Default [Q] change language on my note pro

hi i'm jacopo from italy
two weeks ago i have bouth in the usa one note pro 12.2 only wifi p900, but don't have the italian language.
i try to flash the european firmware downloaded from sammobile but when i put the tablet in download mode , odin don't find us (i have installed the driver)
pressing and hold Home + Power + Volume Down buttons, the device show me only this option:
android system recovery
KOT49H.P900UEU1ANC5
-reboot system now
-apply update from adb
-apply update from external storage
-wipe data /factory reset
-wipe cache
-apply update from cache

how i can fix it? thanks