" Creator of this method
@shakalaca (Shaka Huang) "
Its advisable to try this method after trying all other methods you found . (The last method)
Advice : If your phone is still under warranty please visit service centre . This method may result into dead phone .
Applicable devices : zenfone 4,zenfone 5, zenfone 6 ( CG versions)
Condition for applicability :
Only usb logo is showing and user is unable to enter into fastboot/bootloader
First check : press power + volume up button to power on the phone and release(only) power button at time asus logo start showing( still pressing the volume up button )
If you are able to enter into fastboot then this process is not applicable for your case. please don't use this method.
In case after applying first check you are unable to enter fastboot :
check these:
- Battery is charged or not
- Are you pressing right button ??
- Recheck the time to release power button
Still not able to enter into fast boot then apply the below method for entering into droidboot/fastboot .
conclusion: your droidboot got corrupted .
Requirements : Windows 7 pc/laptop (drivers tested on this devices)
SECTION 1
Drivers Required : 1.
iSocUSB-Driver-Setup-1.0.4.exe
2.
xfstk-downloader-setup-1.5.1.exe
instruction : install above driver as per ranking. follow these instruction while installing:
1. Right click on setup
2. Select run as administrator
Note : while installing isoc drive system may ask you to connect your device or restart your device. Don't skip
those steps or it will result into driver not working case. Please allow all things asked by your pc .
Driver Checkpoint: 1. connect your device
2. Wait for windows to install driver automatic . Below picture will pop up
3. Right click on my computer , select "properties ". Go to "device manager". select "intel
soc"
3. when your phone is turned on a USB patterns and connected to the computer there
should be two new devices, are classified under Intel Soc: CloverviewPlus Device and
Intel Soc USB Driver . Picture :
If both are not showing in soc section try restating your computer . Check again still no improvement then :
Driver Required :
IntelAndroidDrvSetup1.5.0.exe
install above driver as per
"instruction "
Necessary Condition for working of tool : Driver Checkpoint condition must be met
SECTION 2
Step 1.1 Download folder as per your model given :
zenfone 4 /
zenfone 5 /
zenfone 6
Check Folder contains these files : dnx.bin , ifwi.bin , dnx_osr.bin , fastboot-2.19.img.pos.bin
Put all files into single folder .
Step 1.2
Confirm the phone has been connected to the computer, which also appeared Device Manager device described above,open
xFSTK DOWNLOADER
After opening note beneath the tabs to switch to the rearmost
CLVP A0 / B0 / B1
Confirm the Device status field which shows Scanning:
CLOVERVIEWPLUS TARGETS DETECTED: 1, if the last place is displayed as
0, make sure that the Device Manager inside It has detected devices.
Step 1.3:
Give proper path to corresponding section :
Fw Dnx : dnx.bin
IFWI : ifwi.bin
OS dnx : dnx_osr.bin
OS image : fastboot.xx.imp.pos.bin
Then press
begin download
After the completion of the phone will automatically reboot if the boot screen becomes Intel inside patterns means you have reached your destination .
Now you can enter into fastboot/booloader/drodboot.There are so many methods given to unbrick, soft bricked phone
Advice: USe Adb method to recover your phone.
Problems detected :
Encountering " Windriver Error: 0x20000015 "
Expected cause : Driver not installed correctly .
Method :
1. uninstall xfstk downloader
2.restart computer
3. right click on xfstk downloader and select option run as administrator .
4. install first then open xftsk as admistrator
5. give path to those files on xftsk as per instruction
6. Press the Start Download button in XFSTK
7. Then connect usb and press power + volume up button .
Still encountering :
Method :
1. open Device Manager (from Windows command prompt, type devmgmt.msc)
2. Find the device (it probably is under Android Devices.)
3. RIght click on the device, choose "Update Driver" and then "Browse My Computer..." and then "Let me
pick from a list of device drivers on my computer."
4. You might have to unclick "Show Compatible Hardware"
5. In the Manufacturer section, pick Google or Intel.
6. Under Model, pick "Android Bootloader Interface."
7. Click Next, and then Ok to Ignore scary warnings.
8. Start xftsk download-er do the required thing
If above links are dead then please go to :
http://www.mediafire.com/folder/7qapfy4zqvxf6#z3i6bncz0beih
For more knowledge visit :
https://github.com/shakalaca/ZenFone-boot-tools
Sorry for my bad English .
Thnaks 
Rishav754
