好记性不如烂笔头

Output of using vpd -l:
"mlb_serial_number"="JM0570000006999F270048
"initial_locale"="en-US"
"initial_timezone"="America/Los_Angeles"
"keyboard_layout"="xkb:us: :eng"
"region"="us"
"rlz_brand_code"="LOEL"
"serial_number"="4211000048"

Serial number on bottom of device:
JM01NWE0T00Y85290020