How to clear memory on iphone5s ios9

First, open Settings > General > Usage.

The list shows what items are taking up storage space and what items are taking up the most space. Click the button on the right side of the list to see details and delete unnecessary items here.

Deleted Movies and TV Shows

Click on the video and you will see a list as shown on the left side of the picture below.

Click the edit button in the upper right corner, and a red delete button will appear, as shown in the picture on the right above. Now you can make some space.

Photos & Camera

This list shows how much space the Camera Roll, Photo Library, and Photo Stream take up, but cannot be deleted individually. The fastest way to delete photos is to connect to iTunes, import the photos, and then delete them.

Apps

In the usage list, there is a long list of applications. View the details of these applications and you will find a button to delete the application. Delete apps that you rarely use or no longer want to use.

Delete other items

In fact, not all options appear in the usage list.

Do you know what the colorful graphics about the iPhone shown on iTunes mean?

Generally, the category that takes up the most space here is "Other", so, this What exactly is it? In fact, it contains cache, backup, some downloaded files and some data from iOS 7 built-in applications, such as text messages and emails. So how to clean this part of the content?

Delete the web browser cache. The phone stores the web page into memory so that it can be accessed faster the next time. If your iPhone has been out of date for a while, these caches will accumulate and take up a lot of space. You need to open Settings, click the Safari button, and click Clear History and Clear Cookies and Data.

Delete text messages. You can delete individual text messages or delete entire conversations. Usually some text messages will contain some pictures, audio or video files, and some space will be reclaimed after deletion.

Delete email attachments. Usually downloading email files takes up a lot of space. The way to solve this problem is to delete the email account. The specific operation is: Settings > Mail, Contacts, Calendars > iCloud, then scroll down to the end and click Delete Account . Of course, one thing to note is that before deleting, you have to make sure you remember the email account password because you have to add it back again.

During this process, all attachment files and message caches that you have downloaded and opened will be cleared. When you re-add the account, the files will still be available for download when you need them. (This method works for most account types, except POP3 accounts).

Delete voice memos, music files and e-books. Audio files and e-books also take up a lot of space. You also consider deleting these files, respectively in Voice Memos, iBook, and Music app.