B1 File Manager is an Android app developed by B1 Group Software (611 Fook Cheong Building, 63 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong).

B1 File Manager first became available on 14 Feb 2014. It is estimated that B1 File Manager has been downloaded between 1000000 and 5000000 times from the Play Store.

B1 File Manager 1.0.088 requires the following permissions:

Allows an app to access approximate location. Alternatively, you might want ACCESS_FINE_LOCATION.

Allows an app to access precise location. Alternatively, you might want ACCESS_COARSE_LOCATION.

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows an application to collect battery statistics

Allows applications to connect to paired bluetooth devices.

Allows applications to discover and pair bluetooth devices.

Allows applications to change network connectivity state.

Allows applications to change Wi-Fi connectivity state.

Allows access to the list of accounts in the Accounts Service.

Allows an application to install a shortcut in Launcher.

Allows applications to open network sockets.

Allows an application to modify global audio settings.

Allows applications to perform I/O operations over NFC.

Allows an application to read from external storage.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows applications to set the wallpaper.

Allows an app to create windows using the type TYPE_SYSTEM_ALERT, shown on top of all other apps. Very few apps should use this permission; these windows are intended for system-level interaction with the user.

This permission is no longer supported.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.

Allows an application to read or write the system settings.