ROM hiếm vivo y31 rom stock by flash tool nv frp file 5.1

Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now...
Detected : PreLoader USB VCOM Port (COM44)
Phone detected...Please wait
Sending DA agent, please wait...
BaseBand CPU :MT6580_S00
BaseBand CPU Secure Version : FF
BaseBand CPU Bootloader Version : 01
----------------------------------------------------
INT RAM: 128 KB SDRAM
EXT RAM: 1 GB DRAM
----------------------------------------------------
EMMC: (116Gb+8192Mb) SAMSUNG 0x463331324d42
EMMC FW VERSION: 06:00:00:00:00:00:00:00
EMMC CID: 15010046333132 : 000000000000000000
EMMC UA SIZE: 0x3a3e00000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x3a4a00000 [14.572 GB]
Detecting high speed port, wait......
If driver not installed, install high speed port driver.
If not need high speed port, disable it.