iOS4 Hash Values
Last week I downloaded the iOS4 GM (iPhone2,1_4.0_8A293_Restore.ipsw). I created a custom firmware and installed it -- everything is working fine.
Today, I decided to download iOS4 (iPhone2,1_4.0_8A293_Restore.ipsw) via iTunes. I compared the hash values between the two, and they are different... I checked the settings tab on my 3GS and it reports that I'm running 8A293.
GM MD5 hash value: 7d06751c5a67140748ce80ea1b00c887
Today's hash value: f9819ad9a52324ac6f10e4a0ea581cbd
So it seems one of two things happened.
1) I downloaded a slightly fake iOS4 that was hacked to display the 8A293 version
2) Apple changed something between the supposed GM and what they released today.
Just wanted to give people a heads up. I'm gonna wait until the dev team releases some new tools, then create a new custom firmware and restore.... just in case.
(posted this here since it potentially effects both JB and non-JB devices)