1. Immediate Malfunction:

Immediate malfunction or shutdown following exposure to water is a critical sign that your iPhone 13 requires urgent professional water damage repair to prevent permanent damage.

2. Intermittent Functionality:

If your iPhone 13 functions erratically, turning on and off or operating unpredictably after getting wet, it suggests internal moisture damage that needs professional assessment and repair.

3. Corrosion Signs:

Visible signs of rust or green residue inside ports or on connectors of your iPhone 13 are indicative of water damage that can worsen over time, requiring professional cleaning and repair.

4. Audio Issues:

Muffled sound from speakers or a microphone that fails to capture sound clearly after water exposure is a sign of water damage affecting the audio components of your iPhone 13, requiring professional intervention.

5. Sensor Errors:

Erratic touchscreen behavior or unresponsiveness after contact with liquid indicates potential water damage to the sensors of your iPhone 13, which should be professionally addressed to restore full functionality.