Hi
Doing a zoom in on it as best I can it loooks like it is not going anywhere> But I could be wrong
The soldering is not good has you know yourself
I would advice taking it to a repair shop that does microsoldering. They will be able to do a better inspection of the pad to see if it is OL (open circuit) or connected to another part of the board
I could not find any board layout or schemetics for this model of phone . If we could we find out in no time about where this pad does
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