What is the reason why Apple 6s always flashes back?

First, it may be because the phone crashed. You can try to restart your mobile phone.

Second, if the software game continues to flash back, you can choose to uninstall the game at this time and download and install it again.

Third, if the above two solutions fail, we can use some third-party auxiliary tools to repair the iPhone6 flashback. The specific methods and steps are as follows:

1. First connect the computer with the original data cable of iPhone6. Take the PP assistant as an example, open the PP assistant, wait for the successful connection with the iPhone, and click "iPhone" in the left pane;

2. Then in the right pane, click the "Click Repair" function;

3. Then wait for the software to fix the flashback problem of the iPhone, and then you will be prompted to fix the flashback successfully. Click "OK".