Asus Flashtool Installer for Zenfone AsusFlashTool You must have: .RAW firmware (still dont know how to create .raw firmware :) ) Open the ASUS Flash Tool, AFT will automatically detect mobile devices (if not automatically detect, please re-plug the USB cable) Step 2: 1), automatically detect the serial number (for example: DCATCY141082), State representatives connection status bar turns blue. Not connected display. Detected inconsistent with the actual SN possible, but does not affect the refresh firmware. 2), manually select the correct model, there is no drop-down menu, and on behalf of AFT is not supported; model forget if elected, you will be prompted 3), select whether empty user data, Yes on behalf empty, No representative of any default No, please choose according to the actual situation. 4), click on the box icon, select the path to the firmware raw file. 5), click again, you need to update the machine, serial number, and blue State status bar. 6), the start point Start icon ...