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Likely fix

Fix: iPhone says accessory not supported

This message usually appears when the cable, charger, adapter, or port is dirty, damaged, unsupported, or not communicating correctly with the iPhone.

Quick answer

Unplug the cable, check the port, restart the iPhone, and try a different trusted cable and charger.

Important warning

A damaged or unsupported cable may charge inconsistently or stop charging completely.

Try this

  1. 1 Unplug the cable and plug it back in.
  2. 2 Restart the iPhone.
  3. 3 Try a different cable.
  4. 4 Try a different wall charger.
  5. 5 Check the charging port for debris.
  6. 6 Update iOS if an update is available.
  7. 7 Avoid very cheap or damaged cables if the warning keeps returning.

Common causes

Damaged cable.

Dirty charging port.

Unsupported accessory.

Software glitch.

Loose charging connection.

What to check next

  • Does the message appear with every cable?
  • Does the cable work with another iPhone?
  • Does the phone charge from a wall charger instead of a computer?

FAQ

What causes Fix: iPhone says accessory not supported?

This message usually appears when the cable, charger, adapter, or port is dirty, damaged, unsupported, or not communicating correctly with the iPhone.

What should I try first?

Unplug the cable and plug it back in.

What should I watch out for?

A damaged or unsupported cable may charge inconsistently or stop charging completely.

When should I stop troubleshooting?

Stop if the device becomes hot, smells burnt, shows physical damage, gets wet, or the problem looks like battery, power, electrical, or hardware failure.

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Fix: Phone charges slowly

Slow phone charging is usually caused by a weak charger, old cable, dirty charging port, background apps, heat, or using a laptop USB port instead of a wall charger.

Fix: Android phone not charging

An Android phone that will not charge is usually caused by a bad USB-C cable, weak charger, dirty charging port, software freeze, moisture warning, or damaged port.

Fix: Phone only charges at an angle

A phone that only charges when the cable is bent or held at an angle usually has a worn cable, lint-packed charging port, or damaged charging port.

Fix: Phone says moisture detected

A moisture detected warning means the phone thinks there is liquid or conductive debris in the charging port. Charging should be paused until the port is dry.

Fix: Wireless charging not working

Wireless charging usually fails because the phone is misaligned, the case is too thick, the charger is weak, the phone is too hot, or the charging pad is not powered properly.