New Meizu pro7plus failed to download boot unlock

[MZdeyao]

AUTH info: MTK, version: 1
BROM version[1]: 7.1817.3.0
Loading DA: MTK_AllInOne_DA[oem_v21].bin (8.09 MiB)
version: 3.3001.00.00, 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 to force MediaTek BootROM.
Scanning BootROM or Preloader port... Done.
Detected MediaTek USB Port (COM3)
Connection status: XHCI:HUB3:USB 2.0 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom... failed
Platform: MT6799, Hw ver: 0xCB00, Sw ver: 0x0001
Error: -1073348603 (STATUS_BROM_CMD_FAIL)
BROM_SCMD_SLA error. code 0x7046 (boot_rom.cpp, line:1244)


Meizu pro7plus can't download boot. Is the server not working?

 

[ROOT2019]

Meizu unlock, someone has been using our side has not opened