If you have important data on your i Phone, you're suggested to back them up first.
Then, go to Settings Erase All Contents and Settings. When a windows saying "An update to the carrier settings on your i Phone is available. If you are asked to upgrade to newer version of i OS, click "Cancel".This will erase all data on your device and restore it to factory settings. Plug i Phone back to computer Once the reset process is complete, the i Phone screen will display the factory default image and show the "Slide to set up" message. Note: A jailbroken device may go into a bootloop if the users enable "Erase All Content and Settings" under "Settings" "Reset".Step 1: Backup your i OS device using i Cloud or i Tunes Step 2: Make sure that you device is plugged in, and has at least 20% battery life Step 3: Install Cydia Impactor from Cydia Step 4: Run Cydia Impactor by tapping button to confirm.Once the process begins, be sure not to touch your device until you see the i OS setup welcome screen Step 5: Once completed and at the welcome screen, go back through the initial i OS setup process and activation That’s it.You can check "Select all" to backup all data on your i Phone. Note: You are able to view the previous backup files before deciding the data to restore to your device the other time. Restore i Phone without Updating When the backup process is done, you can preview the details of the backup files. Or you can restore them to your device when you need them.
Restoring your i Phone without updating it is not that common, but people do it from time to time as a measure of keeping their current operating system installation or it can be useful as well when you don't have an internet connection.
When I tried to restore my i Pod using i Tunes 9 (the latest version), it asked me to update my software which is 3.1 to 3.1.1 and the size is 260 mb before it can restore my i Pod.
The problem is that I don't have access to internet and My cousin's wifi is too slow and the download stops everytime it reaches...
Using Recovery Mode (i Phone 7)Using Recovery Mode (i Phone 6S and Older)Using Cydia on a Jailbroken i Phone Community Q&A This wiki How teaches you how to restore a previous backup on your i Phone without updating it to the latest version of i OS in the process.
Want to remove your jailbreak without updating i OS?
It will remove all jailbreak related stuff and “unjailbreak” your i Phone.