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The Huawei Honor 8 is an Android smartphone released in 2016 that features a 5.2-inch 1080p display, 4GB of RAM, dual 12MP camera sensors, a fingerprint sensor, and a USB Type-C port. Model : FRD-L04.

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Replaced battery and phone wont turn on but it heats up.

So, I followed the steps to the letter. The battery went in and I plugged it in perfectly. I immediately notice that the top part of the phone is getting warm (mostly around the flash LED area?) and it still won’t power on. I reseated the battery twice and wiped down the socket and cable coming from the battery before seating it again. I’m not sure where to go from here.

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schamerjacob what prompted you to replace the battery in the first place? Did anything happen to your Honor 8 prior to this?

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Well, the phone was found in the garbage after a tenant moved out of an apartment that my great aunt runs. So I'm not entirely sure. I'm sort of flying blind here haha. I guess I'm just looking for a way to go through and diagnose what the problem is.

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open it up and let's see what you have going on with it.

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While you were inside the phone, did you see any white, crusty looking substance anywhere? I read the comments and there could a possibility of liquid damage being present. Liquid damage could lead to a short somewhere and excess heat in certain cases can mean there is a short somewhere that can cause some phones to not turn on.

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Also where did you source the replacement battery from?

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Yes, there was what appeared to be some corrosion on the contacts where the

old battery was connected. I cleaned it off but it didn't change anything. Would it be worth my time to try and figure out where the short is and even if I find it would I be able to fix it? I'm just doing this at home as a project.

EDIT: I got the battery from ebay and it was an exact replica of the first and had the Huawei name on it.

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Never buy parts from eBay or Amazon. In my experience, they're junk. And people are able to make either good fakes or just sell junk batteries. Odds are there is a short somewhere and by all means, go ahead and tinker with it. As far as fixing it yourself, you might be able to. Unless there's board level damage which can be repaired by a skilled technician that knows microsoldering. Check out iPad Rehab or Louis Rossman on youtube. They're renowned repair technicians with tons of skill and knowledge with microsoldering. I even took Jessa's repair class from iPad rehab. Good luck!

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