Lenovo ThinkPad L14 Gen 4 (Intel)
Laptops · Lenovo
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Latest Firmware
Version 1.35
Released
16.8 MB
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Firmware History
1.35
UEFI: 1.35 / ECP: 1.22 - [Important] Enhancement to address security vulnerability, CVE-2025-10237. - (New) Enabled FWS function. - (New) Updated copyright to 2026. - (New) Updated Version 04.44.000 code of FIT's InROM diagnostics.
Download from Lenovo (opens in new tab)1.34
UEFI: 1.34 / ECP: 1.21 - [Important] Enhancement to address security vulnerability, CVE-2025-2295. - (New) Support Camera Wu. - (New) Updated Camera FMP driver to v1.3.0.15. - (New) Updated Version 04.43.000 code of FIT's InROM diagnostics. - (Fix) Fixed USB3.2 Gen2 Portable SSD Recognition Failure after Restart.
Download from Lenovo (opens in new tab)
Why Keep Your Firmware Updated
Laptop firmware updates cover the BIOS/UEFI, embedded controller, and sometimes trackpad or display controllers. These updates improve battery life, fix thermal throttling, patch security vulnerabilities, and can resolve issues with sleep/wake cycles. Back up important data before updating and keep your laptop plugged in during the process.