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Showing posts from July, 2025

UMC Security Advisory - Celxpert Battery Issues

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Issue date: 30/07/2025  Updated : 31/07/2025  Note:  We updated with example of LNV -5B10W13897 batteries. (Update: UMC officially designated as L17C3PS2.) UMC ID: UMC01-07042   UMC today announced that was issued formal advisory that would recall of current fleet laptops is Lenovo ThinkPad L15 Gen 2a was equipped with Celxpert batteries because that degradation trend was flaw , lasting only 3+ hour battery life as observed. Key findings were included in screenshots. Figure 1: A degradation trend from 45.73Wh to 38.39Wh in Commercial Vantage. Multiple complaints from Reddit users raised concerns over the Celxpert batteries because they degrade into 16% wear level based on observations from linux-hardware.org sites that used to lookup for battery models and concluded that Celxpert (e.g,  LNV-5B10W13897  (L17C3PS2 detected) batteries) was worst long-term retention of advertised watt-hours. UMC recommends AVOIDING  Celxpert-made geninue Lenovo ba...

An announcement of merging brands.

 UMC announced that the both Zyrus and UMC are merging from two into one of startup now called UMC Zyrus Corporation which incorporated. UMC stated about registering the company would be complex and take more years to complete the my brands for UMC Zyrus Corporation or UMC Zyrus Corp. to implement like UMC Zyrus® which reowned of division. The merger helped to provide faster to launch the products and developed new R&D center, Cyber Zyrus Lab program, and Zyrus Software Development Center (ZSD Center). It brings to the future for the 2030 vision year. Merging will take to complete by August 1, 2025. Prior the high-performance division was centralized for the everyone. (Moved from pages to posts, sorry for inconvenience.)