Specifications
iPhone 4 Troubleshooting — Cleaning Procedures 22
2012-02-21
Cleaning Procedures
Required Tools
• Lighted otoscope (or lighted magnifying glass)
• ESD-safe brush (922-9918)
• ESD-safe tweezers
• Micro-ber cloth
CAUTION: Never use compressed air to clean any part of an iPhone, as this can damage
delicate components.
Dock Connector
1. Power o iPhone (red slider).
2. Use a lighted otoscope or magnifying glass to inspect for debris that may be causing issues.
3. Use an anti-static brush to delicately brush out lint or debris. Be careful not to damage the
contacts along the top of the connector pin rail. Avoid brushing debris into the speaker or
microphone located on either side of the dock connector.
4. If needed, use anti-static tweezers to pull out any large pieces of lint or debris.










