unlock samsung s550tl without box z3x octoplus box eft box
only by application
or combination file on5
simple method tested 100/100
1 .
download combination file samsung s550tl any binary click here
2 after flash the samsung on 5 by combination
enter the phone in debugin
3. download to application imei gurus here
4.
after install the application imei gurus
go to EXYNOS
NEW EXY UNLOCk
wait 1 min for unlock to samsung on5
after unlock s550tl done
5.
flash the samsung on5 bya full flash