The PUC (PUK) is a SIM-specific code assigned and provided by the service provider. Once you enter the PUK code, you must set a PIN. The PUK and PUK2 are used to unlock the PIN and PIN2 codes respectively if your SIM card is blocked. 1  GSM USSD codes - Unstructured Supplementary Service Data: list of standard GSM codes for network and SIM related functions. ^  Article on PUK.
The Surface Pro is a first generation 2-in-1 detachable of the Microsoft Surface series, designed and manufactured by Microsoft. The device ran a 64-bit version of Windows 8 Pro operating system with a free upgrade possibility to Windows 8.1 Pro, and eventually also Windows 10.
| Topic: Windows 10. Microsoft took the wraps off its Surface Pro 3 successor -- the Surface Pro 4 -- at its Windows 10 devices launch in New York on October 6. Most of us were expecting a new business-tuned model of the Surface Pro, running Windows 10, to be one of the stars of today's device launch.