The long-awaited untethered Jailbreak for firmware 4.2.1 has been released. It works stably. I recommend to everyone who has already updated to version 4.2.1 and is afraid to overload the phone.
That is, all owners of licensed phones and those who updated via RedSn0w and did unlock.
Attention, there is no own unlock in Greenpois0n. If you have a phone locked to an American operator, then after updating the firmware you will not be able to call – do RedSn0w first
How to do:
Download Greenpois0n RC5.
Unzip to a folder.
Now run the Greenpois0n.exe file and follow the instructions.
You will need to put your device into DFU mode.
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First press the button on the end iPhone, then, without releasing, the “Home” button. Release the button at the end.
If everything worked out, the process will begin Jailbreak.
After completion, you will see an icon like this on the screen.
Open the program and install Cydia
Now there is everything for the full use of the device!
You can install Installous.
For everyone who has difficulties in transferring iPhone to DFU mode.
In order to transfer the phone to DFU mode, you need to hold down the HOME and POWER buttons for 10 seconds, then without releasing HOME, release POWER (the phone screen should be black), hold HOME for another 10 seconds. The phone must be connected to the computer at this time. iTunes will detect that the phone is in recovery mode, nothing should be displayed on the phone screen!
Look at the video in stages.