best is to use blackrain for jailbreaking,, anu ba firmware version nyan at anu baseband?
eto jailbreaking and will work with the latest 3.1.2 firmware, the 05.11.07 baseband, and iPhones which require hactivation
1st download blackrain
here
double click
to put it in recovery mode
den pag recovery mode na parang ganito lalabas sa screen nya
then mag reboot ang pohne den istall blackrain makesure you have net connection
Choose the installer application of your choice then press to select sn0w if you would like to unlock your device. Press the Install button at the top right of the screen to begin.
den wait kc magdodownload sya
then after checking kung lahat ng apps na ininstall mo ay gumagana pwede mo na delete/uninstll ung blackrain