There are a lot of people who purchase an iPhone and then jailbreak it right away. There is a problem after that with being able to get all of the updates needed so that the iPhone is fully functionable. If you are in this type of situation you may need to know how to update a jailbroken iPhone.
The first thing you will need to do is to make sure you have the latest edition of iTunes installed on your computer. You have to have this in order to update and install the most recent iOS onto the iPhone. After you have updated iTunes you can plug the phone in to the computer using the USB cable. In iTunes you will click on the icon for your iPhone and then proceed to the summary page. The iTunes menus and displays should walk you through all the steps to update the phone.
Then you will need to make sure that you have the latest version of the jailbreak software on your iPhone and go through that procedure once again. This is because the updates to the operating system will automatically restore the device to its previous state. Each time you update your jailbroken iPhone you will have to jailbreak it again.
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