You need:
1.
7zip2.
Flashbackup3.
Phone Drivers4.
MonsterpackFollowing this step:
1.Open flashbackup 3,choose write data tab
2.Select flash file,browse the monster pack in format .shx .fsw .fsb etc
3.Turn off the phone,and hold * # and red button together,it will show your boot loader
4.Connect the phone using data cable
5.It will connect as flash neptune and install the driver
6.Click write
4.Congrats,you did itCaution:
Choose a right profile when flashing using flashbackup 3.
Choose e398 original for first time flashing and e398 reflashed to e1 if already upgrade.