Tình trạng máy là lên trằng rồi sụp nguồn, mang vào Setool để Flash thì log nó báo như sau:

Code:
v0.915057/UNI
CARD SERIAL: 00118820
Loaded 51 flash descriptors
CFG:000000000000
ChipID:8040,EMP protocol:0301
OBSOLETE EROM,FORCING "RETAIL" PHONE STATE
OBSOLETE EROM,FORCING "CID49"
 
PHONE STATE: "RETAIL"
FLASH CID: 0049
Speed:921600
FLASH ID:200D
OTP: LOCKED:1 CID:49 PAF:1 IMEI:35744200230838 CERT:RED
FLASH CID:49 COLOR:RED
SCRC READ FAILURE
Elapsed: 10 secs.
CFG:000000000000
PROCEDURE WAS STOPPED BY USER
FAILED TO SETUP PHONE
Elapsed: 4 secs.
PRELOADER SECURITY BYPASS ENABLED
CFG:001110001000
ChipID:8040,EMP protocol:0301
OBSOLETE EROM,FORCING "RETAIL" PHONE STATE
OBSOLETE EROM,FORCING "CID49"
 
PHONE STATE: "RETAIL"
FLASH CID: 0049
Speed:921600
Starting embedded bootloader...
INT LDR:COMPACT_ID_LOADER_CRIPPLED_SETOOL2_R2
OTP: LOCKED:1 CID:49 PAF:1 IMEI:35744200230838 CERT:RED
can't get packet start.
Loader not responding !
Elapsed: 45 secs.
CFG:000110001000
ChipID:8040,EMP protocol:0301
OBSOLETE EROM,FORCING "RETAIL" PHONE STATE
OBSOLETE EROM,FORCING "CID49"
 
PHONE STATE: "RETAIL"
FLASH CID: 0049
Speed:921600
OTP: LOCKED:1 CID:49 PAF:1 IMEI:35744200230838 CERT:RED
LDR:051207 0928 NPACXC1250165_1_SEMC_COMPACTFLASHLOADER R2B
FLASH ID:200D
 
REMOVE BATTERY FROM PHONE, THEN INSERT IT BACK
THEN PRESS "READY"
 
OBSOLETE EROM,FORCING "RETAIL" PHONE STATE
OBSOLETE EROM,FORCING "CID49"
 
Starting embedded bootloader...
INT LDR:COMPACT_ID_LOADER_CRIPPLED_SETOOL2_R2
LDR:041214 0816 LLECXC1326743_COMPACTPRODUCTION R2AB
FLASH ID:200D
FOUND VERSION "R4AB048_CXC1250086_CHINA_EL"
can't open file "D:\CHUONG TRINH DIEN THOAI\BOX SETUP\SETOOL\v0.915057\rest\R4AB048_CXC1250086_CHINA_EL"
writing "D:\CHUONG TRINH DIEN THOAI\FILE FLASH\File SONY\w550\r4ab048\w550_r4ab048_apac1_main.cry\w550_r4ab048_apac1_main.cry"
CURRENT FLASH FILE CID:254
SSW uses dynamic hash, dynamic hash len is: 369
Will flash 369 blocks...
writing "D:\CHUONG TRINH DIEN THOAI\FILE FLASH\File SONY\w550\r4ab048\w550_r4ab048_apac1_fs.cry\w550_r4ab048_apac1_fs.cry"
CURRENT FLASH FILE CID:254
SSW uses dynamic hash, dynamic hash len is: 302
Will flash 302 blocks...
Setting up GDFS...
SCRC READ FAILURE
Elapsed: 606 secs.
Anh em xem giúp mình nhé. Thanks !