meizu pro 7 plus error

[mahesh_parmar]

AUTH info: MTK, version: 1
BROM version[0]: 7.1917.3.0
DA: MTK_AllInOne_DA[oem_v21].bin
hash: 7e3d2880bd74e71929ccd9ea45c66f7d3e8f9532, size: 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 [BootROM] MediaTek USB Port_V1632 (COM6)
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...
Sending Download Agent...
[SERVER] Error: Undefined phone id, please report this issue to support !
Platform: MT6799_S01, Hw ver: 0xCB00, Sw ver: 0x0001
Secure config: 0xE7
Error: 6004 (S_SECURITY_SLA_FAIL)
[AUTH] Serial link authentication failed
Error: 6004 (S_SECURITY_SLA_FAIL)

 

[mahesh_parmar]