Need help with iphone 4g

[atlantatan1]

I jailbreak my iphone by use "jailbreak me" and did click on made me life easy after put Ultrasn0n the apple reboot and stuck on apple icon I try to downgrade but get code3019,could some one help me how to reset to boot back,thanks in advance for any help.

 

[celticpride678]

First, it's iPhone 4, not iPhone 4G.

Second, try a DFU mode restore.