If you exit the flashback application from the background, you still can't solve this problem. You can try to turn on background management again and close all background applications.

Too many daemons run out of memory:

Flashback occurs when too many daemons run out of memory. Double-click the Home button to open the background and close all applications, and then see if it will flash back. It is very rare to quit because of insufficient memory.

Some jailbreak users may encounter application flashback:

Especially beautifying and changing fonts, the font library you replaced is incomplete, and the application of the system can't open the application according to your font. At this time, I will recall that it is inevitable to suggest users to change compatible fonts or change back to the original fonts.

Extended data:

Solution:

Upgrade the iPhone system to the latest iOS update system. The specific operation process is as follows:

1. Take Apple 6 as an example, unlock the phone screen, find the "Settings" option in the standby interface, and click to enter the next step.

2. Enter the settings page, slide the screen down to find the "General" option, and click Open to enter.

3. In the common interface, find the "Software Update" option, open this option and go to the next step.

4. In the software update interface, find the "download and install" option, and click to enter the next step.

5. In this interface, click the "Agree" option in the lower right corner to enter the next operation.

6. In this interface, after the system download is completed, the Apple mobile phone will be restarted and upgraded to the latest system.