Update Ktag Clone From 225 To 270 _top_ May 2026

How to Update K-TAG Clone from Firmware 2.25 to 2.70: A Complete Guide

Driver Update:

Install the new KSuite 2.70/2.80 package. It will prompt you to install USB drivers—do not skip this. update ktag clone from 225 to 270

Do not disconnect the tool

The software should automatically initiate a "protocol update" or "family update." during this process, as it may take several minutes depending on your SD card's speed. Finalizing the Setup How to Update K-TAG Clone from Firmware 2

The buffer fills. The checksums match. The clone reads the bootloader. Bridge BOOT0 pin to 3

  1. Bridge BOOT0 pin to 3.3V on the STM32 chip. Use a tiny wire or tweezers.
  2. Connect USB-TTL to PC. Do not power the KTAG via its own 12V yet.
  3. Open Device Manager → Note the COM port number (e.g., COM5).

Warning:

⚠️ Never use KTAG clones with the internet turned on. Even with version 2.70, the software may attempt to ping the official Alientech servers, which will immediately "brick" your device by wiping the NXP processor.

You may re-enable your internet connection if required by your specific software package, though many users keep it off to prevent accidental "locking" of clone devices.

Part 1: Why Update from 2.25 to 2.70?