloud storage is insufficient, delete some items to free up space.

5. Free up Message Storage

If the Messages app contains numerous conversations and attachments, consider deleting unnecessary messages. Before doing so, make a backup for messages and attachents. We recommend using iPhone Cleaner app to transfer and backup iPhone message and attachment, and it can help to free up other iPhone storage space.

Conclusion:
By following these steps, you should be able to resolve issues related to downloading HEIC files in the Messages app on your iPhone. If the problem persists, consider reaching out to Apple Support for further assistance.

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