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I lostd my iphone and found it 2 months later outside but the problem is during that time it was snowing and raining so my phone was in the rain and snow and I dont know what to do the first time I found it was working when I charged it.

hello Samuel, as you know, electronics don’t like to lie outside even one day, so 2 months certainly didn’t help. If you notice that the phone responds to charging, take it to a repair service - it needs cleaning and refreshing inside (eliminate copper corrosion centers - there will be many of them) - if it works, it will be cheaper and easier. You will certainly need to replace the screen gasket, check the speakers, face.ID etc. If you do not do this and you decide to use this phone, over time corrosion will destroy connections and the phone will shut down … for most repair points - irreversibly.