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 2016/06/29 New sound at 44100Hz.

V1.4 2016/07/20 Fixed random start.

V1.7 2016/08/31 Bluetooth autostart; adjustable drone volume.

V2.3 2017/02/14 Radio (a-box).

V2.11 2018/03/22 Removal of the battery alarm (useless, false and untimely).

V2.12 2018/06/13 Adjustable pitch.

V2.14 2018/10/04 No more self-calibration after the 5th holes covering (to prevent the instrument from jamming when handled), optional Vibrato.

V2.15 2018/10/31 Permanent accidentals for C and F (equivalent of hole taping).

V2.17 2019/03/21 GHB default setting at 448Hz, LowA played on key change instead of E.

V2.18 2020/04/06 EEPROM reset possible from the remote software + EEPROM display at boot.

V2.20 2021/04/05 Clean cut off possible.

V2.21 2022/04/08Reliability of radio exchanges.

V2.22 2024/12/18 Removal of instabilities on HighG found on some instruments.

V2.24 2025/11/10 Softening the transition between notes: each new note increases in volume procedurally during the first milliseconds.
Impactful magic fingerings are now only accessible in protected mode, accessible itself via a new magic fingering.
Dramaticaly improved hole sensitivity and reliability.