help he 1 version 300 to above

[chitawira]

Hie mate
will someone help using retrofit to unlock he 1 version 300 to above. am able to unlock lower version but failing to unlock these version above.wat to do am stuck, will someone untie me please

[valibuzauro]

use retrofit 423 simlock, write imei

[chitawira]

hie mate
Can you explain in details since the software is in french so i dont understand french ,thanks in advance