I9195 unlocked ok still locked

[ 09/01/2016 10:21:00 ] Selected model: GT-I9195
[ 09/01/2016 10:21:00 ] Selected port: COM255 SAMSUNG Mobile USB Serial Port
[ 09/01/2016 10:21:00 ] Software version: 23.9
[ 09/01/2016 10:21:00 ]
[ 09/01/2016 10:21:00 ] Reading phone info…
[ 09/01/2016 10:21:00 ] Reading IMEI… OK
[ 09/01/2016 10:21:00 ] IMEI: xxxxxx
[ 09/01/2016 10:21:00 ] Unlocking… OK
[ 09/01/2016 10:21:00 ] Reseting… OK
[ 09/01/2016 10:21:00 ] Unlock done

After unlock IMEI is OK,the old sim carrier is working but with other sim is asking for unlock code.
First time i encounter this,i made others with no problem.Any advice?