Yaesu FTDX101D firmware v1.28

Yaesu · Released Apr 9, 2021 · First seen Sep 6, 2026

Source: yaesu.com

v1.28 is the latest firmware for the Yaesu FTDX101D, released April 9, 2021.

In short — summary by updatemystuff.com

FUNC key now works during transmission; fixed Tune setting issue with external antenna tuner.

  • FUNC key enabled to function during transmission
  • Fixed Tune setting unintentionally resetting to OFF with FC-40 antenna tuner during Band Stack Operation
  • Updated MAIN and SDR firmware components

Written from Yaesu's release notes, which are printed in full below.

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What's in this update

FTDX101MP/D Firmware Update Information Download the FTDX101MP/D [FTDX101_Firmware_Update_202511.zip] from the following website: https://www.yaesu.com/?cmd=DisplayProducts&DivisionID=65&ProdCatID=102 FTDX101_Firmware_update_202511.zip Contains:

  • MAIN: V01-28 /FTDX101_M​AIN_V0128. SFL 11/17/25 New
  • DISPLAY: V01-51 /FTDX101_DISPLAY_V0151. SFL 8/1/23
  • DSP: V01-20 /FTDX101_IFDSP_V0120. SFL 8/1/23
  • SDR: V02-08 /FTDX101_SDR_V0208. SFL 11/17/25 New
  • AF DSP: V01-00 /FTDX101_AFDSP_V0100. SFL 4/7/21
  • Firmware_Ver_Up_Manual_ENG_FTDX101MP_D_2104-D Implements

improvements

  • Fixed an issue where the Tune setting would sometimes be set to OFF when using the external Antenna Tuner FC-40 during Band Stack Operation.
  • Enabled the FUNC key to function during transmission.

SD Card Preparation Refer to FTDX101MP/D Operation Manual (2109E-LS-1) Page 80 [Formatting a SD card].

If you already have the above firmware versions, it is no​t necessary to update the FTDX101MP/D again.

We hope this new Firmware will increase your enjoyment of your FTDX101MP/D.

Thank you for choosing Yaesu radios.

If you have any problems or questions, please contact Yaesu Amateur Tech Support [email protected].

Yaesu USA | 6125 Phyllis Drive | Cypress, CA 90630 | 714.827-7600 | FAX: 714.827-8100 http://www.yaesu.com

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