Can anyone confirm that the md5 has changed for the new 3ds USA and is not N3DS 9.2.0-20U:
MD5:e5f40c3b155cfd12ef38be35d2e81d2e
??
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Also every website I've downloaded from has had md5:
e6339468a1e82b1d50e9222f017c0477
Is this confirmed working for the Cia update files on the n3ds usa?
I just performed the downgrade from 9.6.0-24U -> 9.2.0-20U using the same zip you're referencing (successfully). The MD5 posted for this file on that site differs from OP's listing. Mine was also listed as:
E6339468A1E82B1D50E9222F017C0477
Which is correct based on where I downloaded it.