ok so ill be download this,
R8BA024_RED52 - K800_R8BA024_MAIN_GENERIC_WI_RED52
R8BA024_RED52 - K800_R8BA024_FS_APAC_RED52

but for custpack do i download
K800 - HB1-06_Gen_CDA102568_101_R8A_GENERIC_APAC

or

HB1-06_Generic_CDA102568_101_R4A_GENERIC_APAC ?

and also ill use xs++ to flash right? but where do i put the custpack to flash?