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.
The Forerunner of the Microsoft Surface RT Tablet: Skype for Windows 8. Windows RT is a more scaled-down version of Windows 8, as many tech writers have noticed in days past. However, Skype is one of the few applications on Windows RT that will also exist on Windows 8 when the Surface Pro tablet is released in early 2013.