If you kept the previous version’s executable (e.g., i7tm38us 1.85.exe ), yes. Otherwise, request the older version from the manufacturer. Note: Some devices enforce one-way updates (fuse protection). Consult your device datasheet.
An executable file contains a program or a set of instructions that runs directly on your operating system. Because these files have the authority to change system settings, access personal data, and install background processes, cybercriminals frequently disguise malware as obscure utility files. The Risks of Downloading Unverified Executable Files
The update is a vital maintenance tool for your Lenovo device. By taking the proper safety precautions—such as suspending BitLocker, securing a stable power supply, and sourcing the file strictly from official Lenovo repositories—you can enhance your system's security, performance, and operational longevity. To help provide more specific guidance, could you tell me: What specific model of Lenovo ThinkPad are you using?
Do you need instructions on how to update using a instead of the Windows executable? Share public link i7tm38us 1.90 version.exe download
Unofficial installers may secretly bundle adware or browser hijackers that track your internet activity. How to Verify and Safely Download the Authentic File
Downloading executable files ( .exe ) from untrusted third-party websites exposes your computer to malware, ransomware, and spyware. Always source system files directly from the manufacturer. Method 1: The Official Lenovo Support Portal (Recommended) Open your web browser and navigate to .
suggests this is a mature release—not the first version (which might be 1.0) but also not the latest (which could be 2.5 or 3.0). It is likely a stable, feature-complete update from around 2015–2018. If you kept the previous version’s executable (e
The file is an official executable file used to update the System Program (BIOS/UEFI) on specific Lenovo ThinkPad laptops. System firmware updates are critical for maintaining hardware stability, patching security vulnerabilities, and ensuring compatibility with newer operating systems.
Safety, legality, and cautions
BIOS files are highly hardware-specific. Flash utilities check your system's Machine Type Model (MTM) before proceeding. Attempting to force this firmware onto an incompatible laptop will result in a corrupted motherboard ("bricking"). Consult your device datasheet
Follow this tiered strategy to locate the legitimate 1.90 version executable.
: Improves stability when connecting to USB-C and Thunderbolt 3/4 docks. 2. Compatible Systems
Timeline & provenance