Yesterday, I dropped my phone hard, and now the power button—where the fingerprint sensor is—feels boiling hot to the touch. While the button still works, my phone completely fails to recognize the fingerprint sensor. There are no fingerprint settings available either in my settings or on the lock screen. I'm curious if the sensor actually melted or if I'm at risk of something more serious like an explosion. Here's a photo for reference: https://imgur.com/a/E5yuaQW.
2 Answers
Yep, I experienced something similar with a Huawei Honor about a decade ago. My fingerprint sensor would heat up so much it felt like it could burn you. The phone still worked but the battery performance really dropped too. Just bad design, I guess. What did you end up doing with your phone after it happened?
Honestly, the fact that your fingerprint sensor isn't working might be the least of your worries. It sounds like your phone is leaking heat, which could indicate a problem with the battery or power circuitry. I recommend turning it off and seeing if it cools down a little. Make sure to put it somewhere safe and away from flammable materials just in case. You should definitely take it to a repair shop ASAP once they're open.

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