If the phone still powers on, unlocks, and responds long enough to complete a few steps, back it up before you keep using or troubleshooting it. If you cannot control it, first check whether an earlier cloud backup or synced copy already contains the data you need.
Do not restart, reset, or keep experimenting until you have checked the best option that is still available. A restart can require a passcode, and a reset can remove the local data you were trying to protect.
Start with what the phone can still do
Display and touch still work
Connect the phone to power, then use the platform steps below. Start with the copy that protects the data you need most, and confirm it before you continue using the phone or arrange repair. A cracked screen can fail later, even if it is usable now.
Display works but touch is unreliable
Use the part of the screen that still responds to start a backup now. Avoid rotating through menus or testing the dead area until the backup is confirmed. If one strip or corner no longer responds, read touch dead zones.
Screen is black but the phone is still on
First check for an existing iCloud, Google, photo, file, or app-specific cloud copy from another signed-in device or account. Do not enter passcodes blindly. A new manual backup may be blocked if the phone cannot be unlocked or approve a prompt.
Phone taps by itself, flickers, or shuts down
Random taps can dismiss prompts or enter the wrong input. If you can still control the phone safely, start the backup immediately; otherwise stop normal use and read ghost touch after damage. A phone that shuts down before the backup completes is not stable enough for a dependable new backup.
Phone cannot be unlocked or controlled
The usual ways to create a new backup are probably closed. Check existing cloud copies first. If the phone cannot unlock, stay powered on, or confirm a completed copy, stop trying more backup tricks and move to the repair and support guidance below.
First decide what you need to save
A device backup, a photo library, and files copied to a computer protect different things. Decide what matters before you start so that you can verify the right result.
Moving to a new phone
Make a device backup first, then check whether recent photos, videos, files, and any important app-specific data are also available. A device backup may not include everything an app stores, and photo sync can be separate.
Photos and videos
Check iCloud Photos or Google Photos from another signed-in device or account before assuming a device backup contains recent media. Only items that finished syncing, and only enabled folders or libraries, will be available there.
Files, recordings, and app data
A USB transfer saves only the files you select. Check voice recordings, downloads, documents, and any important app separately when those are the data you cannot lose.
Choose the backup method that still works
iPhone
If the iPhone can still unlock and respond, make one iCloud or computer backup now. Choose a computer backup when you need a local copy or information that requires an encrypted backup.
For iCloud: connect to Wi-Fi, then open Settings > your name > iCloud > iCloud Backup and choose Back Up Now. Keep the phone connected until the latest backup date and time updates.
For a computer: open Finder on a Mac, Apple Devices on Windows, or iTunes where applicable. Select the iPhone, choose an encrypted local backup if you need Health or Keychain data, and start the backup.
Computer backup is not just a cable problem. A computer used before may still ask for a passcode or trust approval. Apple says the trust alert can appear when you back up with iOS 16 or later, and a restart requires passcode entry before biometric unlock works again. Charging or appearing in a computer’s device list does not confirm that the computer can read the data.
Check the result: look for the current iCloud backup date and time, or a completed backup in Finder, Apple Devices, or iTunes. Preserve an encrypted-backup password somewhere safe; Apple cannot recover it for you.
Android
If the phone can still unlock and accept on-screen choices, use Google device backup for supported phone data, Google Photos for media, and USB transfer only for the files you specifically copy.
For Google device backup: open Settings > Google > All services > Backup, then choose Back up now. Review Backup details to see the account and data categories included.
For photos: open Google Photos and check that the correct account is selected, the needed device folders are enabled, and the status says Backup complete.
For files: unlock the phone, select File transfer when prompted, and copy the files you need. A computer recognizing the phone or showing a charging icon is not the same as file access.
Not every app can back up or restore all of its data. If USB debugging was not already enabled and this computer was not already authorised, do not plan around it as a rescue method: Android requires the device to be unlocked and the debugging approval accepted.
Check the result: review Google Backup details, verify recent photos from another signed-in device or at photos.google.com, and open representative copied files from the destination.
Samsung Galaxy
Check the exact Galaxy model before buying hardware. Samsung’s external-display route applies only to compatible phones, generally requires Android 12 or later with DisplayPort support, and still requires you to unlock the phone.
If the display is visible but touch is not, a compatible USB mouse or keyboard may let you start a backup. If the display is unusable and the model supports external display output, connect the compatible hub, display, mouse, and keyboard, unlock the phone, then open Smart Switch. Do not assume every Galaxy supports HDMI output or DeX.
Check the result: wait for Smart Switch to report completion, then open transferred data on the receiving phone or computer. A connected cable alone does not prove the transfer finished.
Check an existing cloud copy
When the screen is black or you cannot unlock the phone, check from another signed-in device or account for the latest device backup, photos, contacts, files, and app-specific cloud data. Record the backup date and open a recent item that matters. An earlier copy can still help, but it may not include recent changes.
Make sure the backup finished
A device backup, a photo library, and a folder copied to a computer are different things. Do not restart, erase, sell, or hand over the phone for repair until you can confirm the copy you need exists somewhere other than the damaged phone.
- iCloud: check that the most recent backup date and time changed after your attempt. If you use iCloud Photos, check photos separately because iCloud Backup does not include data already syncing through iCloud.
- Finder, Apple Devices, or iTunes: make sure a completed backup appears in the backup list. If it is encrypted, save the password before the phone is repaired, replaced, or erased.
- Android and Google Photos: review Google Backup details and account, then confirm Google Photos shows Backup complete and that the recent photos or folders you need are visible elsewhere.
- Smart Switch or copied files: wait for completion, then open representative files on the new phone or computer. Charging, appearing in a device list, or starting a progress bar does not prove the data is protected.
