Does it contain an Arabic language, does it support network bands in Saudi Arabia, and does it receive system updates?
It don't support Arabic Language. Please check the supported bands with your carriers.
4G BANDS
FDD-LTE ：B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B17
TDD-LTE：B34 / B38 / B39 / B40 / B41(2496-2690 194MHz)
5G BANDS n1 / n3 / n41 / n78 / n79
Yes, you will get the update from Xiaomi.
Registered Customers