LDI stands for Liquid Damage Indicator. The LDI is a small indicator located inside the battery and also on the battery itself. This tool is very useful if you want to check your device for water damage. Usually water damage causes your device to overheat, or prevents the battery from charging.
A lot of problems with your device may come from water damage and that’s why you need to know how to check your phone for water damage. In order to check for water damage you have to remove the case from your device and pull off the battery.
How to check Samsung phones for water damage using the Liquid Damage Indicator (LDI):
First of all, in order to know that your battery isn’t affected by water damage, the LDI has to be solid white or white with small X’s colored in pink or purple on it. Here is an example of a non-affected LDI:
If your device was exposed to moisture or water, the LDI will turn solid pink, red or purple. Here is an example of a water damaged device:
In the case that you discover a positive LDI, meaning that your device was affected by water, you will have to take your device to get it repaired. These type of repairs are not covered by Samsung’s Limited Warranty.