MiixKey NRF Firmware (NRF52840)

NRF Firmware Upgrade Notice
  • This firmware is only for the MiixKey NRF52840 subsystem.
  • Do not install it as MiixKey ESP32-P4 main firmware.
  • Confirm the device model and firmware version before upgrading.
  • Do not disconnect the device or turn off the power during the upgrade.
  • Do not rename or extract the ZIP package after downloading it.

Designed for the MiixKey NRF52840 subsystem, including Bluetooth, NFC, and Chameleon features.

View the MiixKey NRF Firmware Upgrade Guide →

v1.4.2 Latest

Download Firmware

Firmware File: MiixKey_NRF_V1.4.2.zip

Firmware Contents

  • For the MiixKey NRF52840 subsystem.
  • Includes Bluetooth, NFC, and Chameleon features.
Main Firmware Purchase Link