ET40/ET45 apps use two kinds of memory: storage and RAM. Apps use storage memory for themselves and any files, settings, and other data they use. They also use RAM when they are running.
Go to
Settings
.
On Android 11, touch
Apps & notifications
.
On Android 13, touch
Apps
.
Touch >
Show system
to include system processes in the list.
Touch an app, process, or service in the list to open a screen with details about it and, depending on the item, to change its settings, permissions, and notifications and to force stop or uninstall it.
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