samsung a9 please help

hello there

i bought this phone from china it come with 6.0.1 no google play store

i try to install google services could not work for me

this phone has the firmware A9000ZU1BPE2 marshmallow

i try to flash the hong kong firmware with odin its said fail coz its 5.1.1 Lollipop A9000ZHU1APD3

is hong kong firmware has google services and play store

and please how flash it by odin

thanks alot

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