Typically, photos, videos, contacts, calendar entries, app data, and device settings are backed up. Depending on the provider and settings, messages or call logs may also be included. Users can usually choose which categories to include.
Audio & media
Cloud Backup: Definition & explanation
In a nutshell
A cloud backup automatically stores photos, contacts, and app data on a provider's remote servers. This keeps data safe even if the device is lost or damaged and allows restoration on new devices.
How does Cloud Backup work?
With a cloud backup, the smartphone transfers data such as photos, videos, contacts, calendars, app settings, and sometimes messages over the internet to a cloud provider's servers (e.g., Google Drive, iCloud, Samsung Cloud), typically encrypted. This usually happens automatically in the background once the device connects to Wi-Fi and there's enough storage available in the cloud account. Users can configure which data types are backed up and how often—often daily or with every change.
When setting up a new device or after a factory reset, the backup can be easily restored: after signing in with the cloud account, the device downloads the stored data and largely recreates the previous state. Storage capacity is limited depending on the provider and plan—free tiers often only cover basic data, while large photo libraries require additional paid storage.
Data security depends on encryption during transfer and storage, as well as the provider's trustworthiness regarding privacy practices and server location.
Advantages of Cloud Backup
- Automatic protection against data loss
- Easy restoration on new devices
- Access from multiple devices
- No manual backup needed
- Protection against theft or damage
Disadvantages of Cloud Backup
- Limited free storage space
- Requires internet connection
- Ongoing costs for larger storage needs
- Privacy concerns depending on provider
- Restoration can be slow with large data volumes
Frequently asked questions
Reputable providers encrypt data during transfer and storage, offering a solid level of security. However, security also depends on your own password protection and two-factor authentication. For maximum control, look for providers offering end-to-end encryption.
The required storage mainly depends on the number of photos and videos. Free tiers usually range from 5 to 15 GB, which is enough for basic data but fills up quickly with large media collections. Additional storage can typically be purchased for a monthly fee.
Guides with Cloud Backup
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