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Home » Firmware History: SMWB/E01, SMDWB/E01

Firmware History: SMWB/E01, SMDWB/E01

SMWB/E01, SMDWB/E01 Firmware Update v8.14 (SUPER)/v8.08 (FPGA)/v8.03 (BOOT) – 09 September 2026

  • Eliminate vulnerability in Super v8.13 causing Auto-On feature to sometimes not work.

SMWB/E01, SMDWB/E01 Firmware Update v2.16 (SUPER)/v2.04 (BOOT) – 09 September 2026

  • Eliminate vulnerability in Super v2.15 causing Auto-On feature to sometimes not work.

SMWB/E01, SMDWB/E01 Firmware Update v8.13 (SUPER)/v8.08 (FPGA)/v8.03 (BOOT) – 25 June 2026

  • Now, when the power button is pressed and held to turn the transmitter on or off, the countdown timer is replaced by a progress bar. The delay before RF output is enabled has been reduced from 3 seconds to 1.5 seconds.

SMWB/E01, SMDWB/E01 Firmware Update v2.15 (SUPER)/v2.04 (BOOT) – 25 June 2026

  • Now, when the power button is pressed and held to turn the transmitter on or off, the countdown timer is replaced by a progress bar. The delay before RF output is enabled has been reduced from 3 seconds to 1.5 seconds.

SMWB/E01, SMDWB/E01 Firmware Update v8.12 (SUPER)/v8.08 (FPGA)/v8.03 (BOOT) – 03 November 2025

  • Fixed a bug causing an audible “click” at initial audio peaks above the threshold of limiting when gain is set to 30, 33, 35, 36, 38, and above.

SMWB/E01, SMDWB/E01 Firmware Update v8.11 (SUPER)/v8.06 (FPGA)/v8.03 (BOOT) – 26 August 2025

  • Allows transmitting audio while recording.

SMWB/E01, SMDWB/E01 Firmware Update v2.14 (SUPER)/v2.04 (BOOT) – 26 August 2025

  • Allows transmitting audio while recording.

SMWB/E01, SMDWB/E01 Firmware Update v1.60 (SUPER)/v1.05 (BOOT) – 26 August 2025

  • Allows transmitting audio while recording.

SMWB/E01, SMDWB/E01 Firmware Update v8.09 (SUPER)/v8.05 (FPGA)/v8.02 (BOOT) – 15 July 2025

  • Fix bug in the SD card recording function causing saved files to sometimes be twice as long as expected, with no audio in the second half of the file.

SMWB/E01, SMDWB/E01 Firmware Update v1.58 15 July 2025

  • LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.

SMWB/E01, SMDWB/E01 Firmware Update v8.08 (SUPER)/v8.05 (FPGA)/v8.02 (BOOT) – 16 October 2024

  • LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.
  • Improve subsonic high-pass filtering to eliminate faint audio artifacts.

SMWB/E01, SMDWB/E01 Firmware Update v2.12 – 16 October 2024

  • LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.
  • Fixed a bug causing SMWB/E01-961 IR sync operations to send the wrong frequency when tuned above 986.675 MHz.

SMWB/E01, SMDWB/E01 Firmware Update v8.07 (SUPER)/v8.04 (FPGA)/v8.01 (BOOT) – 15 February 2024

  • Improve accuracy of 35 Hz low frequency rolloff setting. No new features.

SMWB/E01, SMDWB/E01 Firmware Update v8.05 (SUPER)/v8.04 (FPGA)/v8.01 (BOOT) – 03 January 2024

  • Incorporates changes to ease the test and manufacturing process. No new features.

SMWB/E01, SMDWB/E01 Firmware Update v8.04 (SUPER)/v8.04 (FPGA)/v8.01 (BOOT) – 13 January 2023

  • Initial release of firmware for new product shipping with 8.xx firmware. It contains no new features. Do not install in units with 1.xx or 2.xx firmware.

SMWB/E01, SMDWB/E01 Firmware Update v2.10 – 21 October 2022

  • Implement changes for ease of manufacturing. No new features.

SMWB/E01, SMDWB/E01 Firmware Update v1.56 – 26 January 2022

  • Eliminate a 2.75 kHz audio tone audible in some units when the Remote Control feature was enabled.
  • Improve reliability of “auto-on” operation.
  • The Clock setup page now shows running seconds and allows the seconds field to be edited.
  • The accuracy of battery telemetry reporting has been improved. Transmitters that have already been calibrated at the factory will remain correctly calibrated when taking this update.
  • The LCD backlight “off” setting now operates correctly after a power cycle.
  • Fix bug causing user interface to freeze when viewing the details of a take.
  • Added automatic SD card filesystem consistency check.

