Iphone7plus can sometimes be unsmooth when switching backgrounds. Is it related to the system?

The current version of 10.3.3 is a very stable version. You can upgrade to this version.

If it is not a version problem, the mobile phone card has the following factors:

1, the battery of the mobile phone is low, and the low battery mode will reduce the cpu performance.

2. There are too many open applications, and all the unused background programs have been killed.

3, the phone is overheated, try not to play with the phone when charging.

Possible causes and solutions of ios system congestion;

1 because Safari has too many caches.

Solution: Frequent use of Safari to browse the web for a long time will produce a large number of cached data, and it is necessary to empty Safari's cache to keep it running smoothly. To clear the Safari cache, users need to go to Settings > Safari, then click Clear History and clear Cookies and data.

2. Automatic update and automatic download lead to

Solution: If the user's iPhone is stuck during use, it may be because the user is trying to apply the upgrade in the background, so it can be operated manually. To change the settings of the automatic upgrade application, users need to go to Settings >; ITunes Store and App Store & gt automatically download items and then close them all.

3. Photos and videos take up a lot of memory.

Solution: The pixel of iPhone is relatively high, and a photo may be 1-2M. Deleting unnecessary pictures is one of the main ways to speed up the operation of mobile phone. Users can back up photos and videos to their computers or iCloud, and then delete them from their phones.

4. A large number of applications occupy memory.

Solution: The more iPhone applications, the slower they run. Users can set >: General > to check the space occupation of each application in usage, and then delete those applications that occupy a large space but are unnecessary. There are a large number of "zombie" applications on mobile phones, which will only slow down the running speed of mobile phones.

5. SMS session takes up memory.

Solution: A large number of text messages are also one of the reasons for the slow speed of mobile phones. Sometimes there are too many short messages, and it takes a while to enter the information application. Users can try to delete those meaningless spam messages in their mobile phones.

6. Automatic mode occupies system memory.

Solution: iPhone will slow down when doing any automatic operation, such as searching for nearby WiFi or upgrading applications. Users can enter Settings >; Wireless LAN > asks if you want to join the network, and then turns it off.

Note: users must carefully consider the messages, photos and files to be deleted before deleting them, so as to avoid unnecessary troubles and losses.