The firmware is the internal software of the a-pipes.

To know the current version, just connect it to the remote software.

To update the firmware, the instrument must be returned.

Major changes between versions:

V1.3 New sound at 44100Hz.

V1.4 Fixed random start.

V1.7 Bluetooth autostart; adjustable drone volume.

V2.3 Radio (a-box).

V2.11 Removal of the battery alarm (useless, false and untimely).

V2.12 Adjustable pitch.

V2.14 No more self-calibration after the 5th holes covering (to prevent the instrument from jamming when handled), optional Vibrato.

V2.15 Permanent accidentals for C and F (equivalent of hole taping).

V2.17 GHB default setting at 448Hz, LowA played on key change instead of E.

V2.18 EEPROM reset possible from the remote software + EEPROM display at boot.

V2.20 Clean cut off possible.

V2.21 Reliability of radio exchanges.

V2.22 Removal of instabilities on HighG found on some instruments.

V2.23 Softening the transition between notes: the new note increases in volume procedurally during the first millisecond.
Impactful magic fingerings are now only accessible in protected mode (accessible itself via a new magic fingering).
Improved hole sensitivity.