iPhones

Error codes, troubleshooting, and maintenance information for iphones.

Last updated: 2026-02-27

Error Codes

Face ID Errorwarning

Dirty front camera area, Software glitch needing restart, Hardware damage from drop

Liquid DetectedcriticalDIY fix

Sweat from workouts, High humidity environments, Dropping phone in water

Troubleshooting

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Common Failure Modes

Accidental damage like cracked screens or back glass is the most common issue. Chemically, lithium-ion batteries degrade predictably and require replacement after a few years.

Maintenance

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Clean Speaker Grilles

Dust and earwax build up in the earpiece and bottom speakers, drastically reducing audio volume during calls and media playback.

Clear Charging Port Debris

Pocket lint becomes compacted in the Lightning or USB-C port every time you plug in a cable, eventually preventing the device from charging. Remove this buildup carefully.

Review Battery Health

Lithium-ion batteries chemically age. Checking the battery health helps determine if degraded battery capacity is causing slow performance or unexpected shutdowns.

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