I don’t have enough space to update. What do I do?

You will have to gain space by deleting photos, messages, apps, etc. Be sure to save important photos and data to your computer or an external drive. 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

Move or delete things from the device. It's the only way to free up space.