Firmware
Select the device model. The available firmware files will appear after selection
Check the model, revision, and firmware type before downloading
RMK — current wireless devices
K:04
How to update the firmware — K:04
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — current wireless devices
K:04 Mini
How to update the firmware — K:04 Mini
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — current wireless devices
K:04 Micro
How to update the firmware — K:04 Micro
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — current wireless devices
Trackball Mini v3.1
How to update the firmware — Trackball Mini v3.1
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
RMK — current wireless devices
Trackball Royale
How to update the firmware — Trackball Royale
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
RMK — previous devices
K:03 V4 - Wireless Edition
How to update the firmware — K:03 V4 - Wireless Edition
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — previous devices
Imperial44 v4 - Wireless Edition
How to update the firmware — Imperial44 v4 - Wireless Edition
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — previous devices
OP36
How to update the firmware — OP36
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — previous devices
Velvet v3 - Wireless Edition
How to update the firmware — Velvet v3 - Wireless Edition
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — previous devices
Velvet v3 UI
How to update the firmware — Velvet v3 UI
- Save the current layout in Entropy if needed
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the back of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - Import the saved layout after the update
RMK — previous devices
Trackball Mini v3.0
How to update the firmware — Trackball Mini v3.0
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — current wired devices
Phenom
How to update the firmware — Phenom
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
Phenom Mini
How to update the firmware — Phenom Mini
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
Phenom Micro
How to update the firmware — Phenom Micro
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
M4CR0Pad v3
How to update the firmware — M4CR0Pad v3
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — current wired devices
SM30
How to update the firmware — SM30
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — current wired devices
K:03 v3/v4
How to update the firmware — K:03 v3/v4
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
Imperial44 v3/v4
How to update the firmware — Imperial44 v3/v4
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
Planeta v2
How to update the firmware — Planeta v2
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — current wired devices
Velvet v3
How to update the firmware — Velvet v3
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
Trackball v2
How to update the firmware — Trackball v2
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — current wired devices
K:03 PRO v2/v3
How to update the firmware — K:03 PRO v2/v3
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
HPD v2 (no modules)
How to update the firmware — HPD v2 (no modules)
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
HPD v2 (encoder/trackball)
How to update the firmware — HPD v2 (encoder/trackball)
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
HPD v2 (encoder/touch)
How to update the firmware — HPD v2 (encoder/touch)
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — current wired devices
HPD v2 (encoder/joystick)
How to update the firmware — HPD v2 (encoder/joystick)
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — previous devices and revisions
HPD v1
How to update the firmware — HPD v1
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
K:03 v1
How to update the firmware — K:03 v1
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
K:03 v2
How to update the firmware — K:03 v2
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — previous devices and revisions
Imperial44 v1
How to update the firmware — Imperial44 v1
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Imperial44 v2
How to update the firmware — Imperial44 v2
- Save the current layout in Entropy if needed
- Download the firmware file
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Repeat the same steps for the other half
- Import the saved layout after the update
QMK — previous devices and revisions
K:02
How to update the firmware — K:02
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Planeta v1
How to update the firmware — Planeta v1
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
M4CR0Pad v1
How to update the firmware — M4CR0Pad v1
- Save the current layout in Entropy if needed
- Download the firmware file
- Hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
M4CR0Pad v2
How to update the firmware — M4CR0Pad v2
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Remnant
How to update the firmware — Remnant
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Velvet v1
How to update the firmware — Velvet v1
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Velvet v2
How to update the firmware — Velvet v2
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
Trackball v1
How to update the firmware — Trackball v1
- Save the current layout in Entropy if needed
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
K:03 PRO v1 43 mm
How to update the firmware — K:03 PRO v1 43 mm
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
QMK — previous devices and revisions
K:03 PRO v1 65 mm
How to update the firmware — K:03 PRO v1 65 mm
- Save the current layout in Entropy if needed
- Download the firmware file
- For the left half, hold down the top-left key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- For the right half, hold down the top-right key and connect the device via USB-C
- Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
- Import the saved layout after the update
ZMK — previous wireless devices
K:03 V4 - Wireless Edition
How to update the firmware — K:03 V4 - Wireless Edition
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the bottom of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - After the update, press
Reseton both halves simultaneously to reconnect them
ZMK — previous wireless devices
K:03 V4 - Wireless Edition + Qube
How to update the firmware — K:03 V4 - Wireless Edition + Qube
- Download the firmware files for Qube and the left and right halves
- Connect Qube via USB-C, quickly double-press
Reseton the bottom of the case, and copy thequbefile to the drive that appears - Repeat these steps for the left and right halves using the
leftandrightfiles respectively - After the update, connect Qube via USB-C. Then turn on the left half — it should appear on Qube along with its battery level. Finally, turn on the right half
ZMK — previous wireless devices
Imperial44 v4 - Wireless Edition
How to update the firmware — Imperial44 v4 - Wireless Edition
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the bottom of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - After the update, press
Reseton both halves simultaneously to reconnect them
ZMK — previous wireless devices
Imperial44 v4 - Wireless Edition + Qube
How to update the firmware — Imperial44 v4 - Wireless Edition + Qube
- Download the firmware files for Qube and the left and right halves
- Connect Qube via USB-C, quickly double-press
Reseton the bottom of the case, and copy thequbefile to the drive that appears - Repeat these steps for the left and right halves using the
leftandrightfiles respectively - After the update, connect Qube via USB-C. Then turn on the left half — it should appear on Qube along with its battery level. Finally, turn on the right half
ZMK — previous wireless devices
OP36
How to update the firmware — OP36
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the bottom of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - After the update, press
Reseton both halves simultaneously to reconnect them
ZMK — previous wireless devices
OP36 + Qube
How to update the firmware — OP36 + Qube
- Download the firmware files for Qube and the left and right halves
- Connect Qube via USB-C, quickly double-press
Reseton the bottom of the case, and copy thequbefile to the drive that appears - Repeat these steps for the left and right halves using the
leftandrightfiles respectively - After the update, connect Qube via USB-C. Then turn on the left half — it should appear on Qube along with its battery level. Finally, turn on the right half
ZMK — previous wireless devices
Velvet v3 - Wireless Edition
How to update the firmware — Velvet v3 - Wireless Edition
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the bottom of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - After the update, press
Reseton both halves simultaneously to reconnect them
ZMK — previous wireless devices
Velvet v3 - Wireless Edition + Qube
How to update the firmware — Velvet v3 - Wireless Edition + Qube
- Download the firmware files for Qube and the left and right halves
- Connect Qube via USB-C, quickly double-press
Reseton the bottom of the case, and copy thequbefile to the drive that appears - Repeat these steps for the left and right halves using the
leftandrightfiles respectively - After the update, connect Qube via USB-C. Then turn on the left half — it should appear on Qube along with its battery level. Finally, turn on the right half
ZMK — previous wireless devices
Velvet v3 UI
How to update the firmware — Velvet v3 UI
- Download the firmware files for the left and right halves
- Connect the left half via USB-C, quickly double-press
Reseton the bottom of the case, and copy theleftfile to the drive that appears - Repeat these steps for the right half using the
rightfile - After the update, press
Reseton both halves simultaneously to reconnect them
ZMK — previous wireless devices
Velvet v3 UI + Qube
How to update the firmware — Velvet v3 UI + Qube
- Download the firmware files for Qube and the left and right halves
- Connect Qube via USB-C, quickly double-press
Reseton the bottom of the case, and copy thequbefile to the drive that appears - Repeat these steps for the left and right halves using the
leftandrightfiles respectively - After the update, connect Qube via USB-C. Then turn on the left half — it should appear on Qube along with its battery level. Finally, turn on the right half
ZMK — previous wireless devices
Trackball Mini v3.0
How to update the firmware — Trackball Mini v3.0
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
ZMK — previous wireless devices
Trackball Mini v3.1
How to update the firmware — Trackball Mini v3.1
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
ZMK — previous wireless devices
Trackball Royale
How to update the firmware — Trackball Royale
- Connect the device via USB-C and quickly double-press
Reseton the bottom of the case - Copy the downloaded UF2 file to the drive that appears — the device will restart after copying
Service firmware
RMK — reset all settings
How to use the reset firmware — RMK — reset all settings
- Connect the device or keyboard half via USB-C and quickly double-press
Reset - Copy the RMK reset file to the drive that appears
- After the device restarts, install the regular firmware for your model; repeat the steps on both halves of a split keyboard
Service firmware
ZMK — reset all settings
How to use the reset firmware — ZMK — reset all settings
- Connect the device or keyboard half via USB-C and quickly double-press
Reset - Copy the ZMK reset file to the drive that appears
- After the device restarts, install the regular firmware for your model; repeat the steps on both halves of a split keyboard