Manage file, speed test master

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V1.7
- Test device & display infor
- Delete file & recover deleted file on Trash
- Download manager
- Delete large file
V1.5-1.6
- App manager
- File manager: photo, music, video, audio, document and other
V1.3
- Signal strength meter by dBm unit
- Memory cleaner (Clear cache, Free up Ram, Clean up storage space)
- Clean junk file & Cookie
- Phone Cooler
- Wifi hotspot and WiFi scanner
V1.0-1.2
- Internet speed test for WiFi, 5G, 4G, 3G
- Download/upload speed test
- Ping test