Lg Ls777 flash firmware

Hello,
I can't flash backup firmware to ls777

Quote:

2/22/2019 9:15:49 PM: LG 2-3G Tool v9.59 2/22/2019 9:15:49 PM: supported models: 1568 2/22/2019 9:15:49 PM: 2/22/2019 9:22:26 PM: Mode: Emergency 2/22/2019 9:22:26 PM: Model: LS777 2/22/2019 9:22:26 PM: Read info... 2/22/2019 9:22:26 PM: Laf Protocol: 01000005 2/22/2019 9:22:27 PM: Model name: LG-LS777 2/22/2019 9:22:27 PM: Software verion: LS777ZV5 2/22/2019 9:22:27 PM: Android verion: 7.0 2/22/2019 9:22:27 PM: Target operator: SPR 2/22/2019 9:22:27 PM: Target country: US 2/22/2019 9:22:27 PM: Chipset: msm8937 2/22/2019 9:22:27 PM: IMEI: 354234083243946 2/22/2019 9:22:28 PM: Elapsed: 3 secs. --> (v9.59) 2/22/2019 9:22:28 PM: 2/22/2019 9:22:36 PM: Mode: Emergency 2/22/2019 9:22:36 PM: Model: LS777 2/22/2019 9:22:36 PM: Read info... 2/22/2019 9:22:36 PM: Laf Protocol: 01000005 2/22/2019 9:22:38 PM: Model name: LG-LS777 2/22/2019 9:22:38 PM: Software verion: LS777ZV5 2/22/2019 9:22:38 PM: Android verion: 7.0 2/22/2019 9:22:38 PM: Target operator: SPR 2/22/2019 9:22:38 PM: Target country: US 2/22/2019 9:22:38 PM: Chipset: msm8937 2/22/2019 9:22:38 PM: IMEI: 354234083243946 2/22/2019 9:22:38 PM: Elapsed: 3 secs. --> (v9.59) 2/22/2019 9:22:38 PM: 2/22/2019 9:22:38 PM: Phone mode is 2/22/2019 9:22:39 PM: DOWNLOAD 2/22/2019 9:22:39 PM: Start flashing. 2/22/2019 9:22:39 PM: Laf Protocol: 01000005 2/22/2019 9:22:40 PM: Open TOT File : C:\Users\MOHD\Desktop\LS777ZV5_06_Virgin_7.0_defau lt-backup\LS777ZV5_06_Virgin_7.0_default-backup\LS777ZV5_06_Virgin_7.0_default-backup.tot 2/22/2019 9:22:40 PM: Model : LG-LS777 2/22/2019 9:22:40 PM: SwVersion : LS777ZV5 2/22/2019 9:22:40 PM: BuildTime : 2/22/2019 9:22:40 PM: Total Files : 33 2/22/2019 9:22:40 PM: Model name: LG-LS777 2/22/2019 9:22:40 PM: Software verion: LS777ZV5 2/22/2019 9:22:40 PM: Android verion: 7.0 2/22/2019 9:22:40 PM: Target operator: SPR 2/22/2019 9:22:40 PM: Target country: US 2/22/2019 9:22:40 PM: Chipset: msm8937 2/22/2019 9:22:40 PM: IMEI: 354234083243946 2/22/2019 9:22:49 PM: Start direct download mode 2/22/2019 9:22:50 PM: Write "PrimaryGPT" partition #1 of 33 2/22/2019 9:22:51 PM: Laf cmd error: LAF_CMD_WRITE fail[LAF_ERROR_UNKNOWN[80000121]]. 2/22/2019 9:22:52 PM: Direct download error. 2/22/2019 9:22:52 PM: Flashing error. 2/22/2019 9:22:52 PM: Elapsed: 14 secs. --> (v9.59)