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Lenovo Clients – Services Alert: Rapid Battery Drainage – Carbon and Yoga devices

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   ALERT TYPE SERVICE SOLUTION

   HEADLINE X1 Carbon 7th / X1 Yoga 4th and for X1 Carbon 8th / X1 Yoga 5th generation

   PROBLEM TYPE RAPID battery drainage

   Issue / Impact
Reports of fast battery drainage on the X1 Carbon 7 / X1 Yoga 4 and on the X1 Carbon 8 / X1 Yoga 5. Customers experience a drainage up to 50% faster than expectations. After investigation, it has been confirmed that the issue is linked to the WWAN card firmware, for which there is an update. It is not necessary to change the battery.

   Solution
Update WWAN FW with the following release: https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x1-carbon-8th-gen-type-20u9-20ua/downloads/DS546466
The update should be available via Lenovo Vantage in the next few days. We will advise you when this happens.