iphone 4 _ 4.2.1 Custom_Firmware (Activated) Jailbreaked
this Custom_Firmware is activated & Jailbreaked
included Cydia
not update your baseband
open cydia install ultrasn0w_1.2 for unlocking
Part - 1
[You must be registered and logged in to see this link.]
Part - 2
[You must be registered and logged in to see this link.]