Originally Posted by videomaker

I had a similar issue with my 650.

There's a known issue of the jack going bad, which can cause the problems with the built-in microphone not working. But mine developed a stranger problem--the bluetooth would work, but the built-in mic was intermittent, sometimes fading out during a conversation.

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Palm has a flat-rate repair charge for 650s that are unlocked or from Verizon, but says contact your carrier for others. An extra $25 will get you an advanced exchange with a refurbished unit.

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