Use APKPure App
Get Assistant for Android old version APK for Android
Phone clear and manage android device
Key features:
CPU, memory, battery, storage space monitoring.
Clear image, clear video, clear big file, clear cache, chear junk.
Batch install and batch uninstall apps.
Backup & restore.
File manager.
System info.
Battery usage.
Accessibility features are only used when clearing caches and closing processes, please feel free to use them.