Computer Repair · October 26, 2026 · ComputerKing Team

iPhone Won't Turn On or Stuck on the Apple Logo: A Data-First Recovery Order

An iPhone that will not turn on does not necessarily mean your data is gone. This article explains how to tell a black screen, a stuck logo, a boot loop, and a connect-to-computer screen apart, and why charging, force restart, and Recovery Mode Update must come before Restore and DFU.

Key Summary

An iPhone that will not turn on does not necessarily mean your data is gone. What matters is the order: first identify whether you are seeing a black screen, a stuck logo, a boot loop, or a connect-to-computer screen, then work from steps that keep your data, trying Recovery Mode Update before any step that erases the phone.

Introduction

The following scenario is hypothetical, not a real case: you wake up in the morning and your iPhone will not respond to anything, or after an update it sits on the Apple logo and never reaches the home screen. What worries most people is not the phone itself, but whether the photos, messages, and files inside are still there.

This article covers one topic only: how to rescue a phone that will not start, in the order that protects your data best. The full steps for recovering deleted photos and restoring WhatsApp from backup are already covered in another article on this site, so they are not repeated here; they are linked where they are relevant. As for cost, this article says "individual quotation required" throughout, because the real situation can only be known after inspection, and no single price fits every phone.

1. First, work out which kind of "won't turn on" you are facing

"Won't turn on" is actually four quite different situations, and using the wrong method can waste your effort or, worse, erase your data yourself. Before you do anything, match what you see to the table below.

Table 1: Four kinds of "won't turn on"

A progress bar deserves special care: during an update, restore, or migration, a slow bar is normal, and interrupting it is the easiest way to damage the system. Only the cases with a completely still screen are worth intervening in.

2. Stop points before you touch anything

No matter how urgent it feels, do not do the following:

1. Do not press Restore or Erase All Content and Settings straight away. Both erase the data on the phone. In Recovery Mode, Update and Restore are two different buttons, and pressing the wrong one cannot be undone.

2. Do not use an unknown third-party "one-click repair" tool. Some tools ask for your Apple Account password, or erase the whole phone without telling you. A high-risk step that Apple's own documentation does not mention should not be treated as a shortcut.

3. Do not keep charging and powering on a phone that is still hot or may have been exposed to liquid. Heat and liquid are hardware problems, and repeated attempts can widen a short circuit. In that case, stop and hand it over for inspection.

4. Do not set the phone up as new before you have worked out the backup situation. Once you finish setting it up as new, the phone may automatically make a new backup, disturbing the order of the older backup you wanted to restore. This trap was already flagged in the backup article on this site, and it is repeated here because it is easiest to fall into when a phone will not start.

5. Do not hand your Apple Account password to anyone who offers to "unlock" the phone for you. Neither Recovery Mode nor a restore bypasses the passcode or Activation Lock, and services that claim to bypass them are very likely scams.

Remember one principle: every step that keeps your data comes first, and every step that erases data comes last. The order below follows that principle.

3. Step one: charging and checking the charging equipment

It sounds too simple, but many "won't turn on" phones are simply out of power. According to Apple's official documentation, if the device still will not turn on, you should plug it in and let it charge for up to one hour, then try again.

How to do it:

1. Use an original or certified cable and charger, plugged into a wall outlet, not a computer USB port, which supplies less power.

2. Wait a few minutes after plugging in. A fully drained phone may show nothing at all for the first few minutes, and that is normal.

3. If nothing appears after an hour, try a different cable, a different charger, and a different outlet, to rule out faulty charging equipment.

4. Check whether lint or debris is blocking the charging port. Clear it only with a soft, non-conductive tool, gently. Never use a metal pin, which can scratch the contacts or cause a short circuit.

If a charging screen appears, the power path is still working, and the problem is more likely in the system or in an ageing battery, so you can move to the next step. If nothing appears after trying known-good equipment, and the phone stays completely black, the problem is more likely hardware, and you should stop and hand it over for inspection rather than trying again and again.

