I tried new version of GCPro today for samsung J327p unlocking and it failed. I tried on one without root and one with rooted. It shows "success" but still invalid sim card.
Using Version...1.0.0.0056
Selected Model GT-I5503
Selected Task SAMSUNG SPRINT UNLOCK
Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= SM-J327P
Androids Version:= 6.0.1
Description Version:= j3popltespr-user 6.0.1 MMB29M J327PVPU3AQJ3 release-keys
Platform:= msm8937 [ qcom ] [ MSM8917 ]
Baseband:= J327PVPU3AQJ3
VER:= J327PVPU3AQJ3/J327PSPT3AQJ3/J327PVPU3AQJ3/J327PVPU3AQJ3
Carrier := BST_USA
Knox Warranty := Not Void
AP UART Status := Disable.
Security Patch := 01-08-2017
Simstatus:= ABSENT
ANDROID-ID = 50e2d884_0000DC638C
Device is not rooted
SAMSUNG ALL SPRINT UNLOCKING STARTED...
Checking Data...
Waiting for Loader...
Loader Ok...
Type 2a
Direct Unlock Success...
MSL/SPC IS := 145080
No device found Please make sure DIAG PORT is selected..
!!! Success !!!!
Restart Phone Manually if not done auto...
Total Time Take...00:00:25
Log Saved
Using Version...1.0.0.0056
Selected Model GT-I5503
Selected Task SAMSUNG SPRINT UNLOCK
Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= SM-J327P
Androids Version:= 6.0.1
Description Version:= j3popltespr-user 6.0.1 MMB29M J327PVPU3AQJ3 release-keys
Platform:= msm8937 [ qcom ] [ MSM8917 ]
Baseband:= J327PVPU3AQJ3
VER:= J327PVPU3AQJ3/J327PSPT3AQJ3/J327PVPU3AQJ3/J327PVPU3AQJ3
Carrier := BST_USA
Knox Warranty := Not Void
AP UART Status := Disable.
Security Patch := 01-08-2017
Simstatus:= ABSENT
ANDROID-ID = 50e2d884_0000DC638C
Device is not rooted
SAMSUNG ALL SPRINT UNLOCKING STARTED...
Checking Data...
Waiting for Loader...
Loader Ok...
Type 2a
Direct Unlock Success...
MSL/SPC IS := 145080
No device found Please make sure DIAG PORT is selected..
!!! Success !!!!
Restart Phone Manually if not done auto...
Total Time Take...00:00:25
Log Saved