iPhone Duo water resistance: what IP68 does not promise

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Read the rating with its boundary

A laboratory rating describes a defined test, not every combination of liquid, pressure, temperature and prior damage. Pool water, salt water and a forceful jet should not be treated as equivalent to a controlled test. The rating also does not measure drop protection.

Do not convert a specification into a universal warranty promise. Service eligibility depends on the actual circumstances and applicable terms. Consult the local official service information for a real device rather than relying on a short rating label.

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Protect the device without testing its limit

Keep charging connections dry and do not attach power simply to see whether a wet device still works. Avoid heat, inserted objects or improvised drying methods that may create a new hazard. For a specific exposure, follow current official support guidance.

• Do not intentionally repeat a water exposure.
• Do not charge a wet phone.
• Stop using a device with swelling, deformation or an unusual smell.

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What this guide has not verified

PhoneHelp has not immersed or pressure-tested a retail Duo. We do not claim that a case increases its rating unless there is appropriate evidence for that exact combination. A case and a device have separate specifications.

If liquid exposure matters to your work, choose a plan based on preventing exposure and obtaining appropriate support, not on treating the largest published depth as a daily operating allowance.