Who needs which backup?

People protecting irreplaceable memories

If family photos, videos or essential documents would be difficult to recreate, plan for recovery after deletion as well as a lost, broken or replaced device. The National Cyber Security Centre advises keeping a copy of important data in a separate safe location.

People using several devices

If you want photos or folders available on a phone and computer without frequent manual transfers, check the distinction between synchronisation and backup. Apple, Google and Microsoft describe different rules for what their services copy and make available across devices.

People who need a physical copy

An external drive can hold a separately managed copy of a computer library, while a compatible USB drive can help move selected files. Decide how you will make and check those copies rather than treating the presence of a drive as a completed backup.

What should you check?

Choose the recovery method before the device: decide what must survive a deletion or device loss, then check capacity, connection and the steps needed to restore it.

Concern What to check Who this matters to
A separate recovery copy Check that a local drive holds the files you need and can be stored separately after copying. The National Cyber Security Centre advises against leaving removable backup media connected. If my photos or documents cannot be recreated, I want another copy I can reach even when the original device or synchronised library is affected; roughly 33% of consumers put that separate recovery copy first.
Automatic phone recovery Check what iCloud Backup or Google Account backup includes, how photo synchronisation differs, and the available account storage. When I replace or lose my phone, I want recent data ready to restore without relying on manual transfers; around 27% of consumers prioritise automatic phone recovery.
Computer-library backup Match the destination to Windows File History or Mac Time Machine. Apple recommends a Time Machine disk with at least twice the Mac's storage capacity. My documents and imported photos also live on a computer, so protecting the phone alone would leave files behind; roughly 27% of consumers make the computer library their primary concern.
Portable file transfer Match the drive connector and file-copy method to both devices. Files by Google requires Android 7.0 or later for USB-storage access; an iPhone may need an adapter. If I mainly need to carry selected photos or documents between a phone and computer, a straightforward connection matters most; about 13% of consumers put portable transfer first.

Backup mistakes to avoid

  • Treating photo synchronisation as a separate backup

    Apple says deleting a photo in iCloud Photos deletes it across devices using the service, and photos stored there are not duplicated in iCloud Backup. A synchronised library therefore does not, by itself, provide an independently managed copy.

    Keep another copy of important photos and periodically check that you can find and restore files from it.

  • Leaving the only local backup drive connected

    The National Cyber Security Centre warns that removable media left connected to a computer or network may also be affected by ransomware.

    Once the backup has finished, eject the drive safely, disconnect it and store it separately until the next copy.

  • Overlooking what uses cloud storage

    Google says account storage is shared by Drive, Gmail and Google Photos. When the allowance is full, new photos and videos cannot be backed up to Google Photos.

    Review usage across those services and the space needed for future photos and videos before relying on continuing automatic backup.

  • Assuming a USB drive works directly with every phone

    Files by Google has an Android-version requirement for USB access, Apple notes that iPhone external storage may need an adapter, and a drive's stated maximum speed can depend on the host and cable.

    Check your exact phone, port, adapter and file-copy app before choosing a drive; assess advertised speeds against the devices you will actually connect.

Relevant brands and services

Samsung

Its T7 Shield line is relevant if you are considering a portable SSD for local copies of large file collections.

  • Samsung specifies up to 1,050 MB/s read and 1,000 MB/s write for the T7 Shield under its stated conditions, alongside IP65-rated protection under controlled testing.
  • Samsung says maximum speeds require a USB 3.2 Gen 2 host, compatible cable and UASP; liquid and dust damage is excluded from its warranty.

Kingston

Its DataTraveler microDuo 3C line is relevant when selected files need to move between compatible USB-C and USB-A devices.

  • Kingston specifies both connector types and offers this line in capacities up to 256 GB.
  • Connector choice alone does not establish that a particular phone can use the drive or that selected-file copying will cover everything needing backup.

Apple

Apple's support guidance helps iPhone and Mac owners distinguish device backup, photo synchronisation and local computer backup.

