Before you unscrew a single bolt or hand your phone to a shop, back it up. A repair can go perfectly and still cost you data if a battery gets disconnected mid-write, a part swap resets settings, or the phone simply refuses to boot afterwards. This guide walks Australian owners through backing up an iPhone or Android properly so that, whatever happens on the bench, your photos, messages and accounts are safe. Why a pre-repair backup is non-negotiable Most repairs never touch your storage, but "most" is not "all". Disconnecting the battery, replacing a logic-board component, or a screen swap that forces a factory reset can all put data at risk, and water damage repairs are the highest-risk of all because the device may already be failing. A backup turns a potential disaster into a minor inconvenience: worst case, you restore to a new or repaired phone and carry on. It costs you ten minutes and nothing else. It also protects you if you are sending the phone away. Regional customers in WA, QLD, SA, TAS or the NT often post devices to a metro repairer, and a phone can be lost or damaged in transit. Never let your only copy of your life leave your hands. Backing up an iPhone Apple gives you two solid routes, and doing both is not overkill before a repair. iCloud backup Connect to Wi-Fi, open Settings, tap your name, then iCloud, then iCloud Backup, and choose Back Up Now. This captures app data, settings, Home screen layout, Health data and more. The catch is storage: the free tier is small, and a phone full of photos will need a paid iCloud+ plan to fit. Check the backup completed and note the time and date shown before you proceed. Computer backup A local backup to a Mac (via Finder) or a Windows PC (via the Apple Devices app or iTunes) is fast, free and not limited by cloud storage. Crucially, tick the option to encrypt the backup — only an encrypted local backup saves your passwords, Health and Wallet data. Store the password somewhere safe, because without it the backup cannot be restored. Backing up an Android Android varies by brand, but the principles are the same. Samsung, Google Pixel, Oppo, Xiaomi and others each layer their own cloud on top of Google's. Google account backup In Settings, search for Backup (often under System or Google). Turn on backup by Google One, which covers apps, call history, device settings, and can sync contacts and calendar. Make sure Google Photos is set to back up your photos and videos, and confirm it has finished uploading before the repair, not just that it is switched on. Manufacturer cloud and local copies Samsung users should also run a Samsung Cloud backup and can use Smart Switch to save a full copy to a PC, which captures more than the Google backup alone. Oppo, Xiaomi and Honor phones each have their own account-based cloud backup buried in Settings, so it is worth turning that on as a second layer. Pixel owners lean on the Google account, which is comprehensive but still worth verifying has finished. Whatever the brand, copying your photos and important files to a computer or an external drive gives you a physical backup that does not depend on any account, subscription or internet connection — invaluable if you are somewhere with patchy regional coverage before posting a phone off for repair. Don't forget the things backups miss Two-factor authentication apps. Authenticator codes may not transfer. Move them to your new device or note your backup codes before a repair that could wipe the phone. WhatsApp and messaging apps. These often keep separate in-app backups; run them manually so your chat history survives. Passwords and passkeys. Confirm your password manager is synced to the cloud, not just stored locally. Remove your accounts if the board is being replaced. Sign out of your Apple or Google account first if a repair could trigger activation lock, or the phone may be unusable afterwards. SIM and eSIM. A physical SIM is easy; an eSIM may need re-provisioning from your carrier, so know how to do that before you hand the phone over. Right before the repair: a final checklist With backups done, a few minutes of prep prevents headaches. Note down your device passcode for the technician if a shop needs it to test the repair, or better, ask whether they can test without it. Charge the phone so the repairer can power it up and verify their work. Write down the exact time of your most recent backup so you know your restore point. And record the phone's condition and any existing marks, which is simply good practice when a device leaves your possession. After the repair Do not wipe or restore straight away — first check the repair itself works: display, touch, cameras, speakers, charging and fingerprint or face unlock. If everything is good, you may not need to restore at all. If the phone was reset, restore from the backup you just made and take your time re-adding two-factor apps and re-signing into accounts. Once it is all working, a fresh screen protector and case protect the phone you just fixed; our companion DIY phone repair tools and kits guide covers the tools side if you did the work yourself. Australian data and consumer notes Under Australian Consumer Law, a repairer must take reasonable care of your goods, but no law can recover data that was never backed up, so the responsibility to protect your files is ultimately yours. Be aware too that a repairer may ask you to acknowledge that data loss is possible — a backup is your insurance against exactly that clause. Keeping your own encrypted copy also keeps your personal information private while the device is out of your hands. It is also worth knowing your broader position before a repair. If a part fitted during the repair later fails, your guarantees under the law still apply, and it helps to understand what a remedy can look like; our overview of your warranty rights on phone accessories under Australian Consumer Law sets out the basics. None of that recovers lost data, though, which is why the backup comes first. Treat it as a non-negotiable step in your repair routine, exactly like charging the phone or noting its condition, and you will never be caught out by the rare repair that goes sideways. Frequently Asked Questions Do I really need to back up if it's just a battery replacement? Yes. Even a straightforward battery swap disconnects power to the phone and, on rare occasions, can prompt a reset or a boot problem. A ten-minute backup means a worst-case outcome costs you nothing beyond a restore. What's the difference between an iCloud and a computer backup? An iCloud backup is automatic and off-site but limited by your cloud storage plan, while a computer backup is free, fast and unlimited by storage. Ticking the encrypt option on a local backup is the only way to include passwords and Health data, so many people do both before a repair. Will my authenticator app transfer automatically? Not always. Many two-factor authenticator apps do not migrate in a standard backup, so move your codes to the new or repaired device manually, or save your account backup codes first, to avoid being locked out. Should I remove my Google or Apple account before a repair? If the repair could involve replacing the logic board or a factory reset, signing out of your account first prevents activation lock from making the phone unusable afterwards. For a simple screen or battery job it is usually unnecessary, but ask the repairer. Is my data protected by law during a repair? Australian Consumer Law requires a repairer to take reasonable care of your device, but it cannot restore data that was never backed up. Making your own backup is the only reliable protection, and an encrypted copy also keeps your information private while the phone is away. Backed up and ready to open the phone yourself? Pair this with our DIY phone repair tools and kits guide so you have the right gear on the bench before you start. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Do I really need to back up if it's just a battery replacement?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Even a straightforward battery swap disconnects power to the phone and, on rare occasions, can prompt a reset or a boot problem. 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