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Key Tool v7.1 is a lightweight, technician-focused utility for unlocking and servicing mobile devices. It provides one-click Direct Unlock, Read Code and Carrier Relock features plus device info operations and a history/log system to track actions. Built to speed up routine shop workflows, Key Tool makes unlocking common Vortex/FIH models simple and repeatable.


Core features

  • Direct Unlock — quick network unlock for supported models.
  • Read Code — retrieve unlock / service codes where available.
  • Carrier Relock — reapply carrier locks when required.
  • Change CS — change carrier settings (CS) for supported devices.
  • Read Info — pull device identifiers, firmware and build info.
  • History / Logs — audit trail of performed operations for accountability.


Notable supported models (examples)

Key Tool includes fast unlock routines for many Vortex / FIH (factory/OEM) devices, including models such as:
A24, Btab10, CG65, CM62, CMG101, HD55 / HD60L / HD62 / HD65 family, HD67, J24, T10m (and T10m Pro/Plus), V20 / V22 / V22s, Z22 / Z23, ZG55 / ZG65 (Pro / H), ZTab10 — plus expanded FIH device support.

(Check your tool UI for the full model list and exact compatibility.)


How to use (quick steps)

  1. Download the ZIP from a trusted source and extract to C:\.
  2. Run Key Tool.exe as Administrator.
  3. Install drivers if prompted (ADB/USB drivers for your device).
  4. Connect device via USB, enable required mode (ADB/fastboot/diagnostic) as instructed.
  5. Select model / operation (Direct Unlock, Read Code, Carrier Relock, etc.) and follow on-screen prompts.
  6. Check logs/history after the operation to confirm results.


Best practices & safety

  • Always backup user data and important partitions before destructive operations.
  • Use Key Tool only on devices you own or are authorized to service.
  • Avoid altering IMEI/identifiers without explicit legal permission — doing so may be illegal in many jurisdictions.
  • Test on one device first and review logs to validate compatibility.