Ipod 4G 4.2.1 jailbreak.

[TheHundreds]

Okay guys i just jailbroken the 4G with 4.2.1.

The only problem is when everything is done jailbreaking, Cydia turns white.

Why does this happen? i read on iClarified the 4G is able to JB.

[HallStevenson]

I had read that Cydia wasn't yet compatible with iOS 4.2.1. No idea if it's been updated yet or not. A quick Google search doesn't suggested it will be "soon".

[Alkida305]

U have to boot tethered. Go get the newest redsn0w, an click boot tethered on the jailbreak options screen.

[Simon]

+1^ Sounds like you need to boot tethered