Elecraft K3S firmware v5.50

Elecraft · Released May 17, 2016 · First seen Sep 14, 2026

Source: elecraft.com

v5.50 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

Fixed K-Pod parity errors occurring when using K-Pod knob simultaneously with P3 and external polling.

  • K-Pod parity error fix when knob used with P3 and external polling

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

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What's in this update

MCU 5.50 / DSP 2.87

  • K-POD BUG FIX: El​iminated "ERR KP1" messages (K-Pod parity errors) that were occurring when the K-Pod knob was spun at the same time the P3 w​as used, along with heavy external polling from HRD, etc.

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Other versions for this product

See the full firmware history for the K3S