Alcohol has a certain corrosive effect. Generally, things like P4 LCD screens of mobile phones are easy to leave small white spots after entering the liquid.
Disappearance method:
1 The hair dryer can only blow off the water stains on the surface
2. The temperature of the mobile phone can be recovered slowly.
3 Keep warm in your pocket.
4. Expose to the sun for half an hour.
5 Natural air drying.
Even if the above methods can not be effective immediately, it will not be obvious after a long time.
