Home/Repair Library/Apple logo
Protect the data pathiPhone startup

iPhone stuck on the Apple logo—or restarting in a loop

By Samuel — owner & device repair technician · Published

A frozen logo, stalled progress bar, and repeating boot loop look similar but call for different decisions. Start with the pattern before choosing Update or Restore.

Direct answer: Force-restart the iPhone once using the correct button sequence. If it returns to the logo, connect it to a Mac or PC, enter recovery mode, and choose Update first when offered. Update attempts to reinstall iOS without erasing your data; Restore erases the phone.
iPhone being inspected after a startup failure
Startup diagnosisThe safest next move depends on whether iOS is stalled, looping, or losing stable power.

The Apple logo appears before the phone is fully usable, so it proves only that some power and startup functions are working. The failure can be a stalled software update, damaged system files, a storage problem, unstable power, a failed connected part, liquid damage, or board-level trouble. Do not buy a battery or screen based on the logo alone.

First, identify what it is actually doing

Logo with a moving progress barIf this appeared during an update, restore, or phone-to-phone transfer, leave it connected to power and let it work. Interrupting active progress can create a larger software problem.
Progress bar has not moved for an hourApple treats this as stalled. Recovery mode and an Update attempt are the next data-conscious steps.
Logo appears and disappears repeatedlyThis is a boot loop. Note the timing and whether it began after a drop, liquid, repair, storage-full warning, update, or part replacement.
One motionless logo indefinitelyTry one force restart. If it returns to the same state, move to recovery mode rather than repeating restarts all day.
Low-battery icon insteadThis is a charging path first. Use a known-good wall charger and cable, and allow time before attempting startup.

Force restart once

8+
iPhone 8, SE (2nd/3rd generation), X, and later

Quickly press Volume Up, quickly press Volume Down, then hold the Side button. Keep holding until the Apple logo appears; it can take longer than ten seconds.

7
iPhone 7 and 7 Plus

Hold the Side button and Volume Down together until the Apple logo appears.

6s
iPhone 6s, first-generation SE, and earlier

Hold the Home button and Side or Top button together until the Apple logo appears.

If it boots, make a current backup before doing anything else. A successful restart clears a software freeze, but repeated episodes still deserve investigation.

Button timing matters. On newer iPhones, Volume Up and Volume Down are quick presses—not holds—followed by holding only the Side button.

If it comes back to the logo: use recovery mode

  1. Use a reliable cable and connect the iPhone directly to a Mac or Windows PC—not through an uncertain hub.
  2. Open Finder on a current Mac. On Windows, open the Apple Devices app or current iTunes where applicable.
  3. Perform the same model-specific button sequence, but keep holding until the recovery-mode screen appears—not merely the Apple logo.
  4. When the computer offers Update or Restore, choose Update first.
  5. Leave the phone connected while the software downloads and installs.

If the download takes long enough for the phone to leave recovery mode, let the download finish, then put the phone back into recovery mode and try Update again.

Restore erases the iPhone. It may solve software corruption, but it is not the next click when unbacked-up photos, messages, authenticator access, or other data matter.

Choose the path based on the value of the data

You have a current backupAfter Update fails, Restore may be a reasonable software test because your data can be recovered from the backup.
No backup, data mattersStop before Restore. Diagnosis should determine whether the failure is repairable while preserving the existing storage and logic board.
Not sure a backup existsCheck iCloud from another signed-in Apple device or account access before erasing. Do not assume automatic backup was enabled or current.
Phone appears on a trusted computerIf Finder or Apple Devices offers a normal backup and the phone remains stable enough, attempt that before riskier software steps. A locked phone may still require its passcode and prior trust relationship.

Signs this may not be a software-only problem

  • The loop began immediately after a hard drop, liquid exposure, or repair
  • The phone becomes unusually hot, swells, smells, or restarts faster while charging
  • The computer repeatedly disconnects or reports different errors
  • Update fails more than once with a reliable cable, port, computer, and internet connection
  • The phone boots only when a particular flex, camera, charging assembly, or other part is disconnected by a technician
  • It had storage-full warnings or severe instability before the loop

A technician may test power behavior, battery condition, charge current, connected components, and board communication. The goal is to identify the fault before replacing parts or erasing data.

What to send with the phone

  • Exact model and storage capacity if known
  • Whether it shows a still logo, progress bar, or repeating loop
  • What happened immediately before it started
  • Any recovery-mode error number
  • Whether a current backup exists and how important the data is
Data matters and Update failed?

Stop before Restore. Send the model, startup pattern, history, and any computer error.

Ask before erasing

FAQ

How long should I wait on a progress bar?

If the bar is moving, let it continue. Apple says to use recovery steps when it has not moved for at least one hour.

Does Update keep all my data?

Update is designed to reinstall iOS without erasing, but no repair or software operation can guarantee data. Restore explicitly erases the iPhone.

Why does it boot-loop after a screen repair?

A damaged, incompatible, incompletely connected, or uncalibrated part can contribute, but software and unrelated faults remain possible. Return to the repairer and describe exactly when the loop began.

Should I keep force-restarting it?

No. One correctly performed restart is a useful test. Repeating it does not repair persistent software, storage, power, part, or board faults.

Sources and notes

The steps and button sequences are based on Apple’s current support instructions. Hardware possibilities are diagnostic categories, not a remote verdict about a specific iPhone.