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.
This article is about the Microsoft Surface series of devices. For the first tablet in the series, see Surface (2012 tablet). For the digital table, see Microsoft PixelSense. 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.