How can i delete jailbreak apps from my iphone4 4.1? all i see are two square white icons of cydia and loader and it's non-functional, since it's not working my phone sometimes hang. and now i can't restore my phone all i get is a message that says "error -23". all i see are two square white icons of cydia and loader and it's non-functional, since it's not working my phone sometimes hang. and now i can't restore my phone all i get is a message that says "error -23".