Datasheet

General

Purpose

The following general purpose commands are available on all Bluefruit LE modules:

AT+FACTORYRESET

Clears any user config data from non-volatile memory and performs a factory reset before resetting the Bluefruit

module.

Codebase Revision: 0.3.0

Parameters: None

Output: None

AT+FACTORYRESET

AT+DFU

Forces the module into DFU mode, allowing over the air firmware updates using a dedicated DFU app on iOS or

Android.

Codebase Revision: 0.3.0

Parameters: None

Output: None

AT+DFU

AT+HELP

Displays a comma-separated list of all AT parser commands available on the system.

Codebase Version: 0.3.0

Parameters: None

As of version 0.5.0+ of the firmware, you can perform a factory reset by holding the DFU button down for 10s

until the blue CONNECTED LED lights up, and then releasing the button.

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The AT parser will no longer responsd after the AT+DFU command is entered, since normal program

execution effectively halts and a full system reset is performed to start the bootloader code

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