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.
Both have the dark VaporMg coating over the same magnesium body and a 10-point multi-touch enabled 10.6 inches (27 cm) screen with crack resistant Gorilla Glass. The Wifi is 802.11 a/b/g/n. However, the resolution on the Surface Pro is higher and is 1920x1080, and the screen has a Wacom digitizer for pen input. Surface Pro runs a dual-core 1.7 GHz Intel Core i5-3317U CPU, with a Turbo Boost frequency of up to 2.6 GHz with a built-in Intel HD Graphics 4000.