14/11/2010 Release 2.2.0
Release 2.2.0 is first which comes with iOS4 style immediatly after restore.
This version was released for device iPhone 2G.
Checksum
File: iPhone1,1_3.1.3_7E18_BlackDoor_2.2.0.ipsw
Size: 284.978.675 B
Hash: 2AA5FA0C834A418EED50DB472230588B