I have k750i

this is my phone description

Software info
R1DB001
prgCXC1254_CHINA_C
L R1DB001


EROM:R3A005
prgCXC 1250091_EROM_
DB2010_CLARA_FLAFLA

Camera SW versions
Camera
Current:5.3

ITP SW version
CXC 125 932_49R1C

Custimization
CDA 102337/101 R5A
cxc 125953 R1DB001
APAC_1

Content version
PA19


Can someone show me the way
to do flashing and customise this phone????

i still new in this
please show me the way:)