Apple phone — No Sound

What to do first

1. Power cycle and update software/firmware.
2. Swap known-good cable/charger/accessory (if relevant).
3. Check heat/airflow and remove cases/dust.
4. Run built-in diagnostics if available.
5. If risk is high or symptoms persist, use a technician.

Directional signals

• Likely part: speaker · confidence medium · risk low
• Likely part: ram · confidence medium · risk low
• Likely part: fan · confidence high · risk low

Sample cases exist for this combination; treat as directional.