WhatsApp backup: How to back up and restore your messages

Years of conversations, photos, and voice notes live in your WhatsApp chats – on the app 3.3 billion people use, none of it is backed up until you say so. A WhatsApp backup is a copy of your chat history stored in Google Drive (Android) or iCloud (iPhone), and it’s the difference between a new phone that feels like home and one that starts from zero.

The good news? Setting it up takes two minutes, it can run automatically every night, and since WhatsApp added end-to-end encrypted backups, your cloud copy can be locked so that nobody – not WhatsApp, Meta, Google, or Apple – can read it.

In this guide, we’ll break down how to back up WhatsApp on Android and iPhone, how to turn on encryption, how to restore your chats on a new phone, and the cross-platform catches worth knowing before you need them.

WhatsApp stores your chat history on your phone, not on its servers – messages pass through in transit but don’t live in the cloud by default. A backup exports that local history to your linked cloud account:

• Android → Google Drive, tied to the Google account you choose.
• iPhone → iCloud, tied to your Apple ID.

You choose the frequency (daily, weekly, monthly, or manual), whether videos are included (they’re the bulk of the size), and whether the backup is end-to-end encrypted. Media also counts against your cloud storage quota on both platforms – worth knowing before your first “storage full” surprise.

1. Open WhatsApp and go to Settings → Chats → Chat backup.
2. Tap Back up to Google Drive and pick a frequency (daily is the safe default).
3. Choose the Google account to store it in.
4. Toggle Include videos if you want them (and have the Drive space).
5. Tap Back up to run the first one immediately – leave the phone on Wi-Fi and charging for a big first backup.

6. Open WhatsApp and go to Settings → Chats → Chat Backup.
7. Tap Auto Backup and pick a frequency.
8. Toggle Include Videos as needed.
9. Tap Back Up Now for the first run – iCloud needs enough free space, and iCloud Drive must be enabled in iOS Settings.

By default, a cloud backup is protected by your Google or Apple account security – meaning anyone who gets into that account could restore your chats. End-to-end encryption closes that door: the backup is locked with a passkey, a password, or a 64-digit key that only you hold.

10. Go to Settings → Chats → Chat backup → End-to-end encrypted backup.
11. Tap Turn on and create a password (or generate the 64-digit key).
12. Store it somewhere real – a password manager, not a screenshot.

One serious caveat, straight from WhatsApp’s documentation: lose the password or key, and nobody can recover the backup – WhatsApp can’t reset it, and neither can Google or Apple. That’s the entire point, and the entire risk. Treat the key like the contents it protects.

Worth knowing while you’re here: encryption in transit and encryption of backups are separate layers – the same distinction that matters in WhatsApp’s security model for businesses. Turning on encrypted backups closes the last commonly open door.

On your new (or reset) phone:

13. Install WhatsApp and verify the same phone number the backup belongs to.
14. Sign in to the same Google account (Android) or Apple ID (iPhone).
15. When prompted, tap Restore – enter your encryption password or key if the backup is end-to-end encrypted.
16. Let it finish before heavy use; media trickles in after messages.

The restore prompt appears once, during setup. If you skipped it, the clean fix is to reinstall WhatsApp and go through setup again.

The big limitation to know before you switch phones: cloud backups don’t cross platforms. An iPhone can’t restore a Google Drive backup, and Android can’t restore from iCloud.

Switching platforms instead uses WhatsApp’s chat transfer – a direct phone-to-phone move (both devices on, same Wi-Fi, QR code pairing) built into device setup. It moves your history without the cloud entirely. The corollary: keep your old phone until the transfer is confirmed, not just the backup.

A phone backup protects a personal archive – it is not a business continuity plan. If customer conversations are business records, the answer isn’t a bigger Google Drive: it’s running those conversations on the WhatsApp Business Platform, where chats live in a shared inbox through a platform like Sinch Engage, sync to your CRM and other tools, and survive any single phone. The free WhatsApp Business app backs up like the consumer app – phone-bound, with the same platform limits – which is one of the signals teams have outgrown it.

Phone upgrades are where backup regret happens, so run this list the night before:

17. Run a fresh manual backup (Settings → Chats → Chat backup → Back up) and confirm the timestamp.
18. Confirm you know your encryption password or key – actually retrieve it from your password manager; don’t assume.
19. Same platform? Cloud restore works. Switching platforms? Plan for chat transfer instead, and keep both phones until it completes.
20. Check cloud storage headroom – a full Drive or iCloud silently fails backups.
21. Note your number: backups restore to the same phone number, so port the number before restoring, not after.

Five minutes here beats every recovery tool ever written.

The two-minute version: turn on daily backups, turn on end-to-end encryption, store the key in a password manager, and remember that platform switches use chat transfer, not the cloud. Do it today – every backup guide is read most often one day too late.

And if the chats you’re protecting are customer conversations, that’s your sign to move them somewhere built for it. Check out the WhatsApp Business Platform with Sinch, or talk to our team about getting business chats off a single phone!

Author: Drew Wilkinson Drew Wilkinson is a Marketing Operations Manager at Sinch. Prior to Sinch, Drew also led marketing at SimpleTexting, a texting platform for small businesses.