Use your finger to swipe up on the apps to close them. The smartphone is powered by the latest Qualcomm Snapdragon 855 Plus processor which is further coupled with 8 GB of RAM. The OnePlus 9 Pro spoils gamers with two separate modes.How to fix sudden app crashes on OnePlus Nord? First, go to Settings > Apps and search for the app, which is causing a – Install and uninstall apps on your OnePlus smartphone.3) Quit using Facebook to log into third party apps.Would you be able to do the following: In your device, go to Settings menu > Battery > top right 3 dot icon > Battery optimization So its pretty much down to the apps, i believe all the cloud apps should be able to do it in the background. Other background processes include software update services and network discovery services. The default setting for each app is “On,” allowing each app to run in the background if it likes. In order to close down these background apps and games, you will need to hover over the app or game in the window on your home screen and hit the Menu button (the one with the three lines) on your controller.