Cosa c'è nel backup di iTunes o nel backup di iCloud?

Aidan Fitzpatrick

Di Aidan Fitzpatrick

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iTunes and iCloud backups each contain a lot of data, and they're broadly similar. Apple describe what is stored in each backup type in their knowledge-based, but they don't cover off the rules that influence what is stored and when.

Status iTunes iCloud
Always stored Documents, data from third-party apps, location history, device settings, voice memos Documents, data from third-party apps, location history, device settings
Only stored if encrypted Health data, Keychain, Screen Time passcode N/A
If iCloud Photo Library disabled Photos & videos Photos & videos
If cloud-based Contacts service not enabled Contacts Contacts
If "Messages in iCloud" not enabled Messages Messages
Never stored Email, Apple Pay data, Face ID and Touch ID settings, iTunes or iCloud Music Library Music, Apple Books Email, Apple Pay data, Face ID and Touch ID settings, iTunes or iCloud Music Library Music, Apple Books

If you are using iTunes backups and your backup is not encrypted, it won't contain Health data or saved passwords (ie. your Apple Keychain and Screen Time passcode). If you are using an encrypted iTunes backup, it will be broadly similar to an iCloud backup in terms of its content.

Dati contenuti in un backup di iTunes o iCloud

  • Documenti
  • Dati da app Apple integrate: note, calendario, messaggi (iMessage, SMS, MMS), cronologia chiamate, cronologia browser Safari, foto, video, segreteria telefonica
  • Dati da app di terze parti che lo memorizzano nel backup. In pratica, questa è la maggior parte di loro. WhatsApp, Kik, Hike, Viber, WeChat, ecc. Memorizzano tutti i dati più ricchi nei backup.
  • Dati sulla cronologia delle posizioni
  • Impostazioni dispositivo e rete
  • Portachiavi, portachiavi e dati di password
  • Un sacco di dati forensi

Si noti che è possibile configurare manualmente i backup in modo da non includere alcuni di questi dati.

Dati non inclusi in un backup di iTunes o iCloud

  • Messaggi di posta elettronica dall'app Apple Mail predefinita
  • La tua musica e video su iTunes
  • I tuoi file di installazione dell'app ( .IPA ) per .IPA
  • Touch ID e dati ID viso

Abbiamo una guida su ciò che ciascuno dei file in un backup di iTunes sono .

Why might data be missing from an iTunes or iCloud backup?

Choices you make with Apple's services can affect the types of data that are stored in your backups. For example, if you enable iCloud Photo Library, that service will act as the main store of your photos and videos. Yes, they'll be synced on your phone if you use it, but they won't all necessarily be backed up, irrespective of whether you choose "Optimise iPhone Storage" or "Download and Keep Originals".

This seems odd at first, but it makes sense when you think about it: if Apple are storing all of your photos in iCloud Photo Library, would you also want them to store a duplicate of all of your photos in a backup? After all, your iPhone wouldn't be the primary home for that data: the iCloud is. So including them in an iTunes backup would slow down the backup process, and eat up your storage space, and backing them up in the iCloud would essentially mean each of your photos was stored twice.

Enabling following services will mean data isn't always stored in your backups:

  • iCloud Photo Library -- as your photos and videos will be stored in iCloud Photo Library and only synced with your phone when needed.
  • iCloud or Gmail Contacts -- as your contacts will be stored in the cloud and synced with your iPhone when needed.
  • Messages in iCloud -- as older messages may be removed from your iPhone and stored in the iCloud, and thus won't be on your phone to be backed up.

The free version of iPhone Backup Extractor will let you easily examine your backup, if you're concerned that it might be missing data. If you'd like to read more, we've got articles on key files in iTunes backups and where apps stored data in iTunes backups.

Circa l'autore

Aidan Fitzpatrick founded Reincubate in 2008 after building the world's first iPhone data recovery tool, iPhone Backup Extractor. He's spoken at Google on entrepreneurship, and is a graduate of the Entrepreneurs' Organisation's Leadership Academy.

Reincubate's CEO presso Buckingham Palace

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