hey guys all you have to do to unlock this model with bit 5 is flash the boot.img from the combination then proceed with the unlock process ( the phone will reset to factory setting after flashing boot.img from combination ) cost 8 credits

Using Version...1.0.0.0067

Selected Model GT-I5510
Selected Task ASK/RPL UNLOCK

Searching ADB device Please wait..

!!! Phone is in offline !!! ACCEPT CONNECT IN PHONE OR RECONNECT...
Device Detected...
SELinux := Permissive
model:= SM-J737T1
SAMSUNG ASK/RPL STARTED...
Device is not rooted
Reading Please Wait..
Please Wait while...
Credits Left := 62
Please wait starting task...
Device Sn := 52005f1ec6e55687
Device Imei := 35586510*********
Factory Ver := J737T1UVS5ASE1
Credits Left:= 54
Please Wait while...
Loader Ok Starting task...

!!! Success !!!!

Restart Phone Manually if not done auto...
Total Time Take...00:00:19