Firmware package: CSC_ZD551KL_1_2_0_70_fac_eng_20150905_secure(serviceemmc.com)
Scanning for Qualcomm HS-USB QDLoader 9008 device...
Download Port: Qualcomm HS-USB QDLoader 9008 (COM7)
Connection status: EHCI:HUB:HUB:HUB:USB 2.0 High-Speed
USB Driver: [Qualcomm Incorporated] qcusbser, version: 2.1.2.0, date: 7-8-2015
Initializing...
MSM Serial number: 0x01614bc8
Firehose: prog_emmc_firehose_8939.mbn
sha1: 8d6c01b5a40c39a6e38932506185984fdf8fcabe, size: 99.22 KiB
Sending firehose loader... Failed to send payload at 0x00000000:0000!
Please reconnect the battery, reconnect usb cable and try again