X-plore is a file manager for mobile phones, with a wide range of functions on the phone's file system.
NOTE: the free version has a 3sec wait screen at start and closing the app. So it is technically not 100% free but slightly 'nagware'-like.
View all drives / folders / files on phone in tree view *1
Integrated text and image viewer
View file details
Edit file attributes (hidden, read-only, etc)
Rename and delete files
Create or edit text files
Copy or move files and folders
Send files via Bluetooth or infrared
Extract files from Zip, Rar, Jar archives
Pack files to Zip archive
View Word documents
Hardware device info
View processes and tasks *2
Built-in program updater
Viewing, saving files in messaging folders *3
Hex viewer and editor
Simple audio player
Simple video player *3
X-plore is file manager developed for smartphone pocket PC - Symbian, Android and Windows mobile software compatible operating systems.
*1 Protected folders on Symbian 9.x are not accessible
*2 Available only on Symbian 7/8
*3 Available only on Symbian