Xiaomi 1 1 regular card. What happened?

If the phone suddenly crashes, I suggest you:

1. When using a software, it crashes. Wait a while. The xxx program is not responding. Do you want to close it? " Click Close to reopen the software.

2. If the phone is stuck for a long time and there is no response, you can try to click the HOME button to see if you can return to the desktop, or click the task button to bring up the task management to close the stuck program and reopen it;

3. If the mobile phone doesn't respond, press and hold the power button 10 for more than 0 seconds to restart. For products with detachable batteries, you can unplug the batteries and restart them;

4. Determine whether the mobile phone is Root. Obtaining the highest authority of the system after Root may lead to system instability;

5. Try to back up the data before returning to the factory.