Hi.
0000 - 000B - What is it???????????????? 
000C - 0012 IMEI 
0013 - 001F 
0020 - 0037 SP-LOCK BLOCK 
0038 - 003A Initial Security Code (?) 
003B - 003D "FF 00 00" (nibble) 
003E - 003F CHECKSUM OF 0000 - 003D 
Alex. Alex_s@elcor.lv

multisidan@hotmail.com

Eeprom explanation

(work in progress....)

EEPROM Memory dump: 


00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 

:0000 E2 CA 99 F6 49 B4 FA B0 55 F1 73 90 49 05 26 10 
:0010 57 85 52 FF 21 53 A9 FA 94 35 67 09 19 A2 1C 21 
:0020 FD 4D 32 9F A1 5B 9E 50 6A 3E 44 8A 49 0A 47 ED > $20h-$37h sp lock data 
:0030 F5 9D 71 DC 88 12 A0 32 12 34 50 FF 00 00 1C 06 
:0040 50 20 34 00 FF FF FF FF 31 33 32 38 35 36 33 35 
:0050 36 50 10 05 09 FF FF FF 00 34 40 04 2C 60 43 75 
:0060 32 E0 37 45 09 98 00 00 00 00 00 00 00 00 00 00 


IMEI 1 490526-10-578552-2 (In TEXT FORMAT) 
IMEI 2 2C60437532E03745 (Each byte represent a couple of numbers) 
PRODUCTION SERIAL NUMBER 132856356 
PRODUCT CODE 502340 
MANUFACTURE DATE 0998 
PCI VERSION IN PHONE 4004 
BASIC PRODUCTION CODE 0501509 

0000 - 000B ???? 
000C - 0012 IMEI 
0013 - 001F ???? 
0020 - 0037 SP-LOCK BLOCK 
0038 - 003A Initial Security Code (?) 
003B - 003D "FF 00 00" (nibble) 
003E - 003F CHECKSUM OF 0000 - 003D 

0040 - 0043 PRODUCT CODE (SWAPPED) 
0044 - 0047 ORDER NUMBER (SWAPPED) 
0048 - 0050 PRODUCTION SERIAL NUMBER 
0051 - 0054 BASIC PRODUCTION CODE (SWAPPED) 
0055 - 0057 "FF FF FF" (nibble) 
0058 - 0059 HW VERSION (SWAPPED - REVERSED) 
005A - 005B PCI VERSION IN PHONE (SWAPPED - REVERSED) 
005C - 0063 IMEI FULL (XOR 65) 
0064 - 0065 MANUFACTURE DATE (MONTH / YEAR) 
0066 - 0067 Repaired counter (*#92702689#) 
0068 - 0069 PURCHASE DATE 
006A PURCHASE DATE ENABLE FLAG (80-ON / 00-OFF) 
006B - 006F 00's (??) 
0070 - 011D ???? 
011E - 011F CHECKSUM OF 0040 - 011D 

******************

: EEPROM Memory dump: 

: 
: 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 

: :0000 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 49 05 26 10 
: :0010 57 85 52 FF 21 53 A9 FA 94 35 67 09 19 A2 1C 21 
: :0020 FD 4D 32 9F A1 5B 9E 50 6A 3E 44 8A 49 0A 47 ED > $20h-$37h sp lock data 
: :0030 F5 9D 71 DC 88 12 A0 32 12 34 50 FF 00 00 1C 06 
: :0040 50 20 34 00 FF FF FF FF 31 33 32 38 35 36 33 35 
: :0050 36 50 10 05 09 FF FF FF 00 34 40 04 2C 60 43 75 
: :0060 32 E0 37 45 09 98 00 00 00 00 00 00 00 00 00 00 

: 0000 - 000B - This data have been corrupted!!
Alex.