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Second Generation MMS units can have the following firmware versions:
5.35.20210916.0 (Latest Hotfix)
5.35.20210128.0 (Latest Release)
5.35.20210315.0
5.35.20201110.1
5.35.20191025.0
MMS-5A with Serial Numbers greater than 311-10-1610210007
MMS-2A with Serial Numbers greater than 210-11-1606150016
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