Samsung Galaxy S Blaze 4G unlock code read done.... 
Operation: Read Codes
Selected model: SGH-T769
Selected port: COM292 SAMSUNG Mobile USB Serial Port ,
Software version: 20.0
Reading phone info...
Model: SGH-T769
Country code: ªU
Cal date: ªU
Factory SW: T769UVLF5
Unique number: CKJ08F09656F72F
Memory phone: ªU
Phone S/N: R21C327XCD
PDA/CSC version: T769UVLF5/T769TMBLF5
Phone version: SW VERSION :None
Phone HW: REV1.0
Cal date: 2012.03.13
Reading IMEI... OK
IMEI: 359196041052682
Reading security... OK
Searching server for decrypt codes... OK
NET lock: 80795307
Sub lock: 00000000
SP lock: 00000000
CP lock: 00000000
For check lock status: *#7465625#
Done with Samsung Tool v.20.0