DEspues de intentar regresarlo a k310, tal vez con los archivos incorrectos
Use:
K310_R4EA031_FS_AMERICA_2_RED49.fbn
K310_R4EA031_MAIN_GENERIC_RED49.mbn

Alternadamente:
K310a_CDA102570_159_R1A_Telcel_Mexico.zip
K310a_CDA102570_77_R4A_Telcel_Mexico.zip

Esto es lo que me tira Setool:

FILE RECOGNIZED AS CUSTOMIZATION PACKAGE.

PACKAGE CONTAINS SIMLOCKS ! USE WITH CARE !

CDA:CDA102570/77
MODEL:K310a
VARIANT:AMERICA_2
LANGUAGE: EN
LANGUAGE: PB
LANGUAGE: XL

ChipID:8040,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
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:897E
Flash props sent ok

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

ChipID:8040,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
Speed:921600
Trying to launch embedded bootloader...
Embedded flashloader:
COMPACT_ID_LOADER_CRIPPLED_SETOOL2_R2
Flash ID check:897E
Flash props sent ok
FOUND: R4HA014_CXC1250719_GENERIC_ME
Restore from:R4HA014_CXC1250719_GENERIC_ME
can't open file "C:\Documents and Settings\@nkeito\Escritorio\Nueva carpeta\rest\R4HA014_CXC1250719_GENERIC_ME"
writing C:\Documents and Settings\@nkeito\Escritorio\k310\K310_R4EA031_FS_A MERICA_2_RED49.fbn
CURRENT FLASH FILE CID:49
SSW uses dynamic hash, dynamic hash len is:109
Will flash 109 blocks...
SSW loading returns:0
writing C:\Documents and Settings\@nkeito\Escritorio\k310\K310_R4EA031_MAIN _GENERIC_RED49.mbn
CURRENT FLASH FILE CID:49
SSW uses dynamic hash, dynamic hash len is:304
Will flash 304 blocks...
SSW loading returns:0
CSloader version:
SETOOL2 LITE COMPACT_SEMC_FS_LOADER (FAT V26)
loader startup: executed
loader filesystem startup: executed
loader GDFS startup: executed
Writing package...
Directory: tpa/preset/custom/
CONTENT_DOWNLOAD_HOOK.itm (2048)
customize.xml (11370)
DESKTOP_HOOK_2.itm (10240)
FM_PICTURES_HOOK_1.itm (10240)
FM_PICTURES_HOOK_3.itm (10240)
FM_SOUNDS_HOOK_1.itm (10240)
FM_SOUNDS_HOOK_3.itm (10240)
FM_THEMES_HOOK_3.itm (10240)
FM_VIDEOS_HOOK_3.itm (10240)
GAMES_HOOK_3.itm (10240)
SETT_RINGTONE_HOOK_3.itm (10240)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/audio/
20058521427.mp3 (486922)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/image/
200632432241.gif (53026)
20063243236.gif (41142)
chdir: 2
Directory not found, attempt to create
chdir: 2
Directory: tpa/preset/custom/sms/template_1/
template_1.txt (30)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_10/
template_10.txt (46)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_2/
template_2.txt (40)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_3/
template_3.txt (36)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_4/
template_4.txt (64)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_5/
template_5.txt (46)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_6/
template_6.txt (34)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_7/
template_7.txt (70)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_8/
template_8.txt (44)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_9/
template_9.txt (44)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/themes/
200632433051.thm (111104)
2006529163654.thm (107008)
Phone detached
Elapsed:289 secs.
FILE RECOGNIZED AS CUSTOMIZATION PACKAGE.

PACKAGE CONTAINS SIMLOCKS ! USE WITH CARE !

CDA:CDA102570/159
MODEL:K310a
VARIANT:AMERICA_2
LANGUAGE: EN
LANGUAGE: PB
LANGUAGE: XL

ChipID:8040,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
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:897E
Flash props sent ok

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

ChipID:8040,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:49
Speed:921600
Trying to launch embedded bootloader...
Embedded flashloader:
COMPACT_ID_LOADER_CRIPPLED_SETOOL2_R2
Flash ID check:897E
Flash props sent ok
FOUND: R4EA031_CXC1250466_GENERIC_DO
Restore from:R4EA031_CXC1250466_GENERIC_DO
writing C:\Documents and Settings\@nkeito\Escritorio\k310\K310_R4EA031_FS_A MERICA_2_RED49.fbn
CURRENT FLASH FILE CID:49
SSW uses dynamic hash, dynamic hash len is:109
Will flash 109 blocks...
SSW loading returns:0
writing C:\Documents and Settings\@nkeito\Escritorio\k310\K310_R4EA031_MAIN _GENERIC_RED49.mbn
CURRENT FLASH FILE CID:49
SSW uses dynamic hash, dynamic hash len is:304
Will flash 304 blocks...
SSW loading returns:0
CSloader version:
SETOOL2 LITE COMPACT_SEMC_FS_LOADER (FAT V26)
loader startup: executed
loader filesystem startup: executed
loader GDFS startup: executed
Writing package...
Directory: tpa/preset/custom/
CONTENT_DOWNLOAD_HOOK.itm (2048)
customize.xml (11921)
DESKTOP_HOOK_2.itm (10240)
FM_PICTURES_HOOK_1.itm (10240)
FM_PICTURES_HOOK_3.itm (10240)
FM_SOUNDS_HOOK_1.itm (10240)
FM_SOUNDS_HOOK_3.itm (10240)
FM_THEMES_HOOK_3.itm (10240)
FM_VIDEOS_HOOK_3.itm (10240)
GAMES_HOOK_3.itm (10240)
SETT_RINGTONE_HOOK_3.itm (10240)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/audio/
20058521427.mp3 (486922)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/image/
200610433843.gif (6807)
200610433857.GIF (10424)
200610433913.gif (6669)
200632432241.gif (53026)
20063243236.gif (41142)
chdir: 2
Directory not found, attempt to create
chdir: 2
Directory: tpa/preset/custom/sms/template_1/
template_1.txt (30)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_10/
template_10.txt (46)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_2/
template_2.txt (40)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_3/
template_3.txt (36)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_4/
template_4.txt (64)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_5/
template_5.txt (46)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_6/
template_6.txt (34)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_7/
template_7.txt (70)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_8/
template_8.txt (44)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/sms/template_9/
template_9.txt (44)
chdir: 2
Directory not found, attempt to create
Directory: tpa/preset/custom/themes/
200610433635.thm (64512)
200610433649.thm (69120)
20061043379.thm (57344)
200632433051.thm (111104)
2006529163654.thm (107008)
Phone detached
Elapsed:353 secs.