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.
I upgraded a Surface Pro 3 from Win 8.1 Pro to Win 10 build 10130 and found that, although IE 11 and Firefox worked properly Edge (Spartan) failed to open any web pages. The Windows Store also would not work. Updates download and install and the system has updated to Build 10162 without any resolution.