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| Feature | Free/Legal Method | Professional Tool | | :--- | :--- | :--- | | | Use "Test Modes" or "TalkBack exploit" (varies by Android version). | Octoplus Box, Chimera Tool | | Firmware Flash | Odin3 (Official leaked from Samsung) + Frija (to download stock firmware). | Z3X Box (Paid license) | | Network Unlock | Request unlock code from carrier after 60 days (US law). | NCK Pro Box | | IMEI Repair | Not legal in most countries (US, UK, EU). Only authorized repair centers. | Not applicable for consumers. |
Do you have the , or are you looking into digital alternatives?
: Provided the ability to read and write QNC files and Certificates (CERT) for models such as the SM-A7000 , SM-A7009 , and SM-A700FD .
: Capabilities to fix corrupted IMEI numbers and network issues. Certificate Management samsung tool 19.1
: Support for unlocking and IMEI restoration was added for models like the GT-I9060M and SM-J100ML . Network Calibration
Dial *#0808# or *#9090# on the phone's keypad to open the USB settings menu, then select . Connect the phone to the computer. In Samsung Tool 19.1, go to the Unlock tab. Select the appropriate ADB port from the drop-down menu.
: Replaced older versions like 19.1, starting from version 20.5, offering enhanced features like DRK repair and Bluetooth repair. | Feature | Free/Legal Method | Professional Tool
For a professional repair shop in 2026, Samsung Tool 19.1 is obsolete. For a hobbyist with an old Samsung device (e.g., Galaxy S7 or J7), it still works fine.
A with an active activation or a SamsTool Online Subscription . Samsung USB Drivers installed on your PC. USB Debugging enabled on the target Samsung phone. 2. Basic Operation Launch the Z3X Samsung Tool Pro software . Select your exact device model from the list. Connect the device to the computer via a USB cable.
Reset Factory Reset Protection to regain access to a device after a factory reset without the original Google account credentials. | NCK Pro Box | | IMEI Repair
Allows users to read, write, and update the firmware (ROM) on Samsung devices. This is crucial for fixing bootloops, bricked devices, or software corruption.
The software typically operates on Windows and categorizes its functions under communication, crypto, and mobile utilities.
For older models (pre-2019), the tool can remove PINs, passwords, or patterns without data loss by deleting the gatekeeper.password.key and locksettings.db files.
If you are working on a Galaxy S21, S22, S23, S24, or a 2024/2025 A-series phone, do not use Samsung Tool 19.1. Instead, consider:
