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To fix the screen for the LG Cosmo if it won't show up, the steps will vary depending on the cause of the issue. First, begin by removing the battery from the phone and allowing it to reboot. Then, try holding the volume and power buttons at the same time.

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10y ago
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11y ago

Did u charge it if u did buy a knew one or pay $300for for it to get fixed

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13y ago

wont go on

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Q: How do you fix your LG COSMO phone if screen stays black?
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