: Look for a sticker under the battery or on the back of the router/modem.
Legal and carrier considerations
In the world of mobile technology, Huawei has established itself as a leading brand, offering a wide range of innovative devices that cater to diverse user needs. However, one common issue that Huawei users often face is the locked bootloader or network-locked device, which restricts them from using their device with different carriers or installing custom firmware. Fortunately, there is a solution to this problem - the Huawei V4 and V5 Unlock Code Calculator by IMEI.
Generally used for Huawei HiLink and newer 4G modems. It requires a more advanced calculation than the standard "New Algo".