|
This article applies to Copilot+ PCs only. |
Introduction
The Phi Silica J32 AI component for Qualcomm-powered systems is a Transformer-based local language model. The Neural Processing Unit (NPU) within the architecture powers Microsoft's Phi Silica small language model (SLM) on Copilot+ Windows PCs. It is a specialized AI accelerator designed to provide highly efficient, on-device AI computation for local language models and multimodal AI workloads.
Summary
This Phi Silica J32 update includes improvements to the Phi Silica J32 AI component for Windows 11, version 26H1.
How to get this update
Windows Update
This update will be downloaded and installed automatically from Windows Update.
Prerequisites
You must have the latest cumulative update for Windows 11, version 26H1 installed.
Replacement information
This update does not replace any previously released update.
Check update history
To determine whether this update is present on the device, go to Settings > Windows Update > Update history.
After this update is installed, you should find the following update listed in Update history depending on the processor type in the device:
-
2026-02 Phi Silica J32 version 1.2601.1273.0 for Qualcomm-powered systems (KB5081487)
References
For a list of AI updates on supported devices, see the following resources:
