It is safest to use the HP Support Assistant to automatically detect and install the correct firmware for your system. How to Check if You Need This To see if your current BIOS version is older than sp92875: Press Windows Key + R , type msinfo32 , and press Enter. Look for BIOS Version/Date in the System Summary.

On older firmware variations of the HP Spectre x360 15, multiple end-users noted an issue where the notebook failed to wake from sleep mode when a mouse or keyboard was toggled via specific internal or external USB buses. The Sp92875 firmware update provides:

If you'd like, I can also show you how to use to automatically find the right update. Share public link

If prompted by Windows User Account Control (UAC), click .

Before proceeding with any BIOS update, follow these critical steps to ensure a successful installation:

Select your product type (Laptop, Desktop, Printer, or Other).

is a BIOS update file released by HP. In HP’s naming convention, "SP" followed by a number (like 92875) represents a "SoftPaq," which is a package of drivers, BIOS, or firmware updates.

Knowing these details will allow me to provide more targeted troubleshooting steps or direct links.

Right-click the downloaded file, select Properties , and navigate to the Digital Signatures tab. A legitimate file will clearly list Hewlett-Packard or HP Inc. as the signer.

Right-click the downloaded file and select Properties . Go to the Digital Signatures tab.

To safely download and install this specific file, follow the steps below. 1. Locate the Official Download

Save your work and close open programs to prevent installation conflicts.