any body can help me with this error
Firmware package: whyred_images_V10.0.1.0.OEICNFH_20180821.0000.00_8.1_cn
Scanning for Qualcomm HS-USB QDLoader 9008 device...
Download Port: Qualcomm HS-USB QDLoader 9008 (COM3)
Connection status: EHCI:HUB:HUB:USB 2.10 High-Speed
USB Driver: [Qualcomm Incorporated] qcusbser, version: 2.1.2.7, date: 8-2-2017
Initializing...
MSM Serial number: 0x7bf2fe1d
MSM HW ID: 0x000cc0e1 (SDM636), OEM ID: 0x0000, MODEL ID: 0x0000
OEM Public Key Hash: a7b8b82545a98eca23d6e9105fb464568d1b5828264903441bdef0cd57e3c370
SBL SW version: 3
Firehose: prog_emmc_firehose_Sdm660_ddr[2].elf
hash: c06450013a4a1d44b84e0e4fbba1ee87eaf494e2, size: 653.67 KiB
oem version: c3-bsp-builder-job004.bj
qc version: BOOT.XF.1.4-00252-S660LZB-1
variant: Sdm660LA
Sending firehose loader... Done
Handshaking...
Sending ping... failed to open port \.\COM3
failed to open port \.\COM3
failed, no acknowledge
