which firmware for k810i?

[SeaMonkey]

i want to upgrade my k810i to its latest firmware. i have XS++ 3.1 and i don't know which one to download, MAIN, FS and custpack. my phone is cid52, region CDA102779/87 R1A cxc1250813 R6BC002 S_ASIA_LEVAN. please help

You are looking for this :
MAIN - K810_R8BA024_MAIN_GENERIC_SM_RED52
FS - K810_R8BA024_FS_S_ASIA_LEVAN_RED52 and
CUSTPACK - HB1-06_Gen_CDA102568_110_R8A_GENERIC_S_ASIA_LEVAN