SMWB/E01, SMDWB/E01 Firmware Update v2.09 – 27 December 2021

  • Eliminate a 2.75 kHz audio tone audible in some units when the Remote Control feature was enabled.
  • Improved reliability of “auto on” operation.
  • Menu cursor is now reset to the first item when default settings are restored.

SMWB/E01, SMDWB/E01 Firmware Update v2.08 – 30 August 2021

  • The Clock setup page now shows running seconds and allows the seconds field to be edited.
  • The accuracy of battery telemetry reporting has been improved. Transmitters that have already been calibrated at the factory will remain correctly calibrated when taking this update.
  • The LCD backlight “off” setting now operates correctly after a power cycle.
  • The Defaults menu command now clears the Block 606 legacy mode if it had been selected.

SMWB/E01, SMDWB/E01 Firmware Update v2.06 – 17 January 2020

  • Fix bug causing user interface to freeze when viewing the details of a take.
  • Added automatic SD card filesystem consistency check.

SMWB/E01, SMDWB/E01 Firmware Update v2.04 – 31 October 2019

  • Long recordings are now split into 4 GB segments to increase maximum recording time.

SMWB/E01, SMDWB/E01 Firmware Update v1.53 – 31 October 2019

  • Long recordings are now split into 4 GB segments to increase maximum recording time.

SMWB/E01, SMDWB/E01 Firmware Update v2.03 – 28 August 2019

  • Released for SMWB/E01 with serial number 301 and higher, and SMDWB/E01 with serial number 401 and higher only.
  • Fixed problem sometimes resulting in the message “NO RESPONSE FROM CARD” was displayed at the end of a recording. (The recording was intact but it was necessary to turn the transmitter off and on again before using the card again.)

SMWB/E01, SMDWB/E01 Firmware Update v1.52 – 28 August 2019

  • Fixed problem sometimes resulting in the message “NO RESPONSE FROM CARD” was displayed at the end of a recording. (The recording was intact but it was necessary to turn the transmitter off and on again before using the card again.)

SMWB/E01, SMDWB/E01 Firmware Update v2.02 – 27 August 2019

  • Released for SMWB/E01 with serial number 301 and higher, and SMDWB/E01 with serial number 401 and higher only.
  • Transmitter now handles failed IR sync operations more gracefully.
  • The “slow card” warning page has been made more informative and less alarming. The “REC” icon continues to blink as the verbiage “Warning: slow card” is displayed. The BACK button is soft-labeled OK” to confirm.

SMWB/E01, SMDWB/E01 Firmware Update v1.51 – 27 August 2019

  • Corrected absolute audio polarity.
  • Transmitter now handles failed IR sync operations more gracefully.
  • The “slow card” warning page has been made more informative and less alarming. The “REC” icon continues to blink as the verbiage “Warning: slow card” is displayed. The BACK button is soft-labeled “OK” to confirm.

SMWB/E01, SMDWB/E01 Firmware Update v2.01 – 01 April 2019

  • Released for SMWB/E01 with serial number 301 and higher, and SMDWB/E01 with serial number 401 and higher only.
  • Corrected absolute audio polarity.

SMWB/E01, SMDWB/E01 Firmware Update v1.50 – 20 December 2018

  • Increased maximum length of recording segment to 4 GB.
  • Added iXML header support (including scene and take numbers).
  • Added a new file naming template and improved existing templates.
  • Enhanced file browsing and recovery capabilities to be able to work with files from other Lectrosonics recording products.
  • Made file system more robust in the event that a computer operating system adds housekeeping files while copying recordings from the card.
  • Improved (faster) display performance.

SMWB/E01, SMDWB/E01 Firmware Update v1.07 – 06 August 2018

  • Added safeguards to prevent loss of stored settings.
  • Audio LEDs now turn off at the end of the powerdown sequence.
  • Recordings no longer have a small click sound at the beginning.

SMWB/E01, SMDWB/E01 Firmware Update v1.06 – 20 March 2018

  • Fixed problem where a “sleeping” transmitter could not always be awakened.
  • Do not “resurrect” deleted volume labels on SD cards.

SMWB/E01, SMDWB/E01 Firmware Update v1.05 – 04 December 2017

  • Corrected pilot tone frequencies for frequency block 606 legacy feature.

SMWB/E01, SMDWB/E01 Firmware Update v1.04 – 11 October 2017

  • Initial public release.