Phones · iPhone
Apple iPhone 6 Stuck On Apple Logo
If your iPhone 6 is stuck on the Apple logo or cycling endlessly during boot, don't panic. Learn how to force restart, perform a recovery update, and identify hardware issues.
Symptoms
- Display stays illuminated on the Apple logo without reaching the lock screen
- Device periodically restarts, flashing the Apple logo every few seconds (boot loop)
- Screen turns red, blue, or flashes briefly before returning to the logo screen
- Device gets uncomfortably warm near the top rear section while stuck booting
- Computer fails to recognize the iPhone 6 when connected via Lightning cable
- Phone turns off immediately when disconnected from a wall charger
Quick troubleshooting
Step 1
Perform a Hard Reset
Press and hold the Home button and the Power button simultaneously for 10 to 15 seconds. Keep holding both buttons until the screen turns completely off and the Apple logo reappears. Release both buttons and let the iPhone attempt a clean boot into iOS.
Step 2
Attempt a Recovery Mode Update via iTunes/Finder
Connect your iPhone 6 to a computer with iTunes or Finder open using a reliable Lightning cable. Hold the Home and Power buttons together, but do not release them when the Apple logo appears—keep holding until the Recovery Mode screen (cable pointing to a computer) appears. Select 'Update' on your computer screen to reinstall iOS without erasing your personal data.
Step 3
Clean the Charging Port and Supply Direct Power
Examine the Lightning port using a flashlight and carefully remove compressed lint or debris with a wooden toothpick or plastic pick. Connect the phone to a high-output wall charger and leave it plugged in for 30 minutes before forcing another restart. A deeply discharged or failing battery needs stable power to complete the boot process.
Step 4
Perform a DFU Mode Restore (Data Loss Warning)
If Recovery Mode fails, enter Device Firmware Update (DFU) mode. Connect the phone to your computer, hold Power and Home for 8 seconds, then release Power while continuing to hold Home for another 10 seconds until the computer detects a device in recovery while the screen remains totally black. Click 'Restore' to completely wipe and reinstall the operating system; note that this erases all stored data.
Step 5
Inspect for Physical or Liquid Damage
Eject the SIM tray and look inside the slot with a bright light for a pink or red Liquid Contact Indicator (LCI). If the indicator is activated or the chassis is visibly bent, hardware components like the front flex cable or battery may be shorted out. Discontinue software update attempts if liquid damage is present to avoid further logic board damage.
Likely causes
- Corrupted iOS software update or interrupted firmware installation
- Depleted storage capacity (0 bytes available) corrupting system cache files
- Degraded or failing battery unable to supply peak startup voltage
- Short circuit in the front camera, earpiece, or home button flex cable
- NAND flash memory failure or corrupted memory sectors on the logic board
- Board-level liquid damage or drop-induced cracked solder joints
What's going on
When an iPhone 6 powers on, its onboard processor initializes core hardware modules before loading the iOS operating system stored on the internal NAND flash chip. If the startup check encounters corrupted system files, a failing battery that sags under voltage load, or a short-circuited hardware sensor, the boot sequence halts. This results in the phone getting stuck continuously displaying the Apple logo or cycling on and off in an endless boot loop.
Symptoms people notice
- The phone displays the white or black Apple logo continuously without progressing to the passcode screen.
- The screen periodically flashes red, blue, or black before resetting back to the logo screen.
- The device gets noticeably hot on the back near the camera area while stuck booting.
- Connecting the phone to a charger causes it to endlessly reboot every few seconds.
- iTunes or Finder reports errors like Error 9, 4013, or 4014 when trying to update or restore.
- The device turns off immediately when disconnected from the charging cable.
Likely causes
- System Storage Saturation: Operating with completely full internal storage causes iOS to crash during startup file creation, trapping the phone in a boot loop.
- Corrupted Firmware/Update Interruption: A failed over-the-air update or interrupted software download can corrupt essential bootloader files.
- Degraded Battery: An aging iPhone 6 battery cannot deliver the spike in voltage required during the kernel load phase.
- Hardware Flex Cable Short: Water or drop damage to the front panel sensor assembly (earpiece, front camera, proximity sensor) can pull down the board's power rail.
- NAND Memory or Logic Board Failure: Physical drops can fracture chip solder joints or wear down the NAND flash chip itself.
Quick checks first
Before attempting destructive software restores, try these quick diagnostic checks:
- Force Restart: Hold Home + Power for 10–15 seconds until the screen cycles off and back on.
- Charge Test: Plug into a wall adapter (not a computer USB port) for at least 30 minutes to rule out a depleted battery.
- Port Inspection: Clear out packed lint in the charging port using a non-conductive pick to ensure stable power connectivity.
- Check Computer Detection: Plug into a computer to see if the device is recognized in normal or recovery mode.
When it's a real repair
If force restarts and iTunes/Finder updates fail with persistent error codes (such as Error 4013 or 9), you are likely facing a physical component failure. An aging battery that sags under load is a prime suspect on older devices like the iPhone 6. Alternatively, a damaged front sensor flex cable or failing motherboard ICs will prevent iOS from booting regardless of how many times you restore the software.
DIY vs professional repair
Replacing an iPhone 6 battery or screen assembly is a popular DIY project with readily available parts and straightforward screw layouts. However, if the issue stems from micro-soldering defects, NAND flash failure, or extensive board-level liquid damage, standard part swapping won't solve the problem. If you aren't comfortable opening your device with prying tools and specialized screwdrivers, reviewing our hardware repair /guides can help you decide between tackling the job yourself or seeking mail-in technician assistance via LML Experts.
Next steps
- Attempt a non-destructive Recovery Mode update using iTunes or Finder to fix software glitches.
- If errors persist, try a full DFU restore (keep in mind this will erase user data).
- Explore our step-by-step DIY battery and screen replacement /guides if you suspect hardware wear.
- Check out customer /reviews and troubleshooting threads on /problems to compare your specific symptoms with similar cases.
Next steps
Try the DIY guide if you're comfortable opening the device. Still stuck? Browse related problems for similar symptoms.
