2/1/21
FT-891 Firmware Update Information
The latest versions are listed below with the release dates.
MAIN Firmware Version 01-09 (2/01/21)
DSP Firmware Version 02-04 (2/01/21)
Panel Firmware Version 01-01 (9/06/17)
*If you already have the above listed firmware versions, it is not necessary to update the FT-891
again.
There are three different firmware installations. Each one must be followed carefully. Installing the
wrong type firmware may cause difficulties. Check your radio before installing firmware to be sure
which updates are needed. Please read the FT-891 Firmware Upgrade Manual before
proceeding.
Before installing new firmware, please verify your current version firmware with the following
procedure:
(This image & version is for illustration only)
Download the FT-891 data and [FT-891_Firmware_Update_2021_02.zip] from the following
website:
https://www.yaesu.com/indexVS.cfm?cmd=DisplayProducts&ProdCatID=102&encProdID=DF4DB2
62968932E999EAF928B5B6A1A7&DivisionID=65&isArchived=0The zip file contains all of the current software versions. Please verify which version software is
already on your radio before updating. If you have each of the listed versions, you do not need to
update the radio again.
Please read the FT-891 Firmware Upgrade Manual before proceeding!
Implements improvements
MAIN Firmware Version 01-09 (2/01/21)
DSP Firmware Version 02-04 (2/01/21)
1. Fixed a bug that the S meter may not indicate to the received signal level.
2. Improved and optimized additional functions.
We hope this new firmware will increase your enjoyment of your FT-891. Thank you for
choosing Yaesu radios. If you have any problems or questions, please contact Yaesu Amateur
Tech Support amateurtech@yaesu.com.
Best regards,
Yaesu USA | 6125 Phyllis Drive | Cypress, CA 90630 | 714.827-7600 | FAX: 714.827-8100
http://www.yaesu.com