If the screen is getting harder to use
Only part of the screen responds
Use the working area to finish the backup before trying to work around the dead area. If the failure blocks a button, keyboard key, or approval prompt, read touch dead zones before spending time on other tests.
The phone is tapping by itself
Start a backup only if you can still control the phone safely. Random taps can dismiss prompts, change settings, or lock you out. If that is already happening, stop normal use and read ghost touch after damage.
The screen flickers, goes black, or the phone shuts down
Use the next stable window for one backup attempt and confirmation. Do not keep restarting a phone that is already unstable; if it cannot stay powered long enough to finish, the normal backup option is no longer dependable.
Before you try anything else
- Do not restart or reset the phone before the needed data is confirmed somewhere else. A restart can require a passcode, and a reset can remove local data.
- Do not buy adapters before you know the phone supports the method. USB mouse, HDMI, DisplayPort, and DeX depend on the model, connection, and lock state.
- Do not treat USB debugging as a rescue method when it was not already enabled and authorised on the phone.
- Do not assume recovery software can bypass a passcode, trust approval, account security, or encryption.
When backup is no longer possible
Stop trying normal backup methods when the phone cannot unlock, cannot be controlled, cannot stay powered on, or cannot confirm a completed copy. A repair provider may be able to restore display or touch interaction when that physical layer is the blocker, but this is not guaranteed and does not remove passcode or encryption requirements. Read can a broken display be repaired before arranging service. If repair cost is the next decision, compare repair versus replacement.
After the backup is confirmed or the normal option is closed, take a clear photo of the damage and note what happened before the pattern changes. Use document damage for warranty if you need a separate evidence workflow.
Before you hand the phone over for repair
A repair may restore enough display or touch interaction to make a backup possible, but it cannot remove the phone’s security requirements. Decide how you want the shop to handle access before you leave the device.
- Ask whether the technician needs the phone unlocked to test the display or make a backup, and whether you can enter the passcode yourself or stay present.
- Keep Apple Account, Google Account, passcode, and encrypted-backup passwords private unless you have decided they are required for work you understand.
- Do not approve an erase or reset until the data you need has been confirmed somewhere else.
What this guide cannot do
ScreenDetect can help you choose the next safe action, but it cannot unlock a device, bypass encryption, inspect internal storage, approve a trust prompt, or guarantee that repair or recovery will work. If the phone cannot unlock or stay powered, the device may need service before any additional data can be reached.
Common questions
Can I back up a phone if the screen is cracked but still works?
Usually. If the phone powers on, unlocks, and touch is stable enough to navigate, start the backup now. Confirm the recent backup record or open the copied data elsewhere before you keep using the phone or arrange repair.
Can I back up an iPhone with a black screen?
Sometimes. Check iCloud Backup and iCloud Photos from another signed-in device first. A previously used computer may still require a passcode or trust approval, so a new manual backup can be blocked when the screen cannot be used.
What if my computer asks me to trust the iPhone?
The iPhone normally needs to be unlocked and the trust request approved on the phone. A cable or device name in Finder, Apple Devices, or iTunes does not itself give the computer access to the data.
Can I back up an Android phone if touch does not work?
Sometimes. If the screen is visible and the phone can still unlock, a compatible USB mouse or manufacturer-supported display method may help. USB debugging is not a fallback if it was not already enabled and this computer was not already authorised.
What if ghost touch keeps tapping by itself?
Treat ghost touch as an urgent access problem. Back up only while you can still control the phone safely. If random taps are faster than you can correct them, stop normal use and consider repair or another supported access method.
Can I get photos off a phone with a broken display?
Check iCloud Photos or Google Photos first, then verify the recent photos you need are available elsewhere. A photo library, a device backup, and a USB file copy protect different things.
When should I stop trying to back up the phone myself?
Stop when the phone cannot unlock, cannot be controlled, cannot stay powered on, or cannot confirm a completed copy. Repair or qualified support may be next, but neither bypasses a passcode or encryption.
Does ScreenDetect recover phone data?
No. ScreenDetect helps you choose a backup or access option that is still worth trying. It cannot unlock a phone, bypass encryption, inspect hardware, or guarantee data recovery.
What to do next
Read this when the phone cannot be controlled and repair may be the only way to restore normal interaction.
Compare the next decision after data is confirmed or repair becomes necessary.
Keep a clear record of the damage once backup is confirmed or the normal option has closed.
Open this when random taps make the phone unsafe to control.
Use this when only part of the touchscreen still responds.
Sources
- How to back up your iPhone or iPad with iCloud
Apple Support · Official iCloud backup steps and confirmation by most recent backup date and time. Rechecked July 23, 2026.
- Backup methods for iPhone or iPad
Apple Support · Official distinction between iCloud and computer backups, including encrypted computer backups and data that syncs separately through iCloud. Rechecked July 23, 2026.
- About the 'Trust This Computer' alert message
Apple Support · Official guidance for passcode and on-device trust approval when a computer accesses or backs up an iPhone. Rechecked July 23, 2026.
- Back up or restore data on your Android device
Android Help · Official guidance for Android backup categories, account selection, encryption, and Backup details. Rechecked July 23, 2026.
- Check your backup
Google Photos Help · Official guidance for Google Photos completion status, account selection, and folder coverage. Rechecked July 23, 2026.
- Run apps on a hardware device
Android Developers · Official USB debugging security requirements, including unlock and RSA authorisation. Rechecked July 23, 2026.
- How to transfer data from a Galaxy phone with a broken screen
Samsung Support · Official compatibility and setup conditions for external-display, input-device, and Smart Switch recovery routes. Rechecked July 23, 2026.