Professional GSM software solution for Android unlocking, FRP bypass, flashing, factory reset, and advanced servicing operations. Explore official activation plans, download the latest setup, and check supported devices.
Pick the activation period that matches your workshop requirements and daily servicing needs.
Best for short-term use, testing workflow, and entry-level activation needs.
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Ideal for regular GSM technicians who want better value and longer working access.
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Perfect long-term option for professional workshops and serious daily servicing work.
View PlanUnlockTool is trusted by GSM professionals worldwide because it combines modern usability, regular updates, and support for major Android brands in one simple software environment.
Unlock Tool supports many Android smartphones and servicing workflows across major manufacturers and platforms.
Always use the latest official setup for best compatibility, better stability, and support for the latest devices.
Stay updated with the latest release notes, supported models, and service improvements.
Major update including Apple activation fix, new TCL MTK models, and Xiaomi 17 series bootloader unlock support.
Explore key resources to download, activate, and start using UnlockTool smoothly.
Get the latest setup and install UnlockTool safely from the official source.
Open Download PageCheck supported devices, chipsets, and compatibility information before servicing.
Open Supported ModelsFollow the activation steps, registration flow, and usage process easily.
Read GuideIf you are a legitimate mechanic, car dealer, or auto electrician needing to adjust odometer readings for legal reasons, here is what you should know:
This is a critical question. The software itself is legal to own and use for legitimate purposes, such as:
However, using Tachosoft to rollback mileage for resale fraud is illegal in the United States (Title 49, U.S. Code § 32703), the EU, and most other jurisdictions. Always generate a repair invoice and log the original mileage before modification to stay compliant with local laws. tachosoft mileage calculator 231 hot
While Tachosoft 231 remains a legend, the market has evolved. If you are a professional, consider:
| Software | Strengths | Weaknesses | | :--- | :--- | :--- | | Digiprog 3 | Standalone hardware, no laptop needed. | Outdated for 2020+ vehicles. | | Smok UTAG | Excellent for newer Mercedes/BMW. | Expensive ($1,000+). | | OBDStar X300 DP | OBD2 direct correction (no disassembly). | Limited to certain models. | | Enigma Tool | Modern successor to Tachosoft. | Requires subscription. | If you are a legitimate mechanic, car dealer,
Legal requirement: You must document the original and new mileage, and in many jurisdictions, attach a correction sticker to the driver’s door jamb.
Despite its powerful backend, the interface of version 2.31 is surprisingly simple: However, using Tachosoft to rollback mileage for resale
While the interface is rudimentary (often resembling software from the Windows 98/XP era), its strength lies in its database:
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