Elecraft K3S
firmware v2.37
Elecraft · Released Sep 2, 2008 · First seen Sep 14, 2026
Source:
elecraft.com
v2.37 is not the latest firmware for the Elecraft K3S: the current version is v5.67 (January 22, 2019). Go to v5.67
In short — summary by updatemystuff.com
Suppresses spurious error messages during firmware upgrades, especially for older versions
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 2.37 / DSP 1.90
- FIRMWARE UPGRADE PROCESS IMPROVEMENT: When upgrading firmware, MCU and DSP code versions may temporarily become incompatible, resulting in error messages during loads. These spurious errors are now suppressed, resulting in a cleaner upgrade process, especially when upgrading from much older revisions.
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