Avaiable Phone：OTB  1.1.2 Firmware iPhone

Hacking Procedure:Download to 1.1.1 and hack →Disassemble and download bootloader→ upgrade it to 1.1.2 → jailbreak 1.1.2→Open airplane mode anysim1.2.1 and hack

Environment：xp system，itunes7.4 or above，1.1.1& 1.1.2 firmware，wireless network，dataline，1.1.2 jailbreak tools

Principle: This tutorial is the common method of disassemble and hace OTB 1.1.2 firmware. It also can be regarded as hardware hacking, but actually it is soft-crack, because it only disassemble not to take off CMOS chip. The aim is to downgrade bootloader from 04.02.13_G to 3.9. In this way, your iPhone has no difference with OTB 1.0.2 and 1.1.1. Upgrade to 1.1.2 and then it can be hacked with anysim 1.12 .

1.1.1 download　1.1.2 download 　1.1.2-jailbreak tools download　Java download

iPhone Warning：Please read this tutorial twice carefully before operate!

一，Downgrade OTB 1.1.2  Firmware to 1.1.1 Firmware

　　1. Download 1.1.1 firmware and connect your iPhone to the computer. After connection, close your iPhone. Press "home" and "Boot-strap" key at the same time for 10 seconds. Then release "boot-strap" and still press "Home" until iTunes gives a hint that you should put your iPhone under restoring mode.

　　2. Press "Shift" and click "Restore" with the mouse, choose firmware 1.1.1 you downloade in the hop[-up window, click "confirm", then iTunes will restore your iPhone.

　　3. After restoring, iTunes will give you a hint "1015" or "1011" mistake. Don't worry, this means that you successfully downgraded your iphone to firmware 1.1.1. Now close iTunes.

　　Friendly Note：Although the version is downgraded to 1.1.1, the modem is still 04.02.13_G of 1.1.2.

　　4. First download iBus or iBrickr and operate it. At this time, iBus or iBrickr will appear a downgrading hint picture. Please click "Introduce your iphone". If your iphone is red, then don't worry, after a few seconds, the screen ofyour iphone will enter the activating window.

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