Elecraft K3S firmware v4.14

Elecraft · Released Oct 6, 2010 · First seen Sep 14, 2026

Source: elecraft.com

v4.14 is not the latest firmware for the Elecraft K3S: the current version is v5.67 (January 22, 2019). Go to v5.67

What's in this update

MCU 4.14 / DSP 2.60 / FPF 1.13

  • ​ELIMINATED POWER-UP SELF-TEST ERRORS (ERR BP1, etc.):

On rare occasion, a K3 would display a series of error messages o​n power-up. This has been corrected.

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Other versions for this product

See the full firmware history for the K3S