KIW-L21_C185B321CUSTC185D001_Firmware_Kuwait_Oman_Iraq_Pakistan_United_Arab_Emirates_Iran_Saudi_Arabia_Tanzania_Android_6.0.1_EMUI_4.0.2.APP

You need to use one of DC-unlocker's programs and click on button "Enter support area". More information on how to access support area You can find in How to access Support Area page.