Why is my Redmi Note 4X has charging icon but is not charging at all?

Hi, so recently I opened up my Redmi Note 4X to clean off some thermal paste on the CPU part of the board. Now there is a lid there but there’'s a small gap there where thermal paste seeped into the underlying components. I used a standard screwdriver to clean the thermal paste off, but then a small part of the board got chipped off (it’'s like a resistor/transistor of some sort).


The phone boots up normally and everything’s fine, until I plugged it in. After having the phone plugged in for a few hours, I have seen the battery percentage decrease from a 29%, to 22% while plugged in. I checked on the charger, which usually heats up, and it was barely warm. I don’t think if the phone charges at all because the phone itself shows charging icons, and even the charging LED light is up but the battery percentage is decreasing.


What could’ve probably gone wrong to my phone? I suspect that chipped off tiny part in the board was the culprit to the charging problem since it didn’t have any problems before I cleaned up the board.

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