The bridges the device's diagnostic mode to a virtual COM port (often assigned randomly, like COM 22, COM 3, etc.).
: Supports Windows 10 and Windows 11 (64-bit/32-bit).
The SPRD U2S Diag (USB-to-Serial Diagnostic) driver is a specific software component for Windows. It allows your computer to communicate with mobile devices powered by Unisoc (formerly Spreadtrum) processors.
SPRD U2S Diag (COM 22) driver is a specialized communication interface driver for devices powered by Spreadtrum (now UNISOC) sprd u2s diag -com 22- drivers download
To ensure absolute system safety and avoid malware, download official driver packages compiled directly by UNISOC or reputable system suppliers.
: Running manufacturer-level diagnostics on the hardware. Step 1: Download the Driver Package
Right-click the "Other Device" or "Unknown Device" (often listed as SPRD U2S Diag). Select > Browse my computer for drivers . The bridges the device's diagnostic mode to a
This article provides direct download links, compatibility details, and a step-by-step installation guide to get your device connected. Direct Download Links for SPRD U2S Diag Drivers
Compatible with Windows 7, 8, 8.1, 10, and 11 (32-bit and 64-bit). Where to Download
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. It allows your computer to communicate with mobile
Point to the folder where you unzipped the downloaded driver (look for the x64 or x86 subfolder).
You can download the necessary drivers from trusted sources.
: If official manufacturer pages are down, trusted databases like Treexy Driver Fusion maintain a clean library of validated driver sizes and versions ranging from legacy versions to newer rollouts. Step-by-Step Installation Methods
Method 2: Manual Installation via Device Manager (For COM Port Issues)
Connect your Spreadtrum phone to the PC using a high-quality USB cable while holding the volume keys (Boot keys). Press Windows Key + X and select .