Hello andrea_nyck,
It sounds as though you're looking to manage the storage on your iPhone and noticing 360 photos in the Photos app you're wanting to delete. When deleting a photo in the "Shared with You" album, they will remain in the message thread they were sent from but will be deleted from the Photos app. More information about Shared with You can be found in the following article.
Use Shared with You on your iPhone, iPad, or iPod touch
If you're attempting to update iOS and need more space, you'll want to utilize the tips listed below. You can also find these tips outlined in the following article. It is possible you may want to update using a computer. The article outlines those steps as well.
- "Go to Settings > General > [device] Storage.
- Scroll to the Recommendations section to see tips.
- If you still need more space after you use the recommendations, you can delete apps and content that you don't need. Scroll to the list of apps, then select any app to see how much space it uses.
- Tap Delete App. Some apps, such as Music, let you delete parts of their documents and data. You can redownload your purchased apps and content again later.
- Try to install the update again. Go to Settings > General > Software Update."
"If you see Other or System Data in the graph that shows your device storage, you don't need to take action to change them. Instead, delete apps and content that you don't need, and use the recommendations."
If you need more space for an update on your iPhone, iPad, or iPod touch
You can also find additional details that may be helpful in managing your iPhone storage in the article below.
How to check the storage on your iPhone, iPad, or iPod touch
Have a great rest of your day and let us know if you need additional support!