trying to guess the meaning behind Apple IPSW URLs

guess.md

Example URL:

http://appldnld.apple.com/iPhone/061-4956.20080710.V50OI/iPhone1,1_2.0_5A347_Restore.ipsw

[Left is text, right is the conversion to hex]

[Everything is case sensitive, I think]

// 2.0 for iPhone1,1

V50OI = 56 35 50 4f 49

5A347 = 35 41 33 34 37

// 2.0.1 for iPhone1,1

Vfgtr = 56 66 67 74 72

5B108 = 35 42 31 30 38

// 2.0.2 for iPhone1,1

2V0hO = 32 56 30 68 4f

5C1[00] = 35 43 31 30 30

// 2.0 for iPhone1,2

bgt53 = 62 67 74 35 33

5A347 = 35 41 33 34 37

// 2.0.1 for iPhone1,2

Q2W3E = 51 32 57 33 45

5B108 = 35 42 31 30 38