Service is directly from Sony database, the Unlock Code is 99.99% correct unless your IMEI is wrong, your phone is rooted or your phone is refurbished.
All Levels can come back:
SPCK, NCK, NSCK, CCK
Telcel Mexico or any other network provider who delivers his phones with broken GDFS (0 Code Entry Left) or phone which has "too many wrong codes". We have a software solution for those.
MAKE SURE ATTEMPTS ARE AVAILABLE ON PHONE
Switch on your phone without SIM card Compose *#*#7378423#*#*
Select Service Info and then Simlock, If X is with Network and it is not 0,
You can unlock your phone via code.
If X is 0 or 255, your counter is locked and unlocking via IMEI is not possible.
NO REFUND, Given with devices with 0 Attempt. We have a software solution availalbe for these.
Make sure your Sony Xperia are actually ASKING for code and don't have "Device Unlock App" installed on the phone, specially if it's a Sony Xperia Z3 from T-Mobile USA. If you order code for a Sony and claim the phone is not asking for code, we won't provide any refund, it's your responsibility to check before place your order !