You didn’t answer if it’s 4 or 8 inches.
Do not go to 3.3 yet, read and follow this guide → Two Step Installation for Sync 3.0 Versions (2.3 thru 3.0) from Sync 3.0 Early Versions (1.0 thru 2.1) Maintaining CarPlay
Also, share the xml file the interrogator log generates. (redact the VIN from the title and content if you care about it).
From now on, do not post multiple consecutive messages, use the edit button instead if you wanna add information to the last message on the thread. I’ve merged all of your messages.