4-inch iPhone released in March 2016 with similar hardware specifications to the 6s. Available in Silver, Space Grey, Gold, or Rose Gold with 16/64 GB storage options. Model A1662 and A1723.

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Shortened battery life, white spot on screen

Hello, my phone (iPhone se) got wet about two weeks ago. It was in a waterproof case that didn't work. Not knowing any better, I tried turning it on several times right after which didn't work. After letting it dry in front of a fan for 3 days it still wouldn't turn on. I tried charging it which didn't do anything. I came on this website and ordered a replacement battery and also cleaned the logic board with alcohol. I was amazed when it turned on. There was very slight corrosion where the battery connects to the logic board. My main concern was getting my data back that I didn't back up. I was able to do so and am happy. The phone is working normally, but has a shortened battery life. Less than a day just sitting and not using it. It seems to get warmer than before. It also has a white spot on the screen that you can only see when looking at something with a light backgrounds. Any ideas if these issues are fixable or what might be happening? Thanks.

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The decreased battery life may be caused by a poor quality battery although in this case you purchased it from iFixit and they typically have good quality batteries. It is still possible that you have a dud and the easiest way to test it to try another one. That said, the excess heat points to something drawing excessive current, therefore decreasing battery life. You would have to do some tests to see what component is causing this. Start by disconnecting everything except the dock from the logic board when it is fully charged. Then let it discharge naturally and note the time it takes. Use a tool like 3uTools (www.3u.com) to periodically check the battery condition. Then add components like rear camera, screen and front camera one at time and replicate the test. If nothing changes, then you have an issue on the logic board, which will require a micro-soldering repair and is not DIY.

As for the white spot on the screen, that is caused by the water. This could be related to your battery issue (i.e. a bad backlight). If the above test does not indicate that the screen is the problem, then the only way to eliminate the white spot is to replace the screen.

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Thanks for your help, I'll try out your suggestions.


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