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My iphone 5s will only power on when plugged in and when it does it bootloops.I can't restore it because it won't power on when connected to a PC so I can't access recovery mode l. It had water damage so I tried it with a hair dryer and It powered on and the home screen appeared but i installed Ios 11 beta while charging at 2% from there it has not powered on at all
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@juanarias101 you never explained what you did about the water damage. "It had water damage so I tried it with a hair dryer and It powered on " does that mean you did not repair that damage? You should at least clean your water damaged board.
For now I'd suggest to stop continuing to try to charge, sync or otherwise use your phone. This potentially can make a bad situation worse.
The very first step I would take is to disassemble your phone. Use these guides to disassemble your phone. Take a careful and close look at all components and connectors. Truly assess the damage. Look for major corrosion, evaluate the pins in the connectors etc,. Take a look at all connectors as well as cable ends. After that I would suggest that you clean it a couple of times in sterile water, not drinking water. Use a soft brush and clean it very, very thoroughly with the sterile water. You will have to remove all the EMI shields. Once you got the gross contamination cleaned, use 90%+ isopropyl alcohol and clean your parts some more. For a proper cleaning, use this guide. It was written for a Apple iPhone 3G but it is still pertinent to your phone as well. I can not stress the importance of a good cleaning enough, so do it over and over while replacing the alcohol after each cleaning. Do not use compressed air for the cleaning since that can drive liquid as well as corrosion particles into areas that will cause trouble later on. Do not use drinking water, if you need to use water, use sterile water. Also, you do not need to leave it to dry for a day. Isopropyl alcohol in the higher concentration will evaporate quickly and dissipate the water. The importance here is the cleaning. If you can get it professionally cleaned then that would be the best way. Do not forget to replace the battery. This is a must and not an option. It will fail if you do not take care of it now. Keep in mind that water damage is the hardest to troubleshoot and to repair. Only after you have done those things can you properly troubleshoot your phone.
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Thanks! I tried the alcohol method and it's not booting but now im leaving it on for 30 minutes
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try a new battery, as for water damage check the board for any damage as a faulty chip can cause bootloop
by daniel