Losing years of WhatsApp chats is one of those things people only think about the day after it happens. Photos from a group holiday, a voice note from a relative, the address someone sent you in 2021: all of it lives in one app, and most people have never checked whether their backup is actually working.
This is the full picture: how backups work on Android and iPhone, how to restore one properly, why moving between the two platforms is its own separate headache, and the encryption setting that can lock you out of your own history forever.
The quick answer: WhatsApp on Android backs up to Google Drive; WhatsApp on iPhone backs up to iCloud. The two are not interchangeable. An Android backup cannot be restored onto an iPhone or vice versa. To restore, you uninstall and reinstall WhatsApp, verify the same phone number, and accept the restore prompt during setup. That prompt appears only once. If you skip it, you must uninstall and start again. Moving between Android and iPhone requires a dedicated transfer process over a cable or QR code, done during initial phone setup, not a cloud backup. If you’ve enabled end-to-end encrypted backups, you need your password or 64-digit key to restore, and there is no recovery route if you lose it. Check your backup is actually running before you need it.
How WhatsApp backups actually work
WhatsApp keeps two separate things: the chat database, and the media. Both are backed up, but they behave differently and it’s worth knowing which is which.
On Android, WhatsApp also writes a local backup to your phone’s own storage every night, typically in the early hours. It keeps roughly a week’s worth. This local copy is what saves you if the cloud backup fails, but it lives on the phone, if you lose the phone, you lose it too.
The cloud backup is the one that matters for disaster recovery. On Android that’s Google Drive, tied to the Google account you pick. On iPhone it’s iCloud, tied to your Apple Account.
One change caught a lot of Android users out: WhatsApp backups on Google Drive used to be free and not counted against your storage quota. That’s no longer the case. They now consume your Drive allowance like anything else. If you’re on the free 15GB tier and your WhatsApp history is large, backups can silently start failing. If you’re constantly fighting for space, our guide on freeing up storage on Android is worth a read.
Setting up and checking your backup on Android
Open WhatsApp, go to Settings → Chats → Chat backup. From there:
- Google Account: pick which account holds the backup. Choose carefully; you’ll need access to this exact account to restore.
- Back up to Google Drive: set the frequency. Daily is the sensible default. “Only when I tap Back up” means you’ll forget, so avoid it.
- Back up over: Wi-Fi only, or Wi-Fi and cellular. Wi-Fi only unless you have a generous data plan.
- Include videos. This is off by default and it’s the reason people restore a backup and find their videos gone. Turn it on if your videos matter to you. It will make backups much larger.
The screen shows the date and size of your last backup. Check it now. If the date is months old or the size looks implausibly small, something’s broken: usually a full Drive, a signed-out Google account, or a battery optimisation setting killing the process.
Setting up and checking your backup on iPhone
Same idea, different plumbing. Go to Settings → Chats → Chat Backup. Set auto-backup frequency and choose whether to include videos.
The catch on iPhone is iCloud storage. The free tier is small, and a WhatsApp backup with media can exceed it easily. Check in your iOS settings that WhatsApp is enabled for iCloud and that you actually have room. A backup that can’t complete just quietly doesn’t.
How to restore a WhatsApp backup
The critical thing to understand: the restore prompt appears only during first-time setup. There is no “restore now” button inside a running WhatsApp. If you tap past it, your only route back is to uninstall and reinstall.
The process:
- Make sure the new device is signed into the same Google account (Android) or Apple Account (iPhone) that holds the backup.
- Install WhatsApp.
- Verify with the same phone number that made the backup. A different number will not find it.
- WhatsApp detects the backup and offers to restore. Tap Restore.
- Chats come back first, then media downloads in the background: potentially for hours on a large history.
Don’t panic if photos in old chats show as blurry placeholders straight after restoring. That’s the media still downloading. Leave the phone on Wi-Fi and charging and let it finish.
If no backup is found
Run through this list: wrong Google or Apple account, wrong phone number, backup made on the other platform, or a backup that was never actually completing in the first place. Also check the account still holds the file: Google deletes WhatsApp backups that haven’t been updated in a long stretch of time.
