Tanjot,
Ok, now I've got it.

ChipID:E900,EMP protocol:0401

PHONE STATE: "RETAIL"
FLASH CID: 0053
OTP LOCKED:1 CID:53 PAF:1 IMEI:353**********7 CERT:RED
LDR:2009-04-21 18:29 1202-0421_DB3210_CS_LOADER_ACC_SDRAM_R2A081
LDR:2009-04-21 18:30 1202-0420_DB3210_CS_LOADER_APP_SDRAM_R2A081

Model:C905a
MAPP CXC article: R1BB026 prg1208-0520_ATT_SI
MAPP CXC version: R1BB026
Language Package:ATT
CDA article: 1214-8735
CDA version: R36A
Default article: 1205-9083
Default version: R1BB026

Network LOCKED
Operator: MULTIPLE

Elapsed:13 secs.

Now I understand that I need to download FS, MAIN, and CUSTOM files; but how do I know which ones?

Sorry for being SUCH A NOOBIE!!