Yep, it worked great! I took a straight-from-the-box DS-2CD2332-I with a CH serial number, did the enhanced mtd hack per your instructions, and then ran it through the major releases (5.2.0, 5.3.0, 5.4.41, and then 5.4.5). At first I tried to go straight to 5.4.41 with the fixup.sh script and...