samsung factory unlock fail
 

Selected interface: UART
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait...
Found device on COM49
Reading info...
Device model: SM-J510FN
Device IMEI: 3550*******
MSL address: RF8HB0N934
FRP/Reactivation: UNLOCK
Connecting to server..OK
Username: ***********
Authorization..OK
Checking smart card...
Smart card successfully checked.
Checking balance..OK
Your balance: 660 credits.
Sending device information..OK
Processing time is increased to 1-4 working days!
Checking operation...
Operation Check fail!



all time operation check fail after last update plz help

Hello.

Factory Unlock service is currently offline: http://forum.gsmhosting.com/vbb/f684...nline-2178775/