How do you remove the old copper pads from the last battery?

Im working on replacing the battery on an ipod touch 6th gen, not sure if i just dident have the heat or had too much, but the three connectors on the board still have the copper pads from the old battery. How do i remove these before soldering the new battery in?

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If anyone knows if i can just solder over the existing pads let me know, I dont want to cause any connection issues to the battery.

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can you post some pictures so we know what we're working with?

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