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Make sure your iTunes is updated to the latest version and connect your iOS device to your computer. There is a third and advanced method of updating an iOS device, too. This method allows you to completely wipe-off your device and install the latest firmware.

If you think your device is lagging or if you are seeing unusual performance issues, then it is recommended that you update it via IPSW method. You can download an IPSW file for your device elsewhere, bring it home on a flash drive and upgrade your device by following the steps mentioned below. This method also allows you to save bandwidth by using the same IPSW file on all of your same devices all iPhone 7, for example.

In rare instances where an iOS device becomes unusable due to a software issue, an IPSW file is used to perform a complete restore. An IPSW file also becomes useless once a new version is released. Make sure you download the correct IPSW file for your device. FutureRestore , a restore tool designed for Apple users. Download FutureRestore from this Github page. Step 1. With all three files in one place, move on to the next step.

Step 2. Step 3. Drag the unzipped FutureRestore file into Terminal and type -t. Step 4. Drag the blob file into the Terminal interface and type either --latest-sep --latest-baseband or --latest-no-baseband. Use the former if your iPhone device uses a sim card or the latter if your iDevice does not support a sim card.

Step 5. Your screen should look like the one in the image below if you followed steps 3 and 4 correctly. Step 6. Press Enter on your keyboard. Make sure your computer has an internet connection and is connected to your iOS device with a data transfer cable. Step 7. Relax and let the downgrade process run and complete. When restoring to an earlier version of iOS that Apple still signs, you could simply use one of the stand-alone iOS restore software available out there.

One of these apps is iMaster developed by WooTechy. After releasing an iOS software update, Apple usually stops signing the older iOS firmware version in two weeks. Apple has used this strategy to keep jailbreakers at bay. It not only releases new software updates, that fixes the vulnerabilities used by the jailbreaks, it also stops signing the older iOS firmware file, which prevents users from downgrading back to the older iOS version that can be jailbroken.

So the ability to upgrade or downgrade to an unsigned iOS firmware version can be very useful if you want to jailbreak your iPhone, iPad or iPod touch. So you could restore essentially upgrade or downgrade to iOS So please proceed with caution and at your own risk. Read this tutorial thoroughly over and over again until you can make sense of these steps. For this tutorial, I use iPhone 5s model and will refer to iOS To increase your chance of success you should have already jailbroken your iOS device and have 10GB free hard disk space.

Also, copy both iOS. To make it easy to type the command line later, you may rename the.



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