Native speaker
In Emirati Arabic, “Hello” is سلام (salaam).
سلام
Hello.
It's in the phrasebook under Greetings & how are you, with 14 more like it.
ahlan wa sahlan
sabaah il-khayr
tisbah 'ala khayr
ma'a as-salaama
anaa zayn, shukran, w-inta?to a man
tsharrafnaa
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences