Huawei P8 - Why Are some Apps Closed after the Screen Goes to Sleep

Mobile banking apps may require your phone to run a specific version of Android. Please
refer to the documentation for the app or contact your bank's customer service for more
details.
Go to the Settings screen then touch About phone to view which version of Android your
phone is running.
16.3.10 Why are some apps closed after the screen goes to sleep?
Go to the Settings screen, then touch Power saving > Settings > History of power-intensive
apps. Select the apps you want to keep open.
16.3.11 How do I set the push notifications of the apps?
On the Settings screen, touch Notification manager. Touch Allow or restrict.
16.3.12 How do I prevent power-intensive applications from
running in the background?
Go to Power saving > Settings > History of power-intensive apps and deselect the
corresponding apps.
16.3.13 How do I delete the application installation package on
my phone?
Go to Phone Manager and touch Phone accelerator > Storage Cleaner > App package
cleaner.
16.3.14 How do I prohibit certain apps from reading personal data
in my phone?
On Phone Manager screen, touch Permission manager. Prohibit the corresponding apps from
reading your personal data according to the onscreen instructions.
16.3.15 Can I uninstall Phone Manager?
There are a lot of threats to your phones at any time, for example, hackers, viruses, and
malicious fee deduction apps. Huawei Phone Manager is completely integrated with the
EMUI system and defends insecure code from the bottom layer. It can perfectly protect your
phone. Therefore, you are not suggested to uninstall it.
16.3.16 What can I do if my phone prompts to forbid the
installation of an application when I am installing it?
Go to Settings, touch Security, and select Unknown sources.
16.3.17 How do I restore the deleted Weather app?
Press and hold the blank area on the home screen and touch Widgets. Drag the Weather app
to the screen.