please help,, when flash an error message appears like this
Firmware package: D6_EDL_eraseNV_0908
Scanning for Qualcomm HS-USB QDLoader 9008 device...
Download Port: Qualcomm HS-USB QDLoader 9008 (COM4)
Connection status: XHCI:HUB3:[#0]:USB 2.00 High-Speed
USB Driver: [Qualcomm Incorporated] qcusbser, version: 2.1.2.7, date: 8-2-2017
Initializing...
MSM Serial number: 0x94fe7f18
MSM HW ID: 0x0006b0e1 (MSM8940), OEM ID: 0x0000 (Qualcomm), MODEL ID: 0x0000
OEM Public Key Hash: 57158eaf1814d78fd2b3105ece4db18a817a08ac664a5782a925f3ff8403d39a
SBL SW version: 0
Firehose: prog_emmc_firehose_8917_ddr.mbn
hash: 24fc60a0cb7bf2871c9c6c5b708e739042c8f620, size: 373.49 KiB
oem version: ubuntu
qc version: BOOT.BF.3.3-00214
variant: LAADANAZA
Loading firehose... Failed to send payload at 0x00002000:0A48!
[SECBOOT] Firehose error: invalid signature
