KS Tool 4.1 Free Download With Login (Officially Released) NEW 2025
The latest version of KS Tool 4.1 has been officially released, bringing new and improved features for Android flashing, unlocking, and repairing. Whether you are a mobile technician or a user who wants to repair or reset your phone, the KS Tool 4.1 Free Download With Login is a powerful and must-have tool for all Android chipsets including Qualcomm, MediaTek (MTK), and Spreadtrum (SPD).
This updated release enhances compatibility, speed, and stability, making it one of the most trusted mobile repair utilities in the GSM community. Below, we will cover all the essential details, from features and installation to login credentials and download links.
What is KS Tool 4.1?
KS Tool 4.1 is an advanced and professional Android service software used to flash, unlock, and repair Android smartphones. Developed by KS Team, this latest version is designed for Windows PC users and supports multiple brands and chipsets.
It allows you to perform critical repair operations such as FRP removal, IMEI repair, firmware flashing, Auth bypass, pattern unlock, and more. KS Tool has become one of the top utilities in the GSM market due to its easy interface, fast processing, and high success rate.
Key Features of KS Tool 4.1 (Latest Update)
Here’s what makes the new KS Tool 4.1 stand out from older versions and competing tools:
1. Advanced FRP Removal (Google Lock Bypass)
With KS Tool 4.1, you can bypass FRP (Factory Reset Protection) on almost any Android smartphone. It supports Samsung, Xiaomi, Vivo, Oppo, Realme, Tecno, and Infinix devices. The FRP process is automated and fast — no complicated steps or test points needed.
2. Flash Firmware on MTK, Qualcomm, and SPD Devices
The tool supports flashing stock firmware files on all major chipsets, including MediaTek, Qualcomm, and Spreadtrum. You can flash .bin, .img, or .pac files easily using this tool.
3. IMEI Repair and Network Fix
KS Tool 4.1 allows safe IMEI repair and restoration. It helps fix “Invalid IMEI” or “No network” issues on devices, ensuring full network functionality after software updates or resets.
4. Pattern Lock and Screen Lock Removal
Forgot your pattern, PIN, or password? KS Tool 4.1 lets you remove all screen locks instantly without data loss on supported models.
5. Auto Auth Bypass (No Need for Authorized Account)
The Auth Bypass feature lets you flash MTK and Qualcomm devices without requiring a login authorization or Auth account. It saves time and avoids the cost of third-party authorization services.
6. Real-Time Logs and Progress Tracking
The latest version includes a modern interface with real-time operation logs and status tracking. You can view flashing, unlocking, and repair progress directly on the screen.
7. Supports Latest Android Versions
KS Tool 4.1 now supports devices running on Android 13 and Android 14, making it a future-ready tool for the latest smartphones.
8. Multi-Language Interface and Easy Navigation
The interface is clean, lightweight, and multilingual, allowing both beginners and professionals to navigate easily.
Supported Brands and Devices
The KS Tool 4.1 supports a huge list of smartphone brands, including:
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Samsung (FRP, pattern, and firmware flash)
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Xiaomi / Redmi / Poco (EDL and fastboot flashing)
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Oppo / Realme (MTK/Qualcomm unlock and FRP)
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Vivo (Pattern unlock, FRP removal, and repair)
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Infinix / Tecno (MTK flashing and network repair)
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Huawei / Honor (Qualcomm flashing and FRP bypass)
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Nokia, Itel, Micromax, Lava, and other MTK/SPD-based brands
Changelog – What’s New in KS Tool 4.1
The new update brings a series of important improvements and bug fixes:
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Added support for Android 14 devices
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Improved MediaTek flash speed and reliability
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Updated Qualcomm EDL mode detection
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Added new FRP removal methods for Vivo and Oppo
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Optimized user interface and performance
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Fixed bugs in the IMEI repair and Auth bypass modules
How to Install KS Tool 4.1 on Windows PC
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Download KS Tool 4.1 setup file from the official link below.
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Extract the ZIP file using WinRAR or 7-Zip.
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Disable antivirus temporarily to prevent interference.
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Run the setup.exe file as Administrator.
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Complete the on-screen installation process.
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Once installed, open the tool and log in using the default credentials.
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Connect your Android phone via USB and start flashing, unlocking, or repairing.
Why Use KS Tool 4.1?
There are many GSM tools available, but KS Tool 4.1 offers unmatched performance and reliability:
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All-in-one Android repair tool (FRP, Flash, Unlock, Repair)
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Fast and lightweight software
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No need for server authentication
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Regular updates and new model support
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Completely free to download and use
This makes it ideal for mobile repair shops, GSM service engineers, and individual users who want a professional-grade tool without extra costs.
Important Notes
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Always back up important data before flashing or unlocking.
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Disable antivirus during installation.
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Use the latest version for better compatibility.
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Ensure you have proper drivers installed for your device.
KS Tool 4.1 Login Details (Default)
When you launch the tool for the first time, it will ask for login credentials. Use the following:
- Extract with password: kstool
- Username: KS Tool
- Password: 12345