how to fix imei oppo y5 youth

[binharmani]

Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Using Port:
AUTH info: MTK, version: 1
Boot META MODE...
Hold the VOL UP to force MediaTek BootROM.
Scanning BootROM or Preloader port... Done.
Detected Preloader And Gadget Serial (COM19)
Connection status: XHCI:HUB3:USB 2.0 High-Speed
USB Driver: [MediaTek Inc.] usbser, version: 5.1.2600.0, date: 11-15-2007
Boot META MODE from PreLoader ... Done.
Scanning META port... Done.
META port detected: PreLoader USB VCOM (Android) (COM19)
Boot META MODE successfully.
failed
please help me

 

[binharmani]

Using Port: Preloader And Gadget Serial (COM107)
Device already in META MODE.
Modem info:
BaseBand chip: MT6763
SW time: 2000.00.00
DSP firmware version: 1.0
DSP patch version: MOLY.LR12A.R1.TC16.SP.V7.8.P42
SW version: OPPO6763_C66_N1_HW
HW version: Unknown
Melody version: LWCTG
AP info:
Platform: MT6763,S01
Build version: CPH1725EX_11_A.06_171111
SW version: CPH1725_11_A.06_171111
SW time: Sun Nov 12 01:01:46 CST 2017
HW version: S01
Writing imei...
imei[1]: 352285418418480
imei[2]: 352285418418498
failed