Question: the division 2 what perks to unlock first?
Answer: Extra XP Boosts. Unlock the first three tiers of this perk before anything else. ... 
Upgrade Backpack. You'll come across lots of loot throughout Division 2. ... 
Extra Armor Repair Kits. Make sure to max this perk to carry more armor repair kits.
Auto Ammo and Grenade Refill. ... 
Carry More Grenades.