4. Step two: force restart (does not erase data)

A force restart is Apple's documented method for a device that does not respond at all: it forces the phone to restart. A force restart does not erase the content on the device. It is a completely different thing from Erase All Content and Settings, so do not confuse the two.

Table 2: Force restart by model

Practical points:

• The final hold on the Side button may take longer than 10 seconds before the logo appears, so do not release it too early.
• During a force restart, a "slide to power off" prompt may flash by. Ignore it and keep holding until the logo appears.
• If the phone starts normally after a force restart, the earlier problem was only a temporary system freeze. The first thing to do after it starts is to check that your backup is up to date, as described in Section 8.
• If it returns to the same stuck screen, or keeps restarting in a loop, do not repeat the force restart a dozen times. It will not help, and it may make things worse. That is the point to move into Recovery Mode.

5. Step three: Recovery Mode — choose Update first, never Restore first

Recovery Mode is the state that lets a computer reinstall iOS when a phone cannot start, cannot update, or cannot restore. Entering Recovery Mode does not itself erase data. What decides whether your data survives is whether you click Update or Restore on the computer.

Entering Recovery Mode (iPhone 8 or later)

1. Connect the iPhone to a computer. On a Mac, use Finder; on Windows, use the Apple Devices app; older setups use iTunes.

2. Perform the force restart sequence, but keep holding the Side button past the Apple logo, until the computer-and-cable screen appears. That is the Recovery Mode screen.

3. The computer will ask whether you want to Update or Restore.

4. Choose Update first. Update reinstalls iOS without erasing your data. If it succeeds, your data should still be there when the phone starts again.

5. If the computer takes more than 15 minutes to download iOS, the phone may leave Recovery Mode on its own. Do not panic: let the download finish, then repeat the steps above to re-enter Recovery Mode, and the computer will continue where it left off.

Update versus Restore

If Update fails, only then consider Restore. Before pressing Restore, you must confirm three things, and if any one is missing, do not press it:

1. Is there a backup? Use another device to sign in to iCloud and check the date of the most recent backup, or check whether the computer holds a backup of this phone. An old backup means everything since that date will be missing after the restore, and that cost has to be weighed in advance.

2. Do you remember your Apple Account password? After a restore, the phone will ask you to sign in with the Apple Account originally used to set it up. That is Activation Lock, and a restore does not bypass it. If you have forgotten the password, reset it first; do not rely on a restore to "unlock" the phone.

3. Do you remember your computer backup encryption password? If you previously made an encrypted backup on a computer, you cannot restore that backup without its password. According to Apple's official documentation, Apple cannot recover a forgotten encrypted backup password for you; resetting the password only affects backups you make afterwards, and the old backup stays locked.

6. Step four: DFU Mode — ordinary users should not try it casually

DFU, short for Device Firmware Update mode, is a deeper state than Recovery Mode: the phone screen stays completely black, showing nothing, while the computer can still detect the phone. Because it bypasses the normal startup process, entering DFU demands precise timing, and it is easy to mistake a black screen for Recovery Mode when it is not.

For ordinary users, two points are enough:

1. DFU only comes into consideration after Recovery Mode has been fully tried. DFU itself does not repair the phone; it only lets a computer perform a deeper restore, and a restore always erases data.

2. If you have no backup, a DFU restore means giving up the data on the phone yourself. Trying DFU before Recovery Mode, when there is no backup, is the least recommended approach in this article.

Some online guides present DFU as a "final trick" without stating the cost: after a DFU restore, with no backup, there is no official way to bring the data back. That decision should only be made after Update has been tried and the backup situation has been confirmed, not the other way around.

7. After the phone starts again: three things to do in the first hour

Many people breathe a sigh of relief when the phone starts again and do nothing, only for the problem to return days later. In the first hour after it starts, do these three things:

1. Make a backup immediately. A phone that has just failed is at its most valuable for backup. An iCloud backup or a computer backup will do; both is even safer. Before the backup finishes, do not rush to update the system or move data around.

