does not work tuch screen
phone falled in water , now does not work. how i fix this problem ?
Water and electronics and electricity are not a good mix.
The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the phone’s operating design and could damage the components. The corrosion process starts immediately and is ongoing until it has been cleaned away properly
First do not turn on your phone and you need to remove the battery from the phone as soon as possible to prevent any further damage.
Then you need to dis-assemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 99%+ (available from electronics parts stores) to remove all traces of corrosion and water. Do not use "rubbing alcohol" as in some cases this is <70% IPA, can contain additives and is not as effective. If you do have to use it, check the label to verify the amount of IPA. The higher the percentage of IPA, the better.
Here is a link that describes the process. Electronics Water Damage
As always with electronics, especially surface mounted pcb be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the boards. You will also have to remove any shields that may be covering components and clean under them as water may have got in under them as well. Also remove flex cables and clean their ends and also the connectors etc.
Hopefully after you have done all this the phone might possibly work correctly again.
Here is a link to a video that shows the dis-assembly of the phone, which may be of some help.
If this process seems too daunting, take your phone to a reputable, professional mobile phone repair service, experienced in water damage repair and ask for a quote for a repair. If you decide to do this, do it sooner than later.
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