Apple iphone 3GS has a lock machine jailbreak unlock full tutorial (Error 3194,3014,1600 and other issues can be consulted)

The following steps are listed as follows: (the basic idea is to brush 6.1.6, jailbreak, downgrade baseband, unlock)

First, the preparatory work

1. Download the official firmware of 3GS 6.1.6. Address: Http://act.feng.com/wetools/index.php?r=iosRom/index

PS: Why use 6.1.6, because Apple has closed 6.1.2, 6.1.3 and other SHSH authentication (with SHSH backup also invalid), so as long as the firmware is updated, there is no doubt there will be 3XXX problems, change host, open the TSS server is also useless.

2, download 3GS 6.0 official firmware. Address Ibid. Note is the choice of 6.0. Red Snow is provided here to downgrade the baseband.

3, download red snow brush machine software. Address: http://www.pc6.com/softview/SoftView_60621.html

4. Download the latest version of itunes. Address: http://www.apple.com/cn/itunes/download/

5. SIM card in the country where the lock machine is located, to activate the mobile phone.

Second, start the brush machine

1, open 3gs, enter the DFU mode.

method See Baidu Encyclopedia Http://zhidao.baidu.com/link?url= Nimgy2jlqj9zp-ab7nc5sxoqs27z58j9oooxlaplismkqfyvkjqxcdlkbbdiwtdaq7oqkcqeqtzbpqmoyxtikk

2, hold down SHIFT click Update, select 6.1.6 firmware, normal brush machine.

3, open the red snow, point extension----Specify firmware----SELECT 6.0 Firmware---The Firmware identification window point is determined----will appear after a window point no------return------point the first button Jailbreak-------Progress---only hook installed ipad baseband---appear window point is------continue----phone DFU mode wait for progress, the phone will appear a hard disk icon, after scrolling English, followed by a run of pineapple, time a little long, Be patient and wait for about 10 minutes (note the tip of the machine before and after 41 weeks).

8. After running the pineapple, the mobile phone is active. Wait for the jailbreak.

Third, escape

Open the Red Snow selection extension-----Specify firmware----SELECT 6.0 Firmware---The Firmware identification window point is determined----then a window point no------return------point the first button Jailbreak-------Progress---Only tick the first installation Cydia---continue to----phone DFU mode wait for progress to finish, waiting for the pineapple to go. This time will be quick.

Error message if phone screen appears during
Reboot the device into normal operating mode
Then perform a clean "slide to power off",
Then try Redsnow again
Do not be afraid, put the hand machine, and then into the DFU mode. Wait for the red snow to go through. After the boot will see the Cydia icon, indicating that the jailbreak is complete, and now the phone still has no signal.

Iv. downgrading

Open red Snow, point extension----Specify firmware----SELECT 6.0 Firmware---The Firmware identification window point is determined----then a window point no------return------point the first button Jailbreak-------Progress points from the ipad baseband downgrade---Mobile phone DFU mode waiting for progress, (here can first close the phone and then DFU mode, sometimes error in the middle) the phone will appear a hard disk icon, then scrolling English, the most later appeared a run of pineapple, time a little long, Be patient and wait for progress to finish.

Five, unlock

After the phone restarts, see if the baseband is turned into 05.13.04 if it is to indicate success. Then connected to the WiFi open cydia Wait after the new, add the apt.178.com and apt.weiphone.com after the search ultrasn0w Super Snow 1.2.8, and then restart the phone signal came.

Six, congratulations on unlocking success.