I've hooked up to Odin 3.07.
The options for dumping are grayed out. I don't know if that's normal or if Odin is even how I should dump.
Of note, My ODIN MODE screen the top left corner of the phone.
(in my linked post i have image) (Purple text is actually written in white)
PRODUCT NAME: SCH-I535
CUSTOM BINARY DOWNLOAD: No
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Custom
QUALCOM SECUREBOOT: ENABLE
Yes, I am familiar with ADB... "familiar but not too familiar, but not too not familiar"
Samsung Galaxy S3 SCH-I535