How to Back Up Your Phone So You Don't Lose Your Photos and Contacts

The two ways to back up a phone: cloud storage and your computer

A phone backup saves your photos, contacts, messages, and settings to a second location so you can restore them if your phone breaks, gets lost, or stops working. Most phones offer two paths: cloud backup (automatic, stored on a company's servers) or computer backup (manual, stored on a device you own). Cloud backup is simpler and happens without you thinking about it. Computer backup gives you a copy you control directly, but requires you to plug in and run the process yourself.

Which one you use depends on what you own and what you trust. Many people use both — cloud backup as the everyday safety net, and a computer backup as a second copy for the things that matter most.

Key Takeaways

iPhone users can turn on iCloud backup in Settings > [Your Name] > iCloud > iCloud Backup, and it runs automatically over Wi-Fi once a day.
Android users can turn on Google backup in Settings > Google > Manage your Google Account > Backup, and it backs up contacts, calendar, photos, and app data.
Computer backups require you to plug in your phone and run the backup manually, but they store a complete copy on a device you own.
Cloud backups are free up to a limit (5 GB for iCloud, 15 GB for Google), and cost money if you exceed that storage.
A full backup includes everything on your phone; a selective backup lets you choose what to keep, which saves storage space.

iPhone backup through iCloud

iCloud is Apple's cloud backup service, and it is the easiest way to protect an iPhone. To turn it on, open Settings, tap your name at the top, then tap iCloud. Scroll down and tap iCloud Backup. Toggle it on. Your phone will back up automatically every day when it is plugged in, locked, and connected to Wi-Fi.

iCloud backup includes your photos (unless you use iCloud Photos, which backs them up separately), contacts, calendar, reminders, notes, health data, home automation settings, and app data. It does not include music you bought from iTunes, apps themselves, or messages (unless you turn on iCloud Messages separately). The first 5 GB is free; after that, you pay for more storage through Apple.

To check what is backed up or restore from a backup, go to Settings > [Your Name] > iCloud > iCloud Backup. You can also see how much storage you are using and delete old backups if you need space.

Android backup through Google

Android phones back up to Google automatically if you are signed into a Google account. Open Settings, tap Google, then tap Manage your Google Account. Go to the Backup tab. You will see what is being backed up: contacts, calendar, SMS messages, app data, device settings, and photos (if you use Google Photos). The first 15 GB is free across all Google services; after that, you pay for more storage.

Unlike iCloud, Google backup happens in the background without requiring your phone to be plugged in — it just needs a Wi-Fi connection. You can also back up photos and videos separately using Google Photos, which has its own free storage limit. To restore from a Google backup, sign into your Google account on a new or reset Android phone, and the system will ask whether you want to restore your previous phone's data.

Some Android phones (Samsung, OnePlus, Motorola) also offer their own backup services in addition to Google. These work similarly but store data on the manufacturer's servers instead. You can use both at the same time if you want extra protection.

Computer backup for iPhone

A computer backup creates a complete copy of your iPhone on your Mac or Windows PC. This backup includes everything — apps, messages, photos, settings, and data — in a single encrypted file. To back up an iPhone to a Mac, plug it in, open Finder, click your phone's name in the sidebar, and click Back Up Now. On Windows, use iTunes or the newer Windows app called Phone Link.

Computer backups are larger than cloud backups because they include everything, including apps and their data. They also take longer — usually 10 to 30 minutes depending on how much is on your phone. But they give you a copy stored on a device you control, which some people prefer for privacy or as a second safety net alongside cloud backup.

To restore from a computer backup, plug your phone into the same computer, open Finder or iTunes, and click Restore Backup. Your phone will restart and restore everything from that backup file. This is useful if you are switching to a new iPhone and want to move everything over quickly.

Computer backup for Android

Android does not have a built-in computer backup method the way iPhone does. Instead, you can copy files manually to your computer using a USB cable. Plug your Android phone into your computer, open File Explorer (Windows) or Finder (Mac), and navigate to your phone's storage. You can drag photos, videos, and documents to your computer's hard drive.

For a more complete backup, some Android phones come with their own backup software. Samsung phones, for example, have Samsung Smart Switch, which backs up contacts, messages, app data, and settings to your computer. You can read Smart Switch from Samsung's website, plug in your phone, and run the backup. Other manufacturers like OnePlus and Motorola have similar tools.

If your phone did not come with backup software, you can use Google's Takeout service to read all your Google data (contacts, calendar, photos, Gmail) as files to your computer. This is more manual than a phone-specific backup tool, but it works for any Android phone.

What to do if you run out of cloud storage

Cloud backup stops working once you exceed your free storage limit. iCloud stops backing up when you exceed 5 GB; Google stops at 15 GB. You will see a warning on your phone when you are running out. You have three options: pay for more storage, delete old backups, or switch to computer backup.

To delete old backups and free up space, go to Settings > [Your Name] > iCloud > Manage Storage (iPhone) or Settings > Google > Manage your Google Account > Backup (Android). You can see each backup's size and delete the ones you no longer need. Keep the most recent backup and delete older ones.

If you do not want to pay, a computer backup is a free alternative. You can back up to your computer as often as you want without hitting a storage limit — as long as your computer's hard drive has space. Many people use this approach: cloud backup for everyday protection, and a computer backup once a month or before a major change.

How often to back up and what to check

Cloud backups happen automatically, so you do not have to do anything. iCloud backs up once a day when your phone is plugged in and locked. Google backs up whenever your phone has a Wi-Fi connection. You can force a backup to run when ready by going to Settings and tapping the backup option, but this is rarely necessary.

Computer backups are manual, so you decide when to run them. A reasonable schedule is once a month, or before you travel, upgrade your phone, or make a major change to your settings. If you use your phone heavily and take many photos, backing up every two weeks is safer.

Check your backup status occasionally to make sure it is actually working. On iPhone, go to Settings > [Your Name] > iCloud > iCloud Backup and look for the date of the last backup. On Android, go to Settings > Google > Manage your Google Account > Backup and check the last backup date. If the date is old, your backup may have failed — usually because your phone was not connected to Wi-Fi or power long enough.

Frequently Asked Questions

What happens to my backup if I stop paying for cloud storage?

Your backup stays on the cloud service's servers for 30 days (Apple) or 60 days (Google) after your paid storage expires. After that, it is deleted. You can read your data before the important date using Google Takeout (Android) or by restoring to a phone before the important date. Switching to computer backup beforehand avoids this problem.

Can I back up to both iCloud and my computer at the same time?

Yes. You can have iCloud backup turned on and also plug your phone into your computer to run a backup. Both will work independently. This gives you two copies — one automatic in the cloud, one manual on your computer — which is the safest approach.

Will backing up my phone use a lot of data if I am on a cellular plan?

Cloud backups only run over Wi-Fi, not cellular data, so they will not count against your phone plan. Computer backups do not use cellular data either — they use the USB cable connection. You are safe either way.

Do I need to back up my apps, or just my photos and contacts?

Apps are stored in the app store (Apple App Store or Google Play), so they read automatically when you restore from a backup. You do not need to back them up separately. Backing up your photos, contacts, messages, and settings is what matters most, and both cloud and computer backups handle these.

What if I forgot my iCloud or Google password and cannot restore my backup?

You will need to recover your account password through Apple's or Google's account recovery process. This usually involves verifying your identity through a recovery email or phone number. If you have a computer backup, you can restore from that instead while you recover your account access.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.