Tecno B1 Pattern/FRP Reset Done By AVB
 

Selected model: Tecno B1
[auto]Action: Reset FRP
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now...
Detected : MediaTek PreLoader USB VCOM_V1632 (Android) (COM7)
Boot mode: Preloader
BBCHIP: 6580 0 ca00
Using Algo 1.
Phone detected...Please wait
Sending DA agent, please wait...
----------------------------------------------------
BaseBand CPU :MT6580
BaseBand CPU Secure Version : FF
BaseBand CPU Bootloader Version : 01
----------------------------------------------------
INT RAM: 128 KB SDRAM
EXT RAM: 1 GB DRAM
----------------------------------------------------
EMMC: (116Gb+8192Mb) SAMSUNG 0x464536324d42
EMMC FW VERSION: 03:00:00:00:00:00:00:00
EMMC CID: 150100464536324D42 : 00000000000000
EMMC UA SIZE: 0x3a3e00000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x3a4a00000 [14.572 GB]
Resetting userdata.
Checking data, wait...

Writing FRP, wait...
FRP Reset Done.
Wait untill phone will start charging.
[0]All done.