always failed when flashing redmi 6a, even with oficial firmware, fisrt try succes now always failed, already try changing device still same problem, try to email support nothing answer. device is on
here log

AUTH info: MTK, version: 1
Firmware package: Disable_Redmi_6_Mi_Account&Frp_File
BROM version[1]: 7.1945.3.0
DA: MTK_AllInOne_DA[0].bin
hash: 19472e1a8df5a6c65368f77651f293b31d720393, size: 1.01 MiB
version: 3.3001.2019/12/12020/07/07 12:34:59, start addr: 0x40000800
Connecting to BootROM...
Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Hold the VOL DOWN or VOL UP + DOWN(for newer model) to force MediaTek BootROM.
Scanning BootROM or Preloader port(30 s)... Done
Detected [BootROM] MediaTek USB Port (COM40)
Connection status: XHCI:HUB3:USB 2.00 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
[SERVER] XIAOMI_FL [cactus,d76c67aa50cc1839] ref id: XF02798186765, cost: 3, your balance: 8
Sending Download Agent...
Error: 0xC0060003 (STATUS_BROM_CMD_SEND_DA_FAIL)
[H/W] Fail to download DA to baseband chip's internal SRAM!
There's a cable communication problem or target might be shutdown unexpectedly or target lost power supply
Platform: MT6765, Hw ver: 0xCA00, Sw ver: 0x0000
Error: 0xC0060003 (STATUS_BROM_CMD_SEND_DA_FAIL)
[H/W] Fail to download DA to baseband chip's internal SRAM!
There's a cable communication problem or target might be shutdown unexpectedly or target lost power supply
(boot_rom.cpp, line:329)
%[
You have used 1 out of 10 slot for today.
You have used 1 available XIAOMI_FL slot for this phone, you have 2 try left to try again in case this task fails.
Please pay attention to the error messages and spesific hints before retry !!!
You are paying for authorization access and NOT the task, there is no refund for failed tasks and tasks with 3 retry
Refunds are only for failed tasks because of server issues, software issues or bugs and unknown problem with no retry !!!
You may retry the task for more times without further authorization as long as you don't unplug the USB cable, change brand or model selection or close the application.
%]
There might be incompability problem with the firmware or loaders, please verify your flash settings.
There is no refund for this case, you may retry after 3 hours
name: MTK_PLATFORM_CFG

here with official rom

name: MTK_PLATFORM_CFG
version: V1.1.2
platform: MT6765
project: cactus
storage: EMMC
bootChannel: MSDC_0
blockSize: 0x00020000
MTK Preloader file info.
Found 11 supported eMMC CID:
[SK Hynix] HBG4a2 90014A48 42473461 32xxxxxx xxxxxxxx
[SK Hynix] hB8aP 90014A68 42386150 3Exxxxxx xxxxxxxx
[SK Hynix] HAG4a2 90014A48 41473461 32xxxxxx xxxxxxxx
[Micron] S0J9B7 13014E53 304A3942 37xxxxxx xxxxxxxx
[Samsung] QE63MB 15010051 4536334D 42xxxxxx xxxxxxxx
[Samsung] GD6BMB 15010047 4436424D 42xxxxxx xxxxxxxx
[Micron] S0J9A7 13014E53 304A3941 37xxxxxx xxxxxxxx
[Samsung] RH64AB 15010052 48363441 42xxxxxx xxxxxxxx
[SK Hynix] HCG8a4 90014A48 43473861 34xxxxxx xxxxxxxx
[Samsung] QD63MB 15010051 4436334D 42xxxxxx xxxxxxxx
[Samsung] GP6BMB 15010047 5036424D 42xxxxxx xxxxxxxx
AUTH info: MTK, version: 1
Firmware package: cactus_global_images_V10.2.7.0.OCBMIXM_20190221.0000.00_8.1_global\images
BROM version[1]: 7.1945.3.0
DA: MTK_AllInOne_DA[0].bin
hash: 19472e1a8df5a6c65368f77651f293b31d720393, size: 1.01 MiB
version: 3.3001.2019/12/12020/07/03 09:00:23, start addr: 0x40000800
Connecting to BootROM...
Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Hold the VOL DOWN or VOL UP + DOWN(for newer model) to force MediaTek BootROM.
Scanning BootROM or Preloader port(30 s)... Done
Detected [BootROM] MediaTek USB Port (COM40)
Connection status: XHCI:HUB3:USB 2.00 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
[SERVER] XIAOMI_FL [cactus,71e5568874456bfd] cost: 0, retry: 3, your balance: 1
Sending Download Agent...
Error: 0xC0060003 (STATUS_BROM_CMD_SEND_DA_FAIL)
[H/W] Fail to download DA to baseband chip's internal SRAM!
There's a cable communication problem or target might be shutdown unexpectedly or target lost power supply
Platform: MT6765, Hw ver: 0xCA00, Sw ver: 0x0000
Error: 0xC0060003 (STATUS_BROM_CMD_SEND_DA_FAIL)
[H/W] Fail to download DA to baseband chip's internal SRAM!
There's a cable communication problem or target might be shutdown unexpectedly or target lost power supply
(boot_rom.cpp, line:329)
%[
You have used 2 out of 10 slot for today.
You have used 2 available XIAOMI_FL slot for this phone, you have 1 FREE slot left to try again in case this task fails.
You are paying for authorization access not the task, there is no refund for failed tasks and tasks with 3 retry
Refunds are only for failed tasks because of server issues, software issues or bugs and unknown problem with no retry !!!
We found that you have used XIAOMI_FL service with this phone before with status FAILED.
Before using another authorization, please check that the phone have a good working hardware and you are using the correct firmware.
You can use this FREE slot before Sat, 01 Aug 2020 09:53:41 GMT.
You may retry the task for more times without further authorization as long as you don't unplug the USB cable, change brand or model selection or close the application.
%]
There might be incompability problem with the firmware or loaders, please verify your flash settings.
There is no refund for this case, you may retry after 3 hours

here log i used credit

20-03-2020 12:05 XF09965434440 XIAOMI_FL cactus bc12a7f3c21616a6.. 3 1 success X450LCP-BSN12345678901234567], 36.68.6.16
02-07-2020 09:36 XF01303126403 XIAOMI_FL cactus 71e5568874456bfd.. 3 3 failed X450LCP-BSN12345678901234567], 125.162.67.200
02-07-2020 16:53 XF00398968303 XIAOMI_FL cactus 71e5568874456bfd.. 3 3 failed X450LCP-BSN12345678901234567], 125.162.67.200
07-07-2020 13:07 XF02798186765 XIAOMI_FL cactus d76c67aa50cc1839.. 3 1 failed X450LCP-BSN12345678901234567], 36.83.191.178