[AYUDA] Flashear el K790

Hola amigos nesecito flashear mi K790 pero nesecito el Main, Custon pack y no se donde encontrarlos soy de El salvador y estas son las especificaciones del cell porfa ayudenme quiero q mi cell se vea bonito

welcome to setool2 lite edition v 1.08
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors
Abort all operations.
Can't load id loader !
Elapsed:43 secs.
Abort all operations.
Can't load id loader !
Elapsed:9 secs.
Abort all operations.
Can't load id loader !
Elapsed:17 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:51
Speed:921600
Flash ID check:2019
Flash props sent ok
OTP LOCKED:1 CID:49 PAF:1 IMEI:352XXXXXXXXXX CERT:RED
FLASH CID:51 COLOR:RED

MAPP CXC article: R1GB001 prgCXC1250634_NAM_1_EV
MAPP CXC version: R1GB001
Language Package:AMERICA_1
CDA article: CDA_NUMBER
CDA version: CDA_REVISION
Default article: cxc1250491
Default version: R1GB001

Network LOCKED
Operator: 706-04

Elapsed:6 secs.

De ante mano gracias