Hola, es lo que realizo pero me queda el mismo imei, es decir no lo cambia, posteo el log,

v0.915026/UNI
CARD SERIAL: 000
Loaded 51 flash descriptors
ChipID:8040,EMP protocol:0301

PHONE STATE: "RETAIL"
FLASH CID: 0049
Speed:921600
Flash ID check:2019
Flash props sent ok
OTP: LOCKED:1 CID:49 PAF:1 IMEI:xxxxxxxxxxxxx CERT:RED
FLASH CID:49 COLOR:RED

Model:K510a
MAPP CXC article: R4CH003 prgCXC1250231_GENERIC_CO
MAPP CXC version: R4CH003
Language Package:AMERICA_2
CDA article: CDA102460/13
CDA version: R4A
Default article: cxc1250246
Default version: R4CH003
PROVIDER: 000-00
SIMLOCKS NOT DETECTED

USERCODE:0000

RESTORATION FILE PRESENT FOR DETECTED FIRMWARE

Elapsed: 28 secs.

THAT ACTION IS ILLEGAL,IF YOU DOING IT
FOR ANY PURPOSE, OTHER THAN REPAIR PHONE

ChipID:8040,EMP protocol:0301

PHONE STATE: "RETAIL"
FLASH CID: 0049
Speed:921600
OTP: LOCKED:1 CID:49 PAF:1 IMEI:xxxxxxxxxxxx CERT:RED
PATCH:061204 1529 HAN_DB2010_MEM_PATCHER_R2A007_CXC9876543210 0
LDR:060718 0842 LIE_DB2010_FLASHLOADER_R2A003_CXC1326738
Flash ID check:2019
Flash props sent ok

REMOVE BATTERY FROM PHONE, THEN INSERT IT BACK
THEN PRESS "READY"


Trying to launch embedded bootloader...
INT LDRB2010_RESPIN_ID_LOADER_SETOOL2
LDRB2010_RESPIN_PRODLOADER_SETOOL2
Flash ID check:2019
Flash props sent ok
FOUND VERSION "R4CH003_CXC1250231_GENERIC_CO"
Setting up GDFS...
WRITING CLEAR SIMLOCK UNITS...
SIGNING...
Unlock DONE
Elapsed: 58 secs.