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.
Microsoft Surface. Microsoft Surface is a series of touchscreen Windows personal computers and interactive whiteboards designed and developed by Microsoft. The devices are manufactured by Pegatron and are designed to be premium devices that set examples to Windows OEMs. It comprises four generations of hybrid tablets, 2-in-1 detachable notebooks, a convertible desktop all-in-one, an interactive whiteboard, and various accessories all with unique form factors. With the exception of the first-generation Surface and