What is what to do when iphone won't turn on?

If your iPhone won't turn on, here's a breakdown of troubleshooting steps:

• Basic Checks:

  • Charge it: Plug your iPhone into a power source using a known good cable and adapter. Let it charge for at least 15-30 minutes. Sometimes a completely drained battery just needs a bit of time to revive. Look for a charging indicator on the screen.
  • Hard Reset (Force Restart): This can often resolve minor software glitches. The button combination varies by iPhone model:
    • iPhone 8 or later: Press and quickly release the volume up button. Press and quickly release the volume down button. Press and hold the side (power) button until you see the Apple logo.
    • iPhone 7 or 7 Plus: Press and hold both the side (power) button and the volume down button simultaneously until you see the Apple logo.
    • iPhone 6s or earlier: Press and hold both the home button and the side (power) button simultaneously until you see the Apple logo.

• Screen Issues:

  • Check the Screen: Even if the phone is on, the screen might be black. Try shining a flashlight on the screen at an angle. If you see a faint image, the screen is the problem, not the entire phone.
  • Brightness: Ensure the brightness hasn't been accidentally turned all the way down.

• Advanced Troubleshooting:

  • Restore via iTunes/Finder: If the hard reset doesn't work, try connecting your iPhone to a computer and restoring it using iTunes (on Windows or older macOS) or Finder (on newer macOS). You may need to put your iPhone into recovery mode:
    • Recovery Mode: The steps vary depending on your iPhone model. Search specifically for "[iPhone model] recovery mode" instructions.

• Possible Causes:

  • Software Crash: A glitch in the iOS operating system can prevent the phone from booting.
  • Hardware Problem: The battery, screen, or internal components might be damaged.
  • Liquid Damage: Even if you don't see obvious signs, water damage can cause the phone to malfunction.

• When to Seek Professional Help:

  • If none of the above steps work, it's likely a hardware issue that requires professional repair.
  • If you suspect liquid damage, take your iPhone to a repair shop immediately.
  • If the phone turns on but has issues like looping on the Apple logo, consult Apple support or a qualified technician.

Important subjects:

• Hard Reset
• Recovery Mode
• Liquid Damage