How repair a liquid damaged mobile phone and other smart devices?

If you are new mobile phone repair technician and get wet mobile phone or other devices, please do not panic and follow our instructions
1. Remove or disconnect the battery immediately: This is important so that current does not flow freely in the motherboard turn off the mobile phone. Moreover, you have to remove or disconnect the battery to take the battery off if it's wet.

2. Dismantle your mobile phone: Open up your mobile phone carefully. To pen the mobile phone, you can use the proper phone repair tools which are designed for phone repair industry.

3. Clean the motherboard well: We recommend our mobile phone repair students to use 99% isopropyl alcohol (In the market, you can find a few types of alcohol). It’s very a useful tool and inexpensive to clean the entire printed circuit board (PCB) with alcohol using a brush or toothbrush. This will prevent corrosion on the printed circuit board (PCB). Please do not put the wet device in the rice box because it does not help and water might damage the device more.

4. Dry the motherboard completely: Dry the motherboard carefully and make sure it dry completely. You can use a heat gun or a hair drier to make the device dry.

However, these steps may not work with a mobile phone that drops in water or seawater for a long time.