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Firmware

Microchip specializes in fully-certified, highly-integrated wireless modules that are designed for rapid development. Microchip's module solutions come pre-loaded with firmware for ease of use. The list below shows the latest Wi-Fi, Bluetooth, and LoRa firmware versions for each module. Click on the Ordering Part Number to order the part number loaded with the latest firmware from Microchip Direct.
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AT Wi-Fi

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
ATWINC1500
19.5.2ATWINC15x0-MR210xB19523/13/2017Latest ProductionData Sheet
ATSAMW25
19.5.2ATSAMW25H18-MR210PB19523/13/2017Latest ProductionData Sheet

RN Wi-Fi

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN1810
1.10RN1810-I/RM1108/05/2016Latest ProductionRelease Notes
RN1723
1.00RN1723-I/RM1006/15/2015Latest ProductionData Sheet
RN171
4.81RN171-I/RM4818/01/2016Latest ProductionRelease Notes
RN131
4.81RN131C/RM4818/01/2016Latest ProductionRelease Notes
4.81RN131G-I/RM4818/01/2016Latest ProductionRelease Notes
Legacy Firmware
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RN Wi-Fi - Legacy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN1810
RN1810 1.00RN1810-I/RM10002/25/2016AvailableRelease Notes
RN171
RN171 4.75RN171-I/RM47510/10/2015AvailableRelease Notes
RN171 4.41RN171-I/RM44110/30/2013Available 
RN171 4.00RN171-I/RM40003/12/2013Available 

MRF Wi-Fi

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
310CMRF24WG0MA-I/RM10C
MRF24WG0MB-I/RM10C
3/15/2014Latest ProductionRelease Notes

Bluetooth Low Energy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN4020
1.23RN4020-V/RM1239/1/2015Latest ProductionRelease Notes
RN4870
1.18RN4870-V/RM1186/22/2016Latest ProductionRelease Notes
RN4871
1.18RN4871-V/RM1186/22/2016Latest ProductionRelease Notes
Legacy Firmware
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Bluetooth Low Energy - Legacy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN4020
RN4020 1.10RN4020-V/RM01/01/2017AvailableUser Guide

Bluetooth Dual Mode

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN4678
1.11RN4678-V/RM11109/22/2017Latest ProductionRelease Notes
RN4677
1.12RN4677-V/RM11207/11/2017Latest ProductionRelease Notes
Legacy Firmware
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Bluetooth Dual Mode - Legacy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
RN4677
1.00RN4677-I/RM1005/15/2015AvailableUser Guide

Bluetooth Classic

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
6.30RN41-I/RM63006/01/2016Latest ProductionRelease Notes
6.30RN42-I/RM63006/01/2016Latest ProductionRelease Notes
Legacy Firmware
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Bluetooth Classic - Legacy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
6.15RN41-I/RM06/01/2016AvailableRelease Notes
6.15RN41N-I/RM06/01/2016AvailableRelease Notes
6.15RN42-I/RM06/01/2016AvailableRelease Notes
6.15RN42N-I/RM06/01/2016AvailableRelease Notes
6.15RN42HID-I/RM06/01/2016AvailableRelease Notes
6.15RN42NHID-I/RM06/01/2016AvailableRelease Notes
N/ARN41HCI-I/RM5/1/2013AvailableHCI over UART
N/ARN42HCI-I/RM5/1/2013AvailableHCI over UART
N/ARN42NHCI-I/RM5/1/2013AvailableHCI over UART
N/ARN41U-I/RM5/1/2013AvailableHCI over USB
N/ARN42U-I/RM5/1/2013AvailableHCI over USB
N/ARN42NU-I/RM5/1/2013AvailableHCI over USB

Bluetooth Classic - iAP

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
5.50RN41APL-I/RM55006/01/2016Latest ProductionRelease Notes
5.50RN42APL-I/RM55006/01/2016Latest ProductionRelease Notes
5.45RN41APL-IRM06/01/2016Latest ProductionRelease Notes
5.45RN41NAPL-I/RM06/01/2016Latest ProductionRelease Notes
5.45RN42APL-I/RM06/01/2016Latest ProductionRelease Notes
5.45RN42NAPL-I/RM06/01/2016Latest ProductionRelease Notes

Bluetooth Audio

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
1.16RN52-I/RM1168/29/2014Latest ProductionRelease Notes
Legacy Firmware
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Bluetooth Audio - Legacy

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
1.10RN52-I/RM04/01/2013AvailableUser Guide

LoRa® Technology

Firmware VersionOrdering Part NumberRelease DateStatusFirmware Information
1.0.3RN2483A-I/RM1035/19/2017Latest ProductionUser Guide
1.0.3RN2903A-I/RM1039/26/2017Latest ProductionUser Guide