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There is a warranty without money.
No warranty, motherboard and battery, no breakage, no money.
If the circuit board needs to be replaced, it is better to change the mobile phone.
P.S. If the mobile phone gets into the water, deduct the battery or smash it as soon as possible to reduce the loss.
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According to the current price of mobile phones, it is more cost-effective to buy a new one; Because in the repair shop designated by the brand, it is more expensive; If it's a small stall, it can't solve the problem at all.
The line burned, and one thing I don't understand is how you got it down.
You don't need to repair it first, you disassemble the battery first, if it is non-removable, turn it off, wrap it in newspaper and put it in the refrigerator for a few hours, then take it out and let it dry before trying to turn it on. If there is still a problem, there is no way, just fix it.
The water ingress caused a problem with the internal circuit, and the water will dry out in a few days.
Good with a strap sleeve?
This kind of thing, my roommate once tried... If you can turn it on, it proves that the water has not wet the motherboard and other hardware of the mobile phone... You say there are spots on the screen, it's water that has broken the screen, you just need to change the screen.