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Founded in 2009, vivo is a Chinese technology company that designs and manufactures smartphones.

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VivoY21L Power on button damage

VivoY21L

Power on button not working properly and broken

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Power button change

=== Update (05/06/24) ===

Power button change

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@surendrasi32628 follow the directions from the original answer.

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@sai37680 could be the power button flex or the mechanical button that is broken. The flex is readily available but it seems the power button is not. Anyhow, disassemble your phone using something like this video or this one

If that does not work, you can check YouTube for many videos on how to apply a jumper to bypass the switch.

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Battery replacement

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@rashmiranjan no, a battery replacement will not resolve this issue. ;-)

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