The release of version 4.1 was a significant update for the software, primarily to keep it functional after changes on the server side. Based on the available information, here are its most notable features:

Before operating the suite, ensure your workstation meets the following hardware and software prerequisites to avoid mid-flash disconnections, which can permanently damage the mobile device. Requirement Specification Windows 7, 8, 10, or 11 (32-bit or 64-bit) Driver Architecture Nokia Connectivity Cable Drivers v7.1.x or later Hardware Interface USB 2.0 Port (Direct connection, avoid USB hubs) Dependencies .NET Framework 4.5 or higher, Visual C++ Redistributable Step-by-Step Installation and Usage Guide

Following this guide enables users to flash stock and custom firmware on their Nokia S40 and S60 devices. RandomRepairs Flashing Guide for Nokia Android Phones - Scribd

The software will automatically detect your device. If not, click on the "Detect Device" button to initiate the process.

Rewrites the device operating system to fix bootloops, software errors, or bricked states.

Nokia Firmware Suite v4.1 is a vital desktop application for servicing legacy Nokia mobile devices. This utility allows users to download official stock firmware files (flash files) directly from backup servers and flash them onto compatible handsets. Whether you need to revive a bricked device, unlock a network, or upgrade/downgrade your operating system, this guide provides everything you need to know. What is Nokia Firmware Suite v4.1?

No, version 4.1 is specifically built for operating system flashing and firmware recovery; it does not bypass network carrier SIM locks.