Just how can I jailbreak iphone 4.2.1 (unthethered) if you do not have older SHSH?
Presently I'm seeking this just for my iPad WiFi, so no baseband.
If there are not remedies yet, do not upload anything.
Greenpois0n rc5 Has been launched and also can do an untethered jailbreak on 4.2.1 without older SHSH balls.
Here is a detailed tutorial to do untethered jailbreaking on an iphone 4.2.1 tool.
This how-to guide need to aid.
It is impressive and also I utilized it