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.
Surface Dial May Be Unsung Hero of Recent Microsoft Release. The new Surface Studio, Surface Book and Surface Pro were just released to some fanfare, but the unsung hero of the Microsoft (NASDAQ:MSFT) event was probably the Surface Dial. As an accessory, it didnât get a lot of attention, that is until everyone became aware of its capabilities.