Firmware Download

Download the old version

Download Type Firmware
Model name IC-905
Version Version 1.15
Update 2024/03/29
Major changes

Changes from Version 1.14

  • -Added the 5.5 MHz, 7.02 MHz, and 7.2 MHz options to the ATV Audio Sub Carrier Frequency item in the Function set item.

  • -Improved the GPS synchronization of the reference frequency adjustment.

Refer to INFORMATION IC-905 Version 1.15 for details.

Note

The CS-905 programming software used with this firmware can be downloaded here.

  • To update the firmware
  • 1. Download and unzip the firmware data (for example, 905E115.dat) and copy it into the “IC-905” folder that is on your SD card.
  • 2. Insert the SD card with the firmware data into the transceiver. 
  • 3. Update the firmware.
  • 3-1. Display the SD CARD screen in the Menu. 
  • 3-2. Touch “Firmware Update” on the SD CARD screen to open the FIRMWARE UPDATE screen.
  • 3-3. Touch [▼] to scroll to the end of the screen to read all the precautions, after you read and agree with all the precautions, touch [YES]. 
  • 3-4. The confirmation dialog recommends making a backup of the settings and memories, touch [YES]. 
  • We recommend that you make a backup of them in this step, because all the settings and memories may be reset after updating the firmware.
  • 3-5. After the backup file is made, and the firmware selection screen is displayed, touch the firmware update data (for example, 905E115). 
  • 3-6. Please carefully read all the precautions, and when you want to execute it, touch [Yes] for 1 second to start the firmware update.
  • 3-7. When the update is completed, "Firmware updating has completed.” is displayed, and the transceiver will automatically restart.
  • If the setting data needs to be converted, it may take some time to restart. 
  • 4. If the settings and memories have been reset, load the settings and memories that have been backed up onto the SD card.
  • 4-1. Display the SD CARD screen in the Menu.
  • 4-2. Touch “Load Setting” on the SD CARD screen to open the LOAD SETTING screen. 
  • 4-3. Touch the file name of the saved file. 
  • 4-4. Touch “ALL,” and then the dialog “Keep ‘SKIP’ settings in the Repeater List?” is displayed, touch [YES].
  • 4-5. The dialog "Load file? The new “REF Adjust” setting will be saved.” is displayed, touch [Yes].
  • 4-6. After the loading ends, “COMPLETED! Restart the IC-905.” is displayed, restart the transceiver. 

  • After updating the firmware, the Version Information in the OTHERS Set will be as follows.
  • Main CPU: 1.15
  • Main DSP Program: 1.02
  • Main DSP Data: 1.00
  • Main FPGA: 1.01
  • RF CPU: 1.14
  • RF Sub CPU: 1.02
  • RF DSP: 1.02
  • RF FPGA: 1.05
  • RF DV DSP: 1.10
File Size
Manual manual download page
Document

Firmware Update Information