NC450 V2 downgrade from 1.5.0 to 1.2.4

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2021-04-20 10:26:49

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Registered: 2021-04-20

NC450 V2 downgrade from 1.5.0 to 1.2.4

2021-04-20 10:26:49

Model: NC450

Hardware Version: V2

Firmware Version: 1.5.0 Build 181022 Rel.3A033D

Hello, I want to downgrade my NC450 from

1.5.0 Build 181022 Rel.3A033D
to
1.2.4 Build 170322 Rel.85B2CB

But apparently I need some "middle firmware" to do this. So where can i find one? :) Thanks!