  • Apple explains that iCloud Backup covers information not already synchronised to iCloud and recommends a Time Machine disk with at least twice a Mac's storage capacity.
  • Apple says iCloud Photos deletions propagate across devices; keep an independently managed copy of photos you need to preserve.

Google

Google's backup and storage guidance is relevant to Android users choosing between account recovery and a physical copy.

  • Google says eligible Android devices can back up content, data and settings to a Google Account.
  • Restoration varies by phone and Android version. Google Account storage is shared across Drive, Gmail and Photos, and a full allowance stops new photo and video backups.

Microsoft

Microsoft's Windows guidance covers local File History copies and OneDrive-backed folders.

  • Microsoft documents File History with an external drive or network location for restoring file versions; OneDrive can make selected backed-up folders available across devices.
  • Check which folders OneDrive backs up and how cloud-only files behave before relying on it in place of a local copy.

Local storage choices on Joybuy

These SSDs, hard drives and USB flash drives are options for keeping or transferring local copies of photos and files. Pair a suitable drive with a copying and restore routine; choosing physical storage does not set up automatic phone or cloud backup.

SanDisk Portable SSD 2TB

SanDisk Portable SSD 2TB

Consider this portable SSD for a local copy of a sizeable photo or file collection. It has a stated capacity of 2TB; check your phone's connection and file-copy method if you intend to copy directly from it.

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Lexar ES4 Portable SSD Magnetic Set 1TB

Lexar ES4 Portable SSD Magnetic Set 1TB

Consider this 1TB SSD for portable copies when its connection and copying method suit your devices. Its name specifies USB 3.2 Gen 2, advertised read speeds up to 1,050 MB/s and write speeds up to 1,000 MB/s, and iPhone 15/16 compatibility; confirm the exact phone, case arrangement and file-transfer workflow before buying.

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Western Digital My Passport Ultra Portable External Hard Drive 4TB Silver

Western Digital My Passport Ultra Portable Hard Drive 4TB, Silver

Consider this 4TB portable hard drive for a computer-based copy of photos and documents. If you use a Mac or backup software, check the required file format, setup and restore process for your intended workflow.

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MOVESPEED YSUSP05-512GSR USB flash drive 512GB

MOVESPEED YSUSP05-512GSR USB Flash Drive 512GB

Consider this drive for carrying a copy of selected files between compatible devices. Its name specifies USB-A and Type-C connectors and USB 3.2 Gen 1; check your phone's USB-storage support and file-copy process rather than assuming it will make a complete phone backup.

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Western Digital WD Elements 12TB USB 3.2 Gen 1 external desktop hard drive

Western Digital WD Elements 12TB USB 3.2 Gen 1 Desktop Hard Drive

Consider this desktop drive for a large, computer-based photo and document archive rather than direct phone transfer. It has a stated capacity of 12TB; for Mac backup, check the required formatting and compare the drive's capacity with Apple's Time Machine sizing guidance for your Mac.

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Common questions

Is iCloud Photos the same as an iPhone backup?

No. Apple says iCloud Photos synchronises the library across devices, while iCloud Backup covers information not already synchronised to iCloud. Photos held in iCloud Photos are not duplicated in iCloud Backup, and deletions synchronise too, so keep another independently managed copy of important photos.

Can an Android phone copy files directly to a USB drive?

Yes, if the phone and drive can connect and the file-copy app supports the task. Files by Google says USB-storage access requires Android 7.0 or later; check the phone's port, any adapter and the files you intend to copy before choosing a drive.

How large should a drive be for Mac Time Machine?

Apple recommends a backup disk with at least twice the Mac's storage capacity and advises using that disk only for Time Machine. That recommendation applies to a Mac Time Machine backup, not every separate copy of phone photos.

What happens when Google Account storage is full?

New photos and videos cannot be backed up to Google Photos once the account reaches its storage limit, according to Google. Because Drive, Gmail and Google Photos share the allowance, review usage across all three before relying on continuing photo backup.