WHAT IS ENG BOOT:
WHAT IS ENG BOOT: This file helps to enable the ADB mode in Samsung android phones.
This file used for different purposes, like remove FRP of Samsung device,
remove pattern lock of Samsung phone.. and also off the OEM security
Some time phone not properly on, during the flash with the help of the ENG BOOT file, because some files don’t match the version of the device. So be careful or take the backup before any operation.
Smartphone: Galaxy A40
Model Name: SM-A405FM
Firmware Ver: A405FMXXU3ATD1
File Type: ENG Boot
FREE FREE FREE
How to Flash ENG BOOT file:
It’s easy … no need for any technicality just download the SM-A405FM ENG Boot File from downloading link which is given above, Extract it with WinRAR software and place it into the ODIN flash tool. Select the file into the PDA option in ODIN FLASH TOOL, which is shown in the following picture.