https://twitter.com/theflow0/status/789732781580582912
so,Sony took 1GB from that partition and set it to use it as main memory to save your games if you don't have memory card.
if you have hacked PS Vita you can access to that 2.5GB of your OLED Vita and use it too.
Did you know that the PS Vita 1000 has got 2.5GB INTERNAL MEMORY at ur0 that you can make use of? This partition is 1.5GB for the slim.
so,Sony took 1GB from that partition and set it to use it as main memory to save your games if you don't have memory card.
if you have hacked PS Vita you can access to that 2.5GB of your OLED Vita and use it too.