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Is it okay to use IPSW files downloaded from websites for example ( ipsw.me ) and then use these ipsw files to update / restore my Apple devices?
After restoring, my whole device will be wiped clean as though it is new until I restore my old files in , is that correct?
And if I only update my device with the IPSW files, no data will be lost , correct?
Thanks .
iPhone 6, iOS 9.2.1
Is there a way to download these files directly from apple then?
Is there a way to download these files directly from apple then?
Well, Apple never supports downgrade (except that a wrong file was released).
The reason is security, plain and simple.
A snippet from the White Paper:
System Software Authorization
Apple regularly releases software updates to address emerging security concerns and also provide new features; these updates are typically provided for all supported devices simultaneously. Users receive iOS update noti cations on the device and through iTunes, and updates are delivered wirelessly, encouraging rapid adoption of the latest security xes.
The startup process described above helps ensure that only Apple-signed code
can be installed on a device. To prevent devices from being downgraded to older versions that lack the latest security updates, iOS uses a process called System Software Authorization. If downgrades were possible, an attacker who gains possession of a device could install an older version of iOS and exploit a vulnerability that’s been xed in the newer version.
No, you should not use those files that are not directly from Apple.
Who knows what is added in there.
you do when apple un-sign them they will no longer work right ?
currently they only have 9.2 signed so even you download say ios7 you will not be able to use it
curiousswitcher wrote:
Is there a way to download these files directly from apple then?
According to your profile, you're already using the latest.
Yeah but I'm curious you see haha
Is it safe to download IPSW files from other websites ?
