[ZenFone 2 Q&A, Help & Troubleshooting] waltermaffy:
I tried also with that GPFlags but no solution..

Here the logs, hoping you know the issue

19:00:36 - fwdnx -- C:/Users/walte/Desktop/CLVp_CSAP_FWR_DnX_20.3E.bin

19:00:36 - fwimage -- C:/Users/walte/Desktop/IFWI_v91.15_CSAP_MFG.bin

19:00:36 - osdnx -- C:/Users/walte/Desktop/CLVp_CSAP_OS_DnX_20.3E.bin

19:00:36 - osimage -- C:/Users/walte/Desktop/droidboot.img.POS_sign.bin

19:00:36 - gpflags -- 0x80000245

19:00:36 - XFSTK-LOG--USBSN:--virtual bool CloverviewPlusDownloader::SetDevice(IGenericDevice*)

19:00:36 - Initiating download...

19:00:36 - XFSTK-LOG--USBSN:--virtual bool CloverviewPlusDownloader::UpdateTarget()

19:00:36 - XFSTK-LOG--USBSN:--FWDnxPath -- C:/Users/walte/Desktop/CLVp_CSAP_FWR_DnX_20.3E.bin

19:00:36 - XFSTK-LOG--USBSN:--FWImagePath -- C:/Users/walte/Desktop/IFWI_v91.15_CSAP_MFG.bin

19:00:36 - XFSTK-LOG--USBSN:--SoftfusesPath -- BLANK.bin

19:00:36 - XFSTK-LOG--USBSN:--OSDnxPath -- C:/Users/walte/Desktop/CLVp_CSAP_OS_DnX_20.3E.bin

19:00:36 - XFSTK-LOG--USBSN:--OSImagePath -- C:/Users/walte/Desktop/droidboot.img.POS_sign.bin

19:00:36 - XFSTK-LOG--USBSN:--MiscDnxPath --

19:00:36 - XFSTK-LOG--USBSN:--Gpflags -- 80000245

19:00:36 - XFSTK-LOG--USBSN:--DebugLevel -- ffffffff

19:00:36 - XFSTK-LOG--USBSN:--UsbDelay ms -- 0

19:00:36 - XFSTK-LOG--USBSN:--TransferType -- USB

19:00:36 - XFSTK-LOG--USBSN:--WipeIFWI -- False

19:00:36 - XFSTK-LOG--USBSN:--Idrq -- False

19:00:36 - XFSTK-LOG--USBSN:--Verbose -- True

19:00:36 - XFSTK-LOG--USBSN:--void CloverviewPlusDownloader::Init()

19:00:36 - XFSTK-LOG--USBSN:--Open

19:00:36 - XFSTK-LOG--USBSN:--void CloverviewPlusUtils::SetUsbsn(char*)

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--USB Device found - USBSN: 544065173B9DDE5A Address:2

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--void CloverviewPlusDownloader::do_update(CloverviewPlusOptions*)

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Start

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Sending DnER...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe DnER

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe 0

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Write --->DnER

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOpCode

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--ReadInAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck - DORM(0x4)

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--OS: Handle OS download...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOpCode

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Changing to DLDR_STATE_OS_NORMAL ...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--CheckFile

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--CheckFile

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--_num OS Images : 1

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--_temp_data : 6949

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--OSII: 0 Data Size: 13799936

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--_Temp Data is: 6949 h

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--InitOsipHdr

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Init OSIP header ...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--_After fread osip_hdr

19:00:36 - XFSTK-STATUS--USBSN:544065173B9DDE5A--POS download is in progress ...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--StartOs

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--sending 6 DWORDS of DnxOS size and checksum...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOsDnXHdr

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--C:/Users/walte/Desktop/CLVp_CSAP_OS_DnX_20.3E.bin size:99296 bytes

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe à?

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe 0

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Write --->à?

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--End of StHandleOsNormal

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOpCode

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--ReadInAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck - DXBL(0x4)

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--OS: Sending DnX ...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--OsDXBL

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOsDnX

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--C:/Users/walte/Desktop/CLVp_CSAP_OS_DnX_20.3E.bin size:99296 bytes

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe __BINARY__

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe 0

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Write --->__BINARY__

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--LogProgress

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOpCode

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--ReadInAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck - ROSIP$$$(0x8)

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOsipHdr

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Get OSIP header + Partion Table...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--sending OSIP...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--sending OSIP header + Partion Table...

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe __BINARY__

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--WriteOutPipe 0

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--Write --->__BINARY__

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetOpCode

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--ReadInAck

19:00:36 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck

19:00:41 - XFSTK-LOG--USBSN:544065173B9DDE5A--usb_bulk_read() fails

19:00:41 - XFSTK-LOG--USBSN:544065173B9DDE5A--Windriver Error: 0x20000015, Timeout expired

19:00:46 - XFSTK-LOG--USBSN:544065173B9DDE5A--usb_bulk_read() fails

19:00:46 - XFSTK-LOG--USBSN:544065173B9DDE5A--Windriver Error: 0x20000015, Timeout expired

19:00:51 - XFSTK-LOG--USBSN:544065173B9DDE5A--usb_bulk_read() fails

19:00:51 - XFSTK-LOG--USBSN:544065173B9DDE5A--Windriver Error: 0x20000015, Timeout expired

19:00:56 - XFSTK-LOG--USBSN:544065173B9DDE5A--usb_bulk_read() fails

19:00:56 - XFSTK-LOG--USBSN:544065173B9DDE5A--Windriver Error: 0x20000015, Timeout expired

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--usb_bulk_read() fails

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--Windriver Error: 0x20000015, Timeout expired

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--Device is not responding...

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--GetAck - (0xBAADF00D)

19:01:01 - XFSTK-STATUS--USBSN:544065173B9DDE5A--Unknown Ack code:baadf00d, aborting ...

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--void CloverviewPlusDownloader::do_abort()

19:01:01 - XFSTK-LOG--USBSN:544065173B9DDE5A--Abort

19:01:01 - XFSTK-STATUS--USBSN:544065173B9DDE5A--FAIL

19:01:01 - XFSTK-STATUS--USBSN:544065173B9DDE5A--Errors encounter during OS download. Aborting ...