Memory storage full

Be sure to restart after deletions. You will have to continue deleting photos, messages, apps, etc. to gain storage space. Check these links...

How to check the storage on your iPhone, iPad, and iPod touch - Apple Support

Clear Other storage on your iPhone or iPad - Apple Support

kyawzinmaung Said:

"Memory storage full: I already delete all movies.But storage is full. I also rest phone.Still full storage.How can I do?"

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Try Clearing Space:

A. Clear Temporary Internet Files:

Clear your Temporary Internet Files(Cookies & Cache) of Safari:

• Cookies perform remembrance of certain site-entered data.
• Cache keeps a snapshot of the last time you visited a site.
• Go Here: Clear the History and Cookies from Safari on your iPhone, iPad, or iPod Touch - Apple Support

B. Clear "Other":

Clear the storages named "Other". It basically contains unnecessary files such as caches that are used for system ease of use - all of which gather over time: How to Clear "Other" in your iPhone's Storage - Use Backup - User Tips

you can also delete applications you don't use