how to detach the button cell from PCB

Please refer to the image below. The button cell on the bottom-right get rusty. I have to separate it from PCB and replace with a new one. However, the two solder joints are firmly sticked. I am not a hardware guy. Please help. Thanks.

button.JPG
2010-5-2 10:08

Simply desolder the pins.

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hi, guy. thanks for reply. but it doesn't work.

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會唔會係支辣雞火數唔夠唔夠熱??
有熱風槍既,用來試試

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