索尼 WF-1000XM4 无线耳机电池更换

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Unlock the ZIF connector on the lower part circuit board

Locate the ZIF connector on the lower part circuit board.
If there is enough room, the battery may be removed without disconnecting the ZIF connector, making this delicate and difficult step obsolete
Lift the flap of the ZIF connector using an Opening Pick or another thinner plastic tool.
Careful: Do not use a metal tool for this step.

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