On Android, if the cloud backup has vanished but you still have the old phone, the local nightly backup on the device storage can be used instead. It requires a file manager and moving the backup folder to the new phone before installing WhatsApp, and it only works Android-to-Android.
Android to iPhone, and iPhone to Android
This is the part that confuses everyone, so let’s be blunt: cloud backups do not cross platforms. A Google Drive backup will never appear on an iPhone. An iCloud backup will never appear on an Android phone. No setting changes this.
WhatsApp does support cross-platform transfer, but it’s a live device-to-device transfer, not a backup restore, and it has to happen during the new phone’s initial setup.
Android to iPhone: Uses Apple’s Move to iOS app during iPhone setup. The iPhone must be new or freshly reset. You install Move to iOS on the Android phone, follow the pairing code, and choose to include WhatsApp data. WhatsApp on the Android phone hands its data over, then you install WhatsApp on the iPhone, verify the same number, and it picks up the transferred data.
iPhone to Android: Uses WhatsApp’s built-in transfer, initiated during Android setup, usually with a USB-C cable between the two phones and a QR code scan. Your new Android phone needs to be at the setup stage, if you’ve already finished setting it up, factory reset it or you can’t do this.
Both directions share the same brutal requirement: the new phone must be at initial setup. There’s no way to do it afterwards without wiping. If you’re planning a platform switch, sort WhatsApp out before you set anything else up. For the wider picture of a phone move, see our guide on transferring everything to a new Android phone.
End-to-end encrypted backups: read this before enabling
By default, your WhatsApp backup sits on Google Drive or iCloud protected by that provider’s security, not by WhatsApp’s encryption. WhatsApp offers an optional end-to-end encrypted backup, secured either by a password you choose or by a 64-digit key it generates.
Turning it on is a genuine privacy upgrade. Nobody (not Google, not Apple, not WhatsApp) can read the backup contents.
It also comes with a warning that people ignore: if you forget the password and don’t have the 64-digit key, your backup is permanently unrecoverable. There is no reset link, no support ticket, no recovery. The whole point is that WhatsApp doesn’t hold the key.
If you enable it, store the key somewhere you’ll actually still have in three years. A password manager, ideally. Not a note in the phone you’re backing up.
A word on modified WhatsApp clients
You’ll see unofficial WhatsApp clones advertised with extra features and their own backup tricks. Avoid them entirely. They’re built by unknown parties, they break WhatsApp’s encryption guarantees by routing your messages through code you can’t inspect, and using one risks a permanent account ban. Worse, their backups typically aren’t compatible with official WhatsApp, so if the account gets banned or the clone stops working, your chat history goes with it. Stick to the official app from the Play Store or App Store.
Frequently asked questions
Does WhatsApp backup include my media and voice notes?
Photos, voice notes and documents are included by default. Videos are not. There’s a separate “include videos” toggle that’s off unless you enable it. Plenty of people restore a backup and discover their videos missing for exactly this reason. Turn it on before you need it, and expect a much larger backup.
Can I restore a WhatsApp backup to a different phone number?
No. The backup is tied to the number that created it, and restoring requires verifying that same number. If you’re changing numbers, use WhatsApp’s change number feature on your existing phone before you switch devices. That migrates your account and history to the new number properly.
How long does WhatsApp keep backups on Google Drive?
Backups that stop being updated eventually get removed. Google clears WhatsApp backups after an extended period of inactivity, typically around a year. If you stop using a phone and assume the backup will sit there indefinitely, it won’t. Keep the backup refreshing or export what matters.
Can I read my WhatsApp backup file on a computer?
Not in any straightforward way. The backup database is encrypted and isn’t designed to be opened outside WhatsApp. If you want a readable copy of a specific conversation, use WhatsApp’s own export chat feature instead, which produces a text file plus attachments you can open anywhere. Treat any tool claiming to decrypt WhatsApp backups with heavy suspicion.
Shivam has been working as a Tech journalist since 2014. He has worked at many Tech news blogs and Amazon India after that he joined TheLeaker in 2017 as a staff writer and now he’s an editor on the portal. When he is not working, you can find him playing games and listening to pop music. You can find him on Facebook and Twitter and can also contact him via email at [email protected]