Here is a link to all Updates or DownGrades
The Link:http://www.ps3-hacks.com/category/3
What Updates or DownGrades There are Availble is here :
3.55
PS3 3.55 System Update
3.50
PS3 3.50 System Update
3.42
PS3 3.42 System Update
3.41
PS3 3.41 System Update
3.21
PS3 3.21 System Update
3.15
PS3 3.15 System Update
2.53
PS3 2.53 System Update
2.52
PS3 2.52 System Update
2.50
PS3 2.50 System Update
2.43
PS3 2.43 System Update
2.42
PS3 2.42 System Update
2.41
PS3 2.41 System Update
2.40
PS3 2.40 System Update
2.36
PS3 2.36 System Update
2.35
PS3 2.35 System Update
2.30
PS3 2.30 System Update
2.20
PS3 2.20 System Update
2.17
PS3 2.17 System Update
2.10
PS3 2.10 System Update
2.01
PS3 2.01 System Update
2.00
PS3 2.00 System Update
1.93
PS3 1.93 System Update
1.92
PS3 1.92 System Update
1.90
PS3 1.90 System Update
1.82
PS3 1.82 System Update
1.81
PS3 1.81 System Update
1.80 DEBUG
PS3 v1.80 Debug Build
1.80
PS3 1.80 System Update
1.70
PS3 1.70 System Update
1.60
PS3 1.60 System Update
1.54
PS3 1.54 System Update
1.51
PS3 1.51 System Update
1.50
PS3 1.50 System Update
1.32
PS3 1.32 System Update
1.31
PS3 1.31 System Update
1.30
PS3 1.30 System Update
1.11
PS3 1.11 System Update
1.10
PS3 1.10 System Update
