To complete installations or their processes in the background, we can restart the Huawei smartphone, which can also speed up a slowed down operating system by clearing the cache and closing apps or applications.

Android 10 | EMUI 10.0
Step 1:  Tap and hold the  power button
Step 2:  Tap on  Restart
Step 3:  Confirm with  Touch to restart
  1. Tap and hold the power button
  2. Tap on Restart
  3. Confirm with Touch to restart

Huawei Instructions