You can also purchase unlocking software that might work when the free software doesn't, but make sure you research it thoroughly so you don't throw away your money.
Ịnwekwara ike ịzụta ngwanrọ nyochapu nke nwere ike ịrụ ọrụ mgbe ngwanrọ free adịghị, kama hụ na ị na-eme nchọpụta nke ọma ka ị ghara ịhapụ ego gị.