820-01326
MacBook Pro 'Touch Bar' 15-Inch
Mid 2018 ???????
MacBookPro15,1
A1990 emc3215
To open the Mac you need a P5/PL4 Pentalobe screwdriver.
The T2-ROM (U4770) is a WSON-8 chip 3x4mm (32Mbit).
The ROM in on the top (easy to reach) side of the motherboard.