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Repair information for the Google Pixel 4a. Released on August 20th, 2020. Model number: GA02099-US.

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high pitch whine after replacing battery

Hello! Purchased a new battery replacement battery from here. I reversed the installation steps from the guide on here but upon connecting the battery I'm hearing a high pitched whine from the phone. Something akin to a coil squeal. I've immediately disconnected it after. Not sure if this will correct itself when proceeding through assembly.

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Also took a laser thermometer and saw the battery temperature steadily increase after completing.

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Just wanted to chime in this wound up being an alignment issue. Just kept reconnecting it a few times and eventually the whining stopped when connected. Phone powered right back up

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Pixel 4a battery

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Pixel 4a original battery new

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mikejuarez will be eternally grateful.
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