Пробовал и setool и jdflasher, прошивки скачаные из разных источников. При заливке FS, после нескольких адресов идёт сбой. Main и tpa шьются нормально. Похоже на битую флэшку?
Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors
if you like LITE edition - please visit www.setool.net and buy FULL.
ChipID:8040,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
Speed:921600
OTP LOCKED:1 CID:49 PAF:1 IMEI:35255701231295 CERT:RED
LDR:051207 0928 NPACXC1250165_1_SEMC_COMPACTFLASHLOADER R2B
Flash ID check:890D
Flash props sent ok
DETACH CABLE FROM PHONE.
REMOVE BATTERY FROM PHONE, THEN INSERT IT BACK
THEN PRESS "READY"
Trying to launch embedded bootloader...
INT LDR:COMPACT_ID_LOADER_CRIPPLED_SETOOL2_R2
Flash ID check:890D
Flash props sent ok
FOUND: R1DB001_CXC125952_EU_1_CL
Restore from:R1DB001_CXC125952_EU_1_CL
writing D:\SERVICE\SonyEricsson\ПО\Firmware\K750_cid_49\K750_R1DB001_FS_EMEA_1_RED49.fbn
CURRENT FLASH FILE CID:49
SSW uses dynamic hash, dynamic hash len is:161
Will flash 161 blocks...
verify block error
last blk:45520000,00010000
Elapsed:65 secs.