Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now...
Detected : MediaTek PreLoader USB VCOM_V1632 (Android) (COM4)
Boot mode: Preloader
Phone detected...Please wait
BBCHIP: 6739 2 cb00
Using Algo 5.
Helio MT6739 phone detected, swithing to helio api
Helio enabled DRAM in First Da: TRUE
BBCHIP MT6739
[1]Storage EMMC
EMMC FW VERSION: 00:00:00:00:00:00:00:00
EMMC CID: 150100464E3632 : 000000000000000000
EMMC UA SIZE: 0x1d2000000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x1d2880000 [7.290 GB]
Starting helio frp, not disconnect phone untill done
[HELIO]Format partition, please wait...
[0]FRP Reset Done.
[helio]Wait untill phone will start charging.
[0]All done.