Checks the current carrier your device is locked to (Next Tether) and SIM-Lock status. If your device is SIM-Unlocked, then no carrier will be provided. The Find My iPhone status, iCloud status and Warranty information are also included.

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Sample:

Case 1: SIM-Locked
Model: iPhone 6S Space Gray 32GB A-1688 Global NB30
IMEI Number: ###############
Serial Number: ************
Activation Status: Activated
Warranty Status: AppleCare+
Coverage Start Date: 13 Nov 2017
Estimated Purchase Date: 13 Nov 2017
Telephone Technical Support: Active
Technical Support Expiration Date: 12 Nov 2019
Technical Support Expires In: 25 days
Repairs and Service Coverage: Active
Repairs and Service Expiration Date: 12 Nov 2019
Repairs and Service Expires In: 25 days
AppleCare Eligible: No
Valid Purchase Date: Yes
Registered Device: Yes
Replaced Device: No
Loaner Device: No
Find My iPhone: ON
iCloud Status: Clean
Locked Carrier: US Sprint/MVNO Locked Policy
Country: United States
SIMLock Status: Locked

Case 2: SIM-Unlocked
Model: iPhone 6S Plus Rose Gold 64GB A-1687 Global NB30
IMEI Number: ###############
Serial Number: ************
Activation Status: Activated
Warranty Status: Out Of Warranty
Telephone Technical Support: Expired
Repairs and Service Coverage: Expired
Repairs and Service Expiration Date: 20 Nov 2016
AppleCare Eligible: No
Valid Purchase Date: Yes
Registered Device: Yes
Replaced Device: No
Loaner Device: No
Find My iPhone: OFF
Locked Carrier: Unlock.
SIMLock Status: Unlocked