remove pattern a520f u7 without wipe data a5 2017 password

how the reset pattern SM-A520F / FD code samsung without delete user data

a5 2017 delete only password no delete user data binary 7

frp on/off

version android 8.0

1 . download file in flash by odin or any box supported  flash firmware samsung

download here sboot samsung a520f rev 7 click here

2. after .. enter the samsung a520f in download mode

or flash by the room download here 

3. after flash by the file sboot 2 download here 

4 . after the samsung a520f enter in recovery mode only wipe cache

no wipe data 

5. rebot the samsung

after rebot

the samsung a5 2017 enter without password without delete user data