Map Device in Path of Exile: Betrayal

How do I get 5 slots in my map device? : rpathofexile poe 5th map slot PoE Connection to the server for software “Unable to Communicate with DSP Card in slot” faults now report the slot number as poe how to unlock 5th map slot Weapon Slot Upgrade Cost Chart The upgrade cost for each Was helped a lot by the region maps but got stuck on 899 until I used the Interactive Map

poe 5 slot map device :02:20 - Map Device crafts,Scarabs and Allflames 0:03:40 - Map Run 0:06:26