If you bought your Mw40v from a specific carrier, you are likely stuck using their SIM card. If you want to switch to a cheaper plan while traveling or simply use a local prepaid SIM, you hit a wall. This is where the enters the conversation.
There are several ways to obtain the NCK (Network Control Key) for your MW40V: Z3x MTK Tool (Offline Calculator) : Some advanced users use tools like the Z3x MTK program Alcatel Mw40v Unlock Code Calculator
: To use these services, you must provide your 15-digit IMEI and the Provider ID (a string of letters and numbers like 4015X-2AGHBT found on the sticker under the battery). If you bought your Mw40v from a specific
, have users who occasionally calculate codes for free if they have the necessary software active. How to Enter the Code Once you have the 10-digit NCK: Insert a non-accepted SIM card from a different network. the device and connect it to your computer. Log in to the Web UI (usually at There are several ways to obtain the NCK