Insert an "unacceptable" SIM card (from a different network carrier) into the device.
Option 3: For those comfortable with command-line tools: Download Huawei V4 And V5 Unlock Code Calculator
Huawei V4 and V5 Unlock Code Calculators are specialized tools used to generate network unlocking codes (NCK) for newer Huawei modems and routers manufactured after 2014. Unlike older V1, V2, and V3 algorithms, these newer versions are required for 4G and 5G hardware that uses more advanced security. Key Features and Capabilities V4 & V5 Algorithm Support Insert an "unacceptable" SIM card (from a different
: In some regions, like the US, unlocking devices manufactured after January 2013 may have specific legal restrictions; check your local laws first. and V3 algorithms