I've just have jailbreaking, but it always turn to "a sub process bin return an error"
So I finally find this website and try to fix it.How to Increase the Size of a Root Partition for an iPhone | eHow.com But after I deleting the system folder which is the step 6, my iphone runs slow and finally the system crashes. And then it keep the recover mode whatever I do. So I try to recover the system by Itunes, but it will turn to 3194 error. Please help.