Big update. So I took the plunge and upgraded to enso_ex 4.5.1 and ran IMCUnlock 4 which did free up 2.5GB of internal storage for my Vita 1000 as ux0 with no memory card inserted! I followed the instructions on the GitHub site, re-installed HENkaku, Enso, VitaShell etc. for my 3.6 Vita and all...