2. Check what is still there and what is missing. Pay particular attention to photos, messages, contacts, and notes, because some of these sync through iCloud and some live only on the phone, so different sync settings give different results. If something is missing, do not immediately delete things or change settings on another device, because iCloud sync may copy the deletion across.

3. Write down what happened before the failure. For example, whether you had just updated, dropped the phone, exposed it to liquid, or run with almost no free storage for a long time. That information is very helpful for judging whether the cause is software or hardware, and it is exactly what an inspection needs.

8. Common mistakes

Mistake 1: Treating a force restart as erasing the phone

A force restart only restarts the phone and does not erase data. Erase All Content and Settings is what erases the phone. The two have completely different button sequences and locations, so do not confuse them because both names contain "restart" or "reset" in some translations. If you are unsure, stop and ask first.

Mistake 2: Pressing Restore first in Recovery Mode

Many people see Update and Restore side by side on the computer and pick Restore because it sounds more thorough. The result is that the phone is erased immediately, and only afterwards do they discover there was no backup at all. The order is always Update first, Restore last.

Mistake 3: Unplugging the phone when the progress bar seems stuck

During an update, restore, or migration, a progress bar pausing for a while is normal, especially on a phone with a lot of storage. Unplugging it or forcing it off at that moment is the most likely way to damage the system. Unless the screen has been still for a long time and meets the conditions in Apple's official guidance, give it time to finish.

Mistake 4: Thinking iCloud sync is the same as a backup

iCloud photo sync and iCloud backup are two different things. Sync copies your current state to your other devices, so deleting a photo on one device may delete it on the others too; a backup is a copy of a whole point in time, used when you restore. When a phone will not start, what saves you is a backup, not the sync state. That distinction is explained in detail in the backup article on this site and is not expanded here.

Mistake 5: Thinking that resetting a forgotten backup password unlocks the old backup

According to Apple's official documentation, resetting the password only lets you make new encrypted backups afterwards. The old encrypted backup stays locked without its password. There is no exception to this, and no tool or service that claims to bypass an encrypted backup password should be trusted.

Mistake 6: Keep charging and powering on a phone that has been dropped or exposed to liquid

Damage from liquid or impact does not repair itself no matter how many times you try. Repeated power-ups only increase the risk of short circuits and corrosion. In that case, stop, do not charge it again, and tell the inspector clearly whether it was liquid or a drop, so the inspection starts in the right direction.

9. How to be ready next time a phone will not start

Prevention has two layers: making the phone less likely to fail, and having a backup to restore from when it does.

Do right now:

• Turn on iCloud Backup, or make a computer backup regularly. At least one of the two must exist. After a backup finishes, check the most recent backup date to confirm it really ran; do not assume it ran automatically.
• If your computer backup is encrypted, write the password down somewhere you can find again. Lose the password, and the backup is effectively gone.
• A phone whose storage has been full for a long time is especially likely to fail during an update. Before updating, leave enough free space; do not force an update when only a few hundred megabytes are left.

Do regularly:

• Check battery health and storage from time to time. A battery that shuts the phone down for no clear reason should be dealt with early, not left until the phone will not start at all.
• Before updating the system, make a backup first. An update does not erase data by itself, but if the update fails, the backup is your only way back.
• Do not keep important photos and files on one phone only. A computer backup, an iCloud backup, and external storage, kept separate, mean one failed phone does not take everything with it. The ideas of snapshots and off-machine replication are explained clearly in the NAS snapshot article on this site, and readers with a NAS at home can read the two together.

Frequently asked questions

Q: My phone screen is completely black. Does that mean it is broken beyond saving?

A: Not necessarily. A black screen can mean only that the battery is flat, the cable is faulty, or the system is stuck. Follow the order in Sections 3 and 4: charge for an hour first, then force restart. Only if known-good charging equipment still gives no response at all, and the computer cannot detect the phone either, does it lean towards a hardware problem that needs inspection.

