A SECRET red line on your iPhone can indicate if your phone has suffered water/liquid damage.
The line is called Liquid Contact Indicator (LCI) and is visible from the inside of your SIM card tray.
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The SIM card tray is located on the side of your iPhone below the volume buttons in a designated box.
You must remove the SIM card tray to see the line inside the hole.
“iPhone and most iPod devices that were built after 2006 have built-in Liquid Contact Indicators (LCIs) that will show whether the device has been in contact with water or a liquid containing water,” Apple said.
The LCI will only turn on if there is concern about the damage and has come in contact with a liquid.
It is located in similar spots on every iPhone up till the iPhone 3 series.
The red line is also available for old iPod Touches, Nanos, and Shuffles.
“An LCI will activate when it contacts water or a liquid containing water,” Apple said.
If there is no damage the line will be white or silver.
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“The indicator’s color is normally white or silver, but when it contacts water or a liquid containing water, it will turn fully red.”
“An LCI won’t activate because of humidity and temperature changes that are within the product’s environmental requirements.”
When looking to see if your indicator is red, Apple recommends using a lighted magnifying glass and then angling the light or the device until you can see it.
Apple warned that if you do run into a situation where liquid damages your iPhone, the service is not covered by the Apple One-Year Warranty.
But Apple said you may have rights under the consumer law and to make sure to check if you qualify for that.
In other iPhone news, a tech expert revealed three different types of apps you should delete from your device for security purposes.
Apple also has a hidden list that can help you uncover any unwanted guests attached to your iCloud.
