# Firmware Update

For NDS firmware updates, there are two methods: USB memory and CMS remote update.

CMS remote updates are available in NDS version 1.12.21.11.25 and CMS version 2.1.21.11.24 and later.

## [Software / Firmware Download](https://www.emstone.com/en/support/software/)

For software changes, refer to the appropriate product line changes

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