Join Date: Jun 2005
Location: Nowhere - Tax Free Nomad
Programs: BA GfL, UA Gold, EK Silver, Hilton LT Diamond, Marriott LT Titanium, IHG Plat
Posts: 1,382
Every time I have had to use a "person" to check-in at DXB they have been religious in opening 3 hours before flight departure. No where else to drop anything as far as I can tell.
If you don't have luggage you can PYOB or use your mobile BP and go through security whenever you want.