Unfortunately, I couldn't find an official free download link for the Motorola SRA tool. The tool is typically only available through Motorola's internal support channels or through their authorized service providers.
However, this “free” tool is not open source. It is a curated gateway. It will refuse to downgrade firmware (due to anti-rollback counters). It will only flash signed, region-specific builds. The user’s freedom is circumscribed by the assistant’s corporate logic. motorola software repair assistant free download updated