KS Tool 4.1 Download (FREE Login)

KS Tool 4.1 is a powerful Windows program now available with free login access for a limited time. Once logged in online, it works fully offline and supports the latest 5G models along with Android 15 and 16 devices. With its improved compatibility and smooth performance, KS Tool 4.1 is a must-have for technicians looking for an easy and reliable mobile service solution.

KS Tool 4.1 Features

Qualcomm Features

Erase FRP (Google Lock)
Format / Factory Reset (Remove Screen Lock)
Disable Mi Account
Unlock Bootloader
Erase Huawei ID
Flash Firmware (rawprogram0.xml)
Read/Write Partitions
Backup / Restore / Erase NV (Network Data)
Reboot to EDL from Fastboot

MediaTek (MTK) Features

Erase FRP (Google Lock)
Format / Factory Reset (Remove Screen Lock)
Disable Mi Account (Bypass)
Unlock / Relock Bootloader
Flash Firmware (Scatter File)
Read / Write / Erase Partitions
Backup / Restore / Erase NV (Network Data)
Repair IMEI
Auth Bypass
OPPO “Download Not Complete” Fix

Fastboot Features

Read Device Info
Flash Firmware (usingflash_all.bat)
Erase FRP
Factory Reset
Fix “System is Destroyed” Error
Fix DM-Verity (DM Fix)
Reboot to different modes (EDL, Recovery, etc.)

ADB & Sideload Features

Read Device Info
Remove FRP
Factory Reset
Disable Mi Account (MIUI 13/14/HyperOS)
Disable OTA Updates (Xiaomi, Vivo, Oppo)
Enable Diag Mode

Samsung Features

Read Info in MTP Mode
Enable ADB (for FRP removal)
Open Browser (YouTube/Maps) in MTP Mode
Factory Reset (MTP Mode)
Enter Download Mode (MTP Mode)

Utilities & Firmware

Driver Installer: One-click install for all needed phone drivers.
Firmware Downloader: Free, tested firmware files for many models from Xiaomi, Oppo, Vivo, and Huawei.