Typically found in C:\Program Files (x86)\Samsung\USB Drivers\
Modern smartphones require robust, power-efficient communication between the Android application processor (AP) and the baseband processor (BP). Samsung’s Modem SubSystem (MSS) driver, now in its third major version, serves as the critical interface for Exynos SoCs (e.g., Exynos 2100, 2200, 2400). MSS v3 replaces earlier versions with a unified driver supporting 5G NSA/SA, carrier aggregation, and advanced power management.
The Samsung USB Composite Device Driver, which organizes the device’s individual endpoints (ADB, MTP, and Modem).
Samsung sells devices with both:
mss_ipc_timeout: pending tx req timed out mss_force_crash: triggering modem crashdump
In the intricate ecosystem of Android firmware, few components are as critical—yet misunderstood—as the modem device driver. For Samsung devices, one particular string appears repeatedly in system logs, developer forums, and troubleshooting guides: .
The is a specific Windows software component. It allows a Windows computer to communicate with the modem hardware inside a Samsung Android smartphone or tablet. samsung android modem device driver -mss ver.3-
: If the driver is no longer needed but prevents Memory Integrity from turning on, technical support often suggests locating and renaming the ssudbus.sys file to ssudbus.old or using the Device Manager to uninstall hidden instances of the driver.
To ensure system stability, it is always recommended to use the official, digitally signed drivers. You generally do not need to hunt down the MSS Ver.3 file individually; it is bundled directly into the official Samsung driver package.
: It is part of the broader Samsung USB Driver for Mobile Phones package required for tasks like data transfer, firmware updates, and USB tethering. The Samsung USB Composite Device Driver, which organizes
Wakeup from deep sleep is triggered by:
The is a essential software component used to establish a stable communication bridge between a Samsung mobile device and a Windows computer. The "MSS" (Mobile Software Solutions) Ver.3 designation typically refers to a specific iteration of these drivers designed to support modern connectivity standards like 4G LTE and 5G. Core Functionality
When you connect your phone to a PC via USB, this driver assigns a virtual COM port to the phone's modem. This setup enables data tethering, firmware flashing, and cellular diagnostic operations. What Does the Driver Do? The is a specific Windows software component
: It converts your mobile data infrastructure (4G LTE / 5G) into a hardwired internet connection for your desktop or laptop.