# BIOS update request for CoreBook X - S/N CBookXQ512G21062554

**URL:** <https://forum.chuwi.com/t/bios-update-request-for-corebook-x-s-n-cbookxq512g21062554/56466>\
**Category:** CoreBook X\
**Created:** [October 1, 2026, 9:43am UTC](https://forum.chuwi.com/t/bios-update-request-for-corebook-x-s-n-cbookxq512g21062554/56466 "2026-10-01T09:43:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![agmaturana](https://avatars.discourse-cdn.com/v4/letter/a/3bc359/32.png) [@agmaturana](https://forum.chuwi.com/u/agmaturana)\
**Post date:** [October 1, 2026, 9:43am UTC](https://forum.chuwi.com/t/bios-update-request-for-corebook-x-s-n-cbookxq512g21062554/56466/1 "2026-10-01T09:43:40Z")

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La batería nueva se apaga de inmediato y pasa de 100% a 0%.

New battery drops from 100% to 0% instantly on S/N CBookXQ512G21062554. Requesting EC/BIOS update to fix battery recognition.

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**Author:** ![bruzan2025](https://avatars.discourse-cdn.com/v4/letter/b/b5e925/32.png) [@bruzan2025](https://forum.chuwi.com/u/bruzan2025)\
**Post date:** [October 1, 2026, 11:23am UTC](https://forum.chuwi.com/t/bios-update-request-for-corebook-x-s-n-cbookxq512g21062554/56466/2 "2026-10-01T11:23:32Z")

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You need to contact customer service via the Chuwi website.