Q: Will a force restart delete my photos?

A: No. According to Apple's official documentation, a force restart only restarts the device and does not erase its content. What erases data is Restore in Recovery Mode, and Erase All Content and Settings in Settings. Do not confuse them.

Q: In Recovery Mode, why must I choose Update first?

A: Because Update reinstalls iOS while keeping your data, while Restore erases the phone and installs iOS again. Only after Update fails should Restore be considered, and before pressing Restore you must confirm you have a backup, remember your Apple Account password, and remember your computer backup encryption password. If any one is missing, do not press it.

Q: My phone keeps showing the Apple logo again and again. Does that mean I have to erase it?

A: Not necessarily. A repeating logo usually means the system fails at the same point every time it starts, and Recovery Mode Update may fix it without erasing anything. The correct order is: one force restart, then Recovery Mode Update if that fails, and only then consider Restore.

Q: Is DFU Mode stronger than Recovery Mode, so should I try DFU directly?

A: No. DFU is only a deeper restore path, it does not keep your data, and entering it demands precise timing. Ordinary users should try Recovery Mode Update and Restore in order first, and only consider DFU after the backup situation is confirmed. Trying DFU with no backup means giving up the data on the phone.

Q: I forgot my computer backup encryption password. Is there any way to restore the old backup?

A: According to Apple's official documentation, no. Resetting the password only affects backups you make afterwards, and the old encrypted backup cannot be opened without its password. The only fallback is to check whether there is another unencrypted computer backup, or an iCloud backup you can use.

Q: After a restore, the phone asks for my Apple Account password. Does that mean it is permanently locked?

A: No, that is Activation Lock working as designed. Sign in with the Apple Account originally used to set up the phone, and you can continue setting it up. If you have forgotten the password, reset your Apple Account password first; do not trust any service that claims to bypass Activation Lock.

Q: How much does inspection or repair cost, and how long does it take?

A: Individual quotation required, and the time depends on the inspection result. A phone that will not start could be a software problem, a battery problem, a charging port problem, or a board problem, and each has a completely different fix and timescale. No accurate figure can be given before inspection, and any figure given without inspection should not be trusted.

Conclusion

When an iPhone will not start, three things are enough to remember. First, identify what you are seeing: a black screen, a stuck logo, a repeating restart, or a connect-to-computer screen, because each needs a different method. Second, always work in the order that keeps your data: charging, force restart, Recovery Mode Update, and only last the steps that erase the phone, namely Restore and DFU. Third, before pressing Restore, confirm you have a backup, remember your Apple Account password, and remember your computer backup encryption password.

If charging and a force restart give no response at all, or if the phone has been exposed to liquid, dropped, or is suspected to have a hardware fault, stop there and do not keep trying steps that erase data. Whether your data survives often comes down to whether you paused and thought before pressing that button.

Sources

• Apple Support: Restart an unresponsive iPhone (force restart sequences, charging for one hour, content not erased) — https://support.apple.com/en-ph/116940
• Apple Support: About encrypted backups on your iPhone, iPad, or iPod touch (lock icon for encrypted backups, options when the password is forgotten, resetting does not unlock old backups) — https://support.apple.com/en-vn/108353
• Apple Support: If your iPhone, iPad, or iPod touch won't turn on or is frozen (earlier document number, content consistent with the force restart section above) — https://support.apple.com/en-us/HT201412
• This site: iPhone deleted photos and WhatsApp backup restore guide — https://www.computerking.hk/blog/iphone-data-recovery/
• This site: NAS snapshot retention, locked snapshots, and off-machine replication guide — https://www.computerking.hk/blog/nas-snapshot-protection/

Related articles

• iPhone deleted photos and WhatsApp recovery: iCloud and computer backup restore guide — https://www.computerking.hk/blog/iphone-data-recovery/
• NAS snapshot setup: retention, locked snapshots, and off-machine replication guide — https://www.computerking.hk/blog/nas-snapshot-protection/