Unbrick Asus Zenfone C Z007 Cannot Boot into Droidboot

Unbrick Asus Zenfone C Z007 Cannot Boot into Droidboot

Droidboot like BIOS on Windows computer that allows you to access and set up your android system on Asus Zenfone C (Z007) at the most basic level such as hard reset, recovery, update firmware, wipe data and cache, etc. Suddenly, your device can not boot normally just showing a Asus or Intel logo in very a long time. Can not get into Droidboot using various key combinations.

In many cases the problem occurs due to android system breakdown, can even be caused hardware damage such as eMMC. On this issue I will explain how how to fix Asus Zenfone 4 that can not enter droidboot caused error operating system / software without the replacement of hardware components. If this still fails, there may be hardware damage to your device.

What is needed?

Unbrick Using UFI Android Toolbox

UFI Android Toolbox is powerful software for flashing and fixing damaged EMMC. Unfortunately this software is not free and You have to buy UFI Box or Dongle to be able to use it. For those who have it you can follow the following guidelines.

  1. Turn off the smartphone. Press the Volume Down button then connect to PC using USB Cable.
  2. Ensure CloverviewPlus and Intel Soc USB Driver are detected in your Device Manager Windows PC. More details see the following picture.
    Intel Soc dan CloverviewPlus USB Driver Terdeteksi
  3. Run as administrator UFI Android Toolbox launcher.
  4. Select Intel tab menu, Brand Asus, Platform Intel, Model ASUS_Z007 (ZC451CG), Continue to select ZC451CG_debrick_secure.
    Debrick Asus Zenfone C Z007 Using UFI Android Toolbox
  5. Press Flash button on UFI. Wait for the debrick process to run and and once finished Asus Zenfone C will reboot automatically into Droidboot Mode.
  6. Furthermore, flashing the device using UFI Android Tool Box or Asus Flash Tool. Download firmware Asus Zenfone C if not have.

Unbrick Using Intel XFSTK Downloader

  1. Turn off the smartphone. Press the Volume Down button then connect to PC using USB Cable.
  2. Ensure CloverviewPlus and Intel Soc USB Driver are detected in your Device Manager Windows PC. More details see the following picture.
    Intel Soc dan CloverviewPlus USB Driver Terdeteksi
  3. Run as administrator xFSTK Download launcher.
  4. At the bottom of the xFSTK Downloader interface click the menu tab CLVP A0/B0/B1.
  5. Click OptionsModify SettingsDownload Options.
  6. Check on Enable GP Flag Override then the value column is filled with 0x80000045.
  7. Include SoftUse File click browse button and find out file soft_fuse.sbin file.
  8. Click OK.
    xFSTK Downloader Options
  9. Load file DNX and Image file for debrick like the following picture, if warning message appears "file type must be .bin", rename extension .sbin to be .bin.
    xFSTK Downloader
  10. After that click Begin Download button.
  11. If successful Asus device will reboot into Droidboot. If not reboot into Droidboot, Unplug the battery and then turn it on by pressing Vol Up + Power button.
    Asus Zenfone C Droidboot
  12. Next steps, update firmware the device using Asus Flash Tool. Download firmware Asus Zenfone C if not have.