![]() See About encrypted backups in iTunes - Apple Support for details. The password might be any computer, Apple ID, Wi-Fi password or device PIN that you've used in the past, working from the assumption that you might have reused a common password that you were using when you first activated encryption. The setting is stored on the device itself, so persists even if you delete your current backup set or switch to a new computer. The only way to use an encrypted backup or turn off backup encryption if currently enabled is with the password that was entered when it was set up. To my way of looking at it, by providing no obvious means of dealing with a lost iOS backup encryption password, Apple has "soft bricked" my device. Everything I'm backing up is going to an encrypted file system anyway, and surely iTunes could know that. I shouldn't need another password, and I shouldn't need to choose between backing up all of my data with yet another password, or having a partial backup (no passwords, no healthkit, etc.) that drops all of my creds. I'm backing up to a laptop that has an encrypted filesystem. ![]() I will add that this entire "encrypted backup" story is poorly thought out. iOS should offer a way to drop the existing backup password on the device so that I can start over with a clean backup. I have biometric/passcode unlock access to the physical iOS device, and login access to the macOS instance running iTunes. ![]() This is clearly not well thought out and is a somewhat shocking UX failure from a company that, to my understanding, still somewhat prides itself on its abilities there. In effect, this means that if you lose your backup password, you can not only never restore from your existing backups, but you can never create new ones from which you could. When you plug the device in afterwards, it still has the "Encrypt Backup" option set. ![]() However, it appears that the password is encoded in the iOS device - removing your existing device backups via the Preferences pane in iTunes does not allow you to start again with a new password. I understand that, having lost (via a machine upgrade) the keychain persisted iPhone backup password, that I cannot access the existing backups. This question deserves a more thorough reply. ![]()
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