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BlueNRG-MS and firmware v7.1

Question asked by palmer.charles on Apr 20, 2015
Latest reply on Oct 22, 2015 by Marchese.Graziella
The BlueNRG DK 1.7.0 includes firmware images (V7.1) and API documentation for "BlueNRG-MS devices.

Can you please explain the differences between BlueNRG and BlueNRG-MS? Other than support for Bluetooth 4.1 in BlueNRG-MS, it is difficult to see any significant differences. Are these the same hardware with different firmware, or different hardware?

Can the firmware in a BlueNRG chip be upgraded from v6.4 to v7.1? Are there advantages in doing so (for example, bug fixes in the later firmware).