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Common Questions

I do not know my hardware revision. What should I do?​

Check the PCB silkscreen or product page first. If you are still unsure, do not flash yet to avoid using the wrong firmware. See Identify Your Keyboard & PCB.

Keys behave incorrectly after flashing. What should I check?​

Confirm you downloaded firmware for the correct model, revision, and layout (especially standard vs. Ortho).

My keyboard supports Bluefruit and DuoChord. Which should I pick?​

  • If the module currently runs legacy BLE firmware (Bluefruit): pick the legacy BLE firmware; to move to DuoChord, follow the fixed first migration sequence.
  • If the module already runs DuoChord: pick the DuoChord firmware.
  • If you cannot confirm the current state, stay on the Bluefruit path and do not guess.

What is the difference between Command65 and Command65 PE?​

  • Command65: Bluefruit / DuoChord (BLE only).
  • Command65 PE: ATmega32U4 + CH592, USB / 2.4G / BLE.
  • Their firmware cannot be mixed.

What is the difference between Skog Reboot rev A and rev B?​

  • rev A: AT90USB646.
  • rev B: AT90USB1286.
  • MCU, RGB driver, and firmware differ; do not mix.

What is the difference between legacy Manta AVR PCBs and Manta40 rev2?​

  • Legacy AVR PCBs (40s Hotswap / Solderable / Ortho): ATmega32U4 + Bluefruit/DuoChord.
  • Manta40 rev2 / rev2 Ortho: STM32L412 + CH592 (Trichord).
  • Their firmware cannot be mixed.

Trichord behavior is not what I expected. What now?​

Read Trichord Basic Operations and Trichord Device Differences first, then verify your model's default behavior.

My keyboard uses Trichord. I plugged in a USB cable, but VIA or Vial cannot detect it.​

Use the command combo Left Shift + Right Shift + U to switch the keyboard to USB mode, then reconnect the USB cable and configure it in VIA or Vial.

A wireless device cannot be found. What should I do?​

  1. Press the target channel key (2.4G or BLE1–BLE5).
  2. If discovery fails, press PAR to force pairing.
  3. If it still fails, run CLR (double-press confirm